US20040244855A1 - Ball valve of unitary construction - Google Patents

Ball valve of unitary construction Download PDF

Info

Publication number
US20040244855A1
US20040244855A1 US10/890,441 US89044104A US2004244855A1 US 20040244855 A1 US20040244855 A1 US 20040244855A1 US 89044104 A US89044104 A US 89044104A US 2004244855 A1 US2004244855 A1 US 2004244855A1
Authority
US
United States
Prior art keywords
ball
ball valve
valve unit
chamber
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10/890,441
Inventor
Michael Reck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US10/890,441 priority Critical patent/US20040244855A1/en
Publication of US20040244855A1 publication Critical patent/US20040244855A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87877—Single inlet with multiple distinctly valved outlets

Definitions

  • This invention relates generally to ball valves, and more particularly to a ball valve of unitary construction.
  • a ball valve is used in plumbing and heating applications to shut off the flow of water or other fluid during replacement or repair of an in-line appliance or piece of equipment, such as a circulating pump.
  • a ball valve used in a plumbing and heating application includes a separate flange 2 , a conventional ball valve 4 , and a copper nipple 6 and copper adapter 8 that connect the flange 2 to the conventional ball valve 4 .
  • the ball valve 4 is attached to the plumbing or heating system with copper tubing 10 .
  • the in-line appliance (not shown) is attached to the flange 2 .
  • an iron nipple 12 has been used to connect the flange 2 to the ball valve 4
  • a copper adapter 14 has been used to connect the ball valve 4 to the copper tubing 10 , as shown in FIG. 2.
  • the conventional method shown in FIG. 3 includes an iron flange 16 that includes a screwdriver slot ball valve.
  • the flange 16 is connected to a second iron flange 18 .
  • a copper adapter 20 connects the iron flange 18 to copper tubing 10 .
  • the flange 18 is made of iron, there is an area of galvanic action between the iron flange 18 and the copper adapter 20 . Also, there are several potential leak paths. Further, this configuration is complex, which increases the cost and installation time.
  • FIG. 4 shows another conventional configuration.
  • This configuration includes an iron flange 30 connected to a copper tube 32 via a copper adapter 34 .
  • this conventional configuration it is not possible to isolate an in-line appliance, thereby making repair and replacement of the in-line appliance burdensome. Also, there are several potential leak paths. Further, there are areas of galvanic action between the copper adapter 34 and the iron flange 30 .
  • the present invention provides a ball valve unit that reduces the cost and time required to replace in-line appliances such as pumps.
  • the ball valve unit of the present invention in one embodiment, also reduces the number of joints and flanges, thereby reducing the volume of the plumbing system and the number of leakage paths.
  • the present invention in one embodiment, also provides a ball valve unit that prevents the cracking of brittle iron flanges and prevents galvanic action.
  • FIG. 1 shows a first conventional system.
  • FIG. 2 shows a second conventional system.
  • FIG. 3 shows a third conventional system.
  • FIG. 4 shows a fourth conventional system.
  • FIGS. 5A and 5B show cross-sectional views of one embodiment of the ball valve unit of the present invention.
  • FIGS. 6A and 6B show cross-section views of a second embodiment of the ball valve unit of the present invention.
  • FIGS. 7A and 7B show a third embodiment of the ball valve unit of the present invention.
  • FIGS. 8A and 8B show a fourth embodiment of the ball valve unit of the present invention.
  • FIGS. 9A and 9B show a fifth embodiment of the ball valve unit of the present invention.
  • FIGS. 10A and 10B show a sixth embodiment of the ball valve unit of the present invention.
  • FIG. 5A shows a cross-sectional view of one embodiment of the present invention.
  • the single flanged ball valve unit according to the present invention, is designated by reference number 50 . It comprises a handle nut 52 , a washer 54 , a stem 56 , a ball 58 , a body 60 , a handle 62 , a packing gland 64 , seats 66 , and a stem seal 68 .
  • the body 60 comprises a main section 70 and an end cap 72 .
  • the main section 70 includes a chamber 74 adapted to accommodate the ball 58 and seats 66 , a stem hole 76 to receive the stem 56 and stem seal 68 , and a flange 78 to be positioned juxtaposed an inline appliance or equipment, such as a circulating pump (not shown).
  • the ball valve unit 50 preferably, is 600 PSI rated for use with water, oil or gas.
  • the inner diameter of the chamber 74 is substantially equal to the inner diameter of the end cap 72 , thereby maximizing flow through the ball valve unit.
  • FIG. 5B shows a side view of the flange 78 .
  • the main section 70 and flange 78 are of unitary construction and preferably made from cast or hot forged brass. Since plumbing and heating systems typically comprise brass or copper tubing, this prevents the occurrence of electrolysis and galvanic action at the junction of the ball valve unit and the system tubing. Also, brass is a much softer alloy than traditional iron used for the flanges currently on the market that often crack when slightly over tightened.
  • the ball 58 is preferably made of Brass/Hard Chrome Plate and fits between seats 66 , preferably made from Teflon® or PTFE.
  • the ball 58 is actuated with a blow-out proof stem 56 preferably made of Brass (ASTM B124-C37700).
  • the ball 58 is actuated with a handle 62 , preferably made of stamped steel with a vinyl coating.
  • the stem 56 is sealed with a stem seal 68 , preferably made from Teflon® or PTFE, and an adjustable packing gland 64 , preferably Brass (ASTM B124-C37700).
  • a stem seal 68 preferably made from Teflon® or PTFE
  • an adjustable packing gland 64 preferably Brass (ASTM B124-C37700).
  • the end cap 72 preferably Brass (ASTM B124-C37700), is a threaded NPT (National Pipe Thread) connection, a Sweat (copper tubing) connection or a PEX (Cross Link Polyethylene) connection.
  • the end cap 72 can be of varying sizes such as 1 ⁇ 2′′, 3 ⁇ 4′′, 1′′, 11 ⁇ 4′′, 11 ⁇ 2′′ and 2′′.
  • the end cap 72 can be an (NPT) ANSI BI.20.1 threaded end (1 ⁇ 2′′-2′′), an ANSI B16.18 solder end (1 ⁇ 2′′-2′′), or a PEX insert end (1 ⁇ 2′′-1′′).
  • the flange 78 is bolted to, for example, an iron flange that is part of a circulating pump (not shown).
  • a rubber gasket 82 (preferably made of neoprene) forms the seal between the two flanges.
  • the rubber gasket can be part of the flange 78 or the pump.
  • the gasket stops two unlike metals from touching each other, thus eliminating galvanic action.
  • the flange 78 is substantially flat so that it will fit different size appliances.
  • the flange 78 is consistent in size to fit most manufacturers smaller sized circulating pumps.
  • a preferred length and thickness of the flange is 41 ⁇ 8′′ and 3 ⁇ 8′′, respectively.
  • FIG. 6A shows a cross-section of a second embodiment of the ball valve unit of the present invention.
  • the second embodiment is substantially similar to the first embodiment.
  • the second embodiment includes a wing-shaped handle 90 to allow for easy actuation of the valve.
  • FIG. 6B shows a side view of the flange 78 .
  • FIGS. 7A and 7B show a third embodiment of the ball valve unit of the present invention.
  • the ball valve unit 100 includes similar components as the ball valve unit 50 of the first embodiment.
  • the ball valve unit 100 comprises, inter alia, ball valve 102 , main section 104 , handle 106 , end cap 108 , and flange 110 .
  • the ball valve unit 100 includes a drain valve 120 .
  • the drain valve 120 is used to drain the system in the vicinity of the ball valve 102 .
  • the drain valve 120 comprises a ball valve 122 that is actuated by a handle 124 .
  • the ball valve 122 is housed in extension tubing 126 that, in this illustrative embodiment, is fitted to the main section 104 of the ball valve unit 100 .
  • a hose (not shown) can be attached to the extension tubing for draining the system.
  • the extension tubing 126 preferably is made from cast or hot forged brass.
  • FIGS. 8A and 8B show a fourth embodiment of the ball valve unit of the present invention.
  • the fourth embodiment is substantially similar to the third embodiment and includes a wing-shaped handle 200 , as shown in FIGS. 8A and 8B.
  • FIGS. 9A and 9B show a fifth embodiment of the ball valve unit of the present invention.
  • the fifth embodiment is substantially similar to the third embodiment.
  • the drain valve 120 is positioned between the flange 110 and ball valve 102 , as shown in FIGS. 9A and 9B.
  • FIGS. 10A and 10B show a sixth embodiment of the ball valve unit of the present invention.
  • the sixth embodiment is substantially similar to the fifth embodiment and includes a wing-shaped handle 300 .
  • the present invention can be used to quickly and easily replace plumbing components and appliances such as pumps.
  • the appliance can be changed by simply closing the ball valves and loosening bolts in the flanges on each side of the appliance. The appliance will then drop out and a new one can be placed back in, thereby minimizing installation problems.
  • the handle 62 , 90 , 106 , 200 , 300 can be a different type than those shown in FIGS. 5A-10B.
  • the body 60 and main section 70 can be made of any material that reduces galvanic action, for example, copper, PVC, or bronze.
  • a bleeder valve can be used in addition to, or in place of, the drain valve.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
  • Valve Housings (AREA)

Abstract

A ball valve unit for shutting off the flow of fluids flowing in heating and plumbing systems. The ball valve unit includes a ball valve and a main section including a flange formed integrally with the main section. A chamber is formed in the main section for receiving the ball of the ball valve. The main section is made of brass in order to prevent galvanic action between ball valve unit and the heating/plumbing system.

Description

    CROSS REFERENCE TO RELATED APPLICATIONS
  • This patent application is a Continuation of U.S. application Ser. No. 10/698,164 filed Oct. 31, 2003 which is a Continuation of application Ser. No. 10/097,762, filed Mar. 14, 2002, now U.S. Pat. No. 6,655,412, which claims priority from U.S. Provisional Patent Application Ser. No. 60/300,345, filed on Jun. 22, 2001 and U.S. Provisional Patent Application Ser. No. 60/300,622, filed on Jun. 25, 2001, the contents of which are incorporated herein by reference in its entirety.[0001]
    • BACKGROUND
  • This invention relates generally to ball valves, and more particularly to a ball valve of unitary construction. [0002]
  • Traditionally, a ball valve is used in plumbing and heating applications to shut off the flow of water or other fluid during replacement or repair of an in-line appliance or piece of equipment, such as a circulating pump. As shown in FIG. 1, typically, a ball valve used in a plumbing and heating application includes a [0003] separate flange 2, a conventional ball valve 4, and a copper nipple 6 and copper adapter 8 that connect the flange 2 to the conventional ball valve 4. The ball valve 4 is attached to the plumbing or heating system with copper tubing 10. The in-line appliance (not shown) is attached to the flange 2. Alternatively, an iron nipple 12 has been used to connect the flange 2 to the ball valve 4, and a copper adapter 14 has been used to connect the ball valve 4 to the copper tubing 10, as shown in FIG. 2.
  • As shown in FIGS. 1 and 2, in the conventional methods, among other things, there are several potential leak paths. Also, there are areas of galvanic action between dissimilar metals. Further, installation of the flange, the nipples, and the adapters in this type of configuration is time consuming and expensive. [0004]
  • The conventional method shown in FIG. 3 includes an [0005] iron flange 16 that includes a screwdriver slot ball valve. The flange 16 is connected to a second iron flange 18. A copper adapter 20 connects the iron flange 18 to copper tubing 10. In this configuration, since the flange 18 is made of iron, there is an area of galvanic action between the iron flange 18 and the copper adapter 20. Also, there are several potential leak paths. Further, this configuration is complex, which increases the cost and installation time.
  • FIG. 4 shows another conventional configuration. This configuration includes an [0006] iron flange 30 connected to a copper tube 32 via a copper adapter 34. In this conventional configuration, it is not possible to isolate an in-line appliance, thereby making repair and replacement of the in-line appliance burdensome. Also, there are several potential leak paths. Further, there are areas of galvanic action between the copper adapter 34 and the iron flange 30.
    • SUMMARY OF THE INVENTION
  • The present invention provides a ball valve unit that reduces the cost and time required to replace in-line appliances such as pumps. [0007]
  • The ball valve unit of the present invention, in one embodiment, also reduces the number of joints and flanges, thereby reducing the volume of the plumbing system and the number of leakage paths. [0008]
  • Further, the present invention, in one embodiment, also provides a ball valve unit that prevents the cracking of brittle iron flanges and prevents galvanic action.[0009]
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The foregoing and other features and advantages of the present invention will be more fully understood from the following detailed description of illustrative embodiments, taken in conjunction with the accompanying drawings in which: [0010]
  • FIG. 1 shows a first conventional system. [0011]
  • FIG. 2 shows a second conventional system. [0012]
  • FIG. 3 shows a third conventional system. [0013]
  • FIG. 4 shows a fourth conventional system. [0014]
  • FIGS. 5A and 5B show cross-sectional views of one embodiment of the ball valve unit of the present invention. [0015]
  • FIGS. 6A and 6B show cross-section views of a second embodiment of the ball valve unit of the present invention. [0016]
  • FIGS. 7A and 7B show a third embodiment of the ball valve unit of the present invention. [0017]
  • FIGS. 8A and 8B show a fourth embodiment of the ball valve unit of the present invention. [0018]
  • FIGS. 9A and 9B show a fifth embodiment of the ball valve unit of the present invention. [0019]
  • FIGS. 10A and 10B show a sixth embodiment of the ball valve unit of the present invention.[0020]
    • DETAILED DESCRIPTION OF THE INVENTION
  • FIG. 5A shows a cross-sectional view of one embodiment of the present invention. As shown in FIG. 5A, the single flanged ball valve unit, according to the present invention, is designated by [0021] reference number 50. It comprises a handle nut 52, a washer 54, a stem 56, a ball 58, a body 60, a handle 62, a packing gland 64, seats 66, and a stem seal 68. The body 60 comprises a main section 70 and an end cap 72. The main section 70 includes a chamber 74 adapted to accommodate the ball 58 and seats 66, a stem hole 76 to receive the stem 56 and stem seal 68, and a flange 78 to be positioned juxtaposed an inline appliance or equipment, such as a circulating pump (not shown). The ball valve unit 50, preferably, is 600 PSI rated for use with water, oil or gas. The inner diameter of the chamber 74 is substantially equal to the inner diameter of the end cap 72, thereby maximizing flow through the ball valve unit. FIG. 5B shows a side view of the flange 78.
  • The [0022] main section 70 and flange 78 are of unitary construction and preferably made from cast or hot forged brass. Since plumbing and heating systems typically comprise brass or copper tubing, this prevents the occurrence of electrolysis and galvanic action at the junction of the ball valve unit and the system tubing. Also, brass is a much softer alloy than traditional iron used for the flanges currently on the market that often crack when slightly over tightened.
  • The [0023] ball 58 is preferably made of Brass/Hard Chrome Plate and fits between seats 66, preferably made from Teflon® or PTFE. The ball 58 is actuated with a blow-out proof stem 56 preferably made of Brass (ASTM B124-C37700). The ball 58 is actuated with a handle 62, preferably made of stamped steel with a vinyl coating.
  • The [0024] stem 56 is sealed with a stem seal 68, preferably made from Teflon® or PTFE, and an adjustable packing gland 64, preferably Brass (ASTM B124-C37700).
  • The [0025] end cap 72, preferably Brass (ASTM B124-C37700), is a threaded NPT (National Pipe Thread) connection, a Sweat (copper tubing) connection or a PEX (Cross Link Polyethylene) connection. The end cap 72 can be of varying sizes such as ½″, ¾″, 1″, 1¼″, 1½″ and 2″. The end cap 72 can be an (NPT) ANSI BI.20.1 threaded end (½″-2″), an ANSI B16.18 solder end (½″-2″), or a PEX insert end (½″-1″).
  • When the ball valve unit is installed, the [0026] flange 78 is bolted to, for example, an iron flange that is part of a circulating pump (not shown). A rubber gasket 82 (preferably made of neoprene) forms the seal between the two flanges. The rubber gasket can be part of the flange 78 or the pump. The gasket stops two unlike metals from touching each other, thus eliminating galvanic action. Preferably, the flange 78 is substantially flat so that it will fit different size appliances. The flange 78 is consistent in size to fit most manufacturers smaller sized circulating pumps. A preferred length and thickness of the flange is 4⅛″ and ⅜″, respectively.
  • FIG. 6A shows a cross-section of a second embodiment of the ball valve unit of the present invention. The second embodiment is substantially similar to the first embodiment. As shown in FIG. 6A, the second embodiment includes a wing-shaped [0027] handle 90 to allow for easy actuation of the valve. FIG. 6B shows a side view of the flange 78.
  • FIGS. 7A and 7B show a third embodiment of the ball valve unit of the present invention. As shown in FIG. 7A, the [0028] ball valve unit 100 includes similar components as the ball valve unit 50 of the first embodiment. Specifically, the ball valve unit 100 comprises, inter alia, ball valve 102, main section 104, handle 106, end cap 108, and flange 110. In addition, the ball valve unit 100 includes a drain valve 120. The drain valve 120 is used to drain the system in the vicinity of the ball valve 102. The drain valve 120 comprises a ball valve 122 that is actuated by a handle 124. The ball valve 122 is housed in extension tubing 126 that, in this illustrative embodiment, is fitted to the main section 104 of the ball valve unit 100. A hose (not shown) can be attached to the extension tubing for draining the system. The extension tubing 126 preferably is made from cast or hot forged brass.
  • FIGS. 8A and 8B show a fourth embodiment of the ball valve unit of the present invention. The fourth embodiment is substantially similar to the third embodiment and includes a wing-shaped [0029] handle 200, as shown in FIGS. 8A and 8B.
  • FIGS. 9A and 9B show a fifth embodiment of the ball valve unit of the present invention. The fifth embodiment is substantially similar to the third embodiment. In the fifth embodiment, the [0030] drain valve 120 is positioned between the flange 110 and ball valve 102, as shown in FIGS. 9A and 9B.
  • FIGS. 10A and 10B show a sixth embodiment of the ball valve unit of the present invention. The sixth embodiment is substantially similar to the fifth embodiment and includes a wing-shaped [0031] handle 300.
  • The present invention, without the addition of any additional components, can be used to quickly and easily replace plumbing components and appliances such as pumps. The appliance can be changed by simply closing the ball valves and loosening bolts in the flanges on each side of the appliance. The appliance will then drop out and a new one can be placed back in, thereby minimizing installation problems. [0032]
  • Although the invention has been described with respect to various embodiments, it should be realized this invention is also capable of a wide variety of further and other embodiments. For example, the [0033] handle 62, 90, 106, 200, 300 can be a different type than those shown in FIGS. 5A-10B. In addition to brass, the body 60 and main section 70 can be made of any material that reduces galvanic action, for example, copper, PVC, or bronze. Also, in the embodiments shown in FIGS. 7A-10B, a bleeder valve can be used in addition to, or in place of, the drain valve.

Claims (6)

What is claimed is:
1. A ball valve unit comprising:
a ball section, said ball section defining a stem chamber and a ball chamber, said stem chamber disposed adjacent to and extending outwardly from said ball chamber;
a ball valve including a ball, said ball disposed completely within said ball chamber;
a stem disposed within and extending outwardly from said stem chamber and connected to said ball disposed within said ball chamber, an exposed portion of said stem extending beyond said stem chamber;
a handle connected to said exposed portion of said stem disposed within said stem chamber and connected to said ball, wherein actuation of said handle effects actuation of said ball for operating said ball valve unit;
a drain section substantially adjacent to said ball section; and
a drain valve disposed in said drain section.
2. The ball valve unit of claim 1 further including:
a flange formed as a continuous portion of at least one of said drain section and said ball section, said ball section including said stem chamber and said ball chamber, wherein said flange, said drain section and said ball section including said stem chamber and said ball chamber being formed as a single piece formed of a rigid material.
3. The ball valve unit of claim 1, wherein said drain section and said ball section are made of brass.
4. The ball valve unit of claim 1, wherein said handle is wing-shaped.
5. The ball valve unit of claim 1, wherein said drain valve is deposed between said flange and said ball valve.
6. The ball valve unit of claim 1, wherein said drain valve is disposed adjacent to said ball valve and proximate to an end section of an end of said ball valve unit distal to said flange.
US10/890,441 2001-06-22 2004-07-13 Ball valve of unitary construction Abandoned US20040244855A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/890,441 US20040244855A1 (en) 2001-06-22 2004-07-13 Ball valve of unitary construction

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US30034501P 2001-06-22 2001-06-22
US30062201P 2001-06-25 2001-06-25
US10/097,762 US6655412B2 (en) 2001-06-22 2002-03-14 Single flanged end ball valve of unitary construction
US10/698,164 US6779561B2 (en) 2001-06-22 2003-10-31 Single flanged end ball valve of unitary construction
US10/890,441 US20040244855A1 (en) 2001-06-22 2004-07-13 Ball valve of unitary construction

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US10/698,164 Continuation US6779561B2 (en) 2001-06-22 2003-10-31 Single flanged end ball valve of unitary construction

Publications (1)

Publication Number Publication Date
US20040244855A1 true US20040244855A1 (en) 2004-12-09

Family

ID=27378436

Family Applications (3)

Application Number Title Priority Date Filing Date
US10/097,762 Expired - Lifetime US6655412B2 (en) 2001-06-22 2002-03-14 Single flanged end ball valve of unitary construction
US10/698,164 Expired - Lifetime US6779561B2 (en) 2001-06-22 2003-10-31 Single flanged end ball valve of unitary construction
US10/890,441 Abandoned US20040244855A1 (en) 2001-06-22 2004-07-13 Ball valve of unitary construction

Family Applications Before (2)

Application Number Title Priority Date Filing Date
US10/097,762 Expired - Lifetime US6655412B2 (en) 2001-06-22 2002-03-14 Single flanged end ball valve of unitary construction
US10/698,164 Expired - Lifetime US6779561B2 (en) 2001-06-22 2003-10-31 Single flanged end ball valve of unitary construction

Country Status (3)

Country Link
US (3) US6655412B2 (en)
CA (1) CA2451337C (en)
WO (1) WO2003001092A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080258092A1 (en) * 2007-04-20 2008-10-23 Giulio Pettinaroli Valve for Tankless Water Heater
US9157643B2 (en) 2010-10-14 2015-10-13 Fimcim S.P.A. Conditioning plant

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040129913A1 (en) * 2003-01-07 2004-07-08 Leonard William D. Isolation valve with rotatable flange
EP1583919B1 (en) * 2003-01-07 2010-03-10 Itt Manufacturing Enterprises, Inc. Isolation valve with rotatable flange
EP1668281A1 (en) * 2003-09-23 2006-06-14 Webstone Company, Inc. Isolation valve with valve in drain
US20080087340A1 (en) * 2006-01-04 2008-04-17 Reck Michael E Primary/secondary loop purge valve
US20100252129A1 (en) * 2006-01-04 2010-10-07 Jason Lars Olsen Primary/secondary loop adapter
US8316886B2 (en) * 2006-01-04 2012-11-27 Webstone Company, Inc. Near boiler piping apparatus with open drain
US8770223B2 (en) * 2006-01-04 2014-07-08 Webstone Company, Inc. Purge/fill valve with a main valve portion aligned with a tee
US7445025B2 (en) 2006-03-13 2008-11-04 Itt Manufacturing Enterprises, Inc Combination valve
JP2007310986A (en) * 2006-05-19 2007-11-29 Hitachi Global Storage Technologies Netherlands Bv Perpendicular magnetic recording medium and manufacturing method thereof
KR100739656B1 (en) * 2006-06-08 2007-07-13 삼성전자주식회사 Manufacturing Method of Semiconductor Device
US9080674B1 (en) 2013-02-19 2015-07-14 Ronald Lehman Freeze tolerant ball valve
US10302233B2 (en) 2015-06-12 2019-05-28 Nibco Inc. Temperature and pressure gauge adaptors
US11333283B2 (en) * 2018-08-17 2022-05-17 Keeney Holdings Llc No-crimp valve assembly
US20220196166A1 (en) * 2020-12-18 2022-06-23 Nibco Inc. L-ball union drain valve
US11913569B1 (en) 2022-09-27 2024-02-27 Nibco Inc. Serviceable ball check valve
US11898643B1 (en) 2022-12-28 2024-02-13 Nibco Inc. Dual union ball drain valve with T-flow adjustability
US12140236B2 (en) 2023-02-08 2024-11-12 Nibco Inc. Dual union drain valve with reversible check inserts

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1350362A (en) * 1919-10-30 1920-08-24 Edward A Kern Stop and waste cock
US3473554A (en) * 1967-01-16 1969-10-21 Orbit Valve Co Grooved valve seat for block and bleed valves
US3591131A (en) * 1966-08-01 1971-07-06 Union Tank Car Co Railroad tank car ball valve
US3674052A (en) * 1970-01-12 1972-07-04 Stile Craft Mfg Inc Ball valve
US3770016A (en) * 1971-11-26 1973-11-06 Crane Canada Ltd Valve assembly with automatic draining feature
US4089345A (en) * 1976-09-08 1978-05-16 Hale Fire Pump Company Discharge valve
US4103868A (en) * 1976-12-29 1978-08-01 Elkhart Brass Manufacturing Co., Inc. Ball valve having an improved ball element design
US4206904A (en) * 1978-01-13 1980-06-10 Nyson Group Marketing, Ltd. Ball valve
US4342444A (en) * 1980-10-14 1982-08-03 Xomox Corporation Ball valve assembly
US4718444A (en) * 1986-12-04 1988-01-12 Kf Industries, Inc. Valve seat retraction method and apparatus
US5467796A (en) * 1995-03-24 1995-11-21 Hydronic Components, Inc. Ball valve with a strainer and integrated means for flushing the strainer
US5551479A (en) * 1994-10-05 1996-09-03 Graves; John G. Combination ball and check valve
US5632300A (en) * 1993-08-18 1997-05-27 Steamsphere Inc. Steam trap
US5857717A (en) * 1997-05-09 1999-01-12 Caffrey; James L. Plumbing device and method
US6148845A (en) * 1998-04-06 2000-11-21 Gestra Gmbh Valve housing with a connecting part and a cap
US6296229B1 (en) * 1999-04-26 2001-10-02 Giacomini S.P.A. Metal ball valves for gas
US6474363B1 (en) * 2001-03-30 2002-11-05 Perry Stephenson Coupler and valve assembly

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1350362A (en) * 1919-10-30 1920-08-24 Edward A Kern Stop and waste cock
US3591131A (en) * 1966-08-01 1971-07-06 Union Tank Car Co Railroad tank car ball valve
US3473554A (en) * 1967-01-16 1969-10-21 Orbit Valve Co Grooved valve seat for block and bleed valves
US3674052A (en) * 1970-01-12 1972-07-04 Stile Craft Mfg Inc Ball valve
US3770016A (en) * 1971-11-26 1973-11-06 Crane Canada Ltd Valve assembly with automatic draining feature
US4089345A (en) * 1976-09-08 1978-05-16 Hale Fire Pump Company Discharge valve
US4103868A (en) * 1976-12-29 1978-08-01 Elkhart Brass Manufacturing Co., Inc. Ball valve having an improved ball element design
US4206904A (en) * 1978-01-13 1980-06-10 Nyson Group Marketing, Ltd. Ball valve
US4342444A (en) * 1980-10-14 1982-08-03 Xomox Corporation Ball valve assembly
US4718444A (en) * 1986-12-04 1988-01-12 Kf Industries, Inc. Valve seat retraction method and apparatus
US5632300A (en) * 1993-08-18 1997-05-27 Steamsphere Inc. Steam trap
US5551479A (en) * 1994-10-05 1996-09-03 Graves; John G. Combination ball and check valve
US5467796A (en) * 1995-03-24 1995-11-21 Hydronic Components, Inc. Ball valve with a strainer and integrated means for flushing the strainer
US5857717A (en) * 1997-05-09 1999-01-12 Caffrey; James L. Plumbing device and method
US6148845A (en) * 1998-04-06 2000-11-21 Gestra Gmbh Valve housing with a connecting part and a cap
US6296229B1 (en) * 1999-04-26 2001-10-02 Giacomini S.P.A. Metal ball valves for gas
US6474363B1 (en) * 2001-03-30 2002-11-05 Perry Stephenson Coupler and valve assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080258092A1 (en) * 2007-04-20 2008-10-23 Giulio Pettinaroli Valve for Tankless Water Heater
US7762280B2 (en) 2007-04-20 2010-07-27 Jomar International Ltd. Valve for tankless water heater
US20110062367A1 (en) * 2007-04-20 2011-03-17 Jomar International Ltd. Valve for Tankless Water Heater
US9157643B2 (en) 2010-10-14 2015-10-13 Fimcim S.P.A. Conditioning plant
US9506662B2 (en) 2010-10-14 2016-11-29 Fimcim S.P.A. Conditioning plant

Also Published As

Publication number Publication date
CA2451337C (en) 2008-05-13
CA2451337A1 (en) 2003-01-03
US20040089356A1 (en) 2004-05-13
US6655412B2 (en) 2003-12-02
US6779561B2 (en) 2004-08-24
US20020195153A1 (en) 2002-12-26
WO2003001092A1 (en) 2003-01-03

Similar Documents

Publication Publication Date Title
US6779561B2 (en) Single flanged end ball valve of unitary construction
US7857002B2 (en) Method for isolating an appliance in a plumbing system
US7681596B2 (en) Isolation valve with valve in drain
US7789106B2 (en) Hot water fluid isolation valve
US6325090B1 (en) Backflow preventer assembly
US20220196166A1 (en) L-ball union drain valve
US11359729B1 (en) 3-way T-flow ball drain valve
US12209757B2 (en) Expansion tank service valve assembly
CA3110959C (en) Dielectric union ball valve
US6874753B2 (en) Refrigeration modulating valve sealing device
US7168450B2 (en) Valve adapter
US11725747B1 (en) Water arrestor valve assembly
US12140236B2 (en) Dual union drain valve with reversible check inserts
US12203566B2 (en) Isolation service valve assembly for motorized zone valves
US20240264614A1 (en) Water pressure regulator assembly
NZ764223A (en) Check valve assembly
AU2020202987A1 (en) Check valve assembly
RU2155903C1 (en) Ball cock
US20060226391A1 (en) Water valve with expanding fittings
WO2001025658A1 (en) A valve for pipelines for transporting fluids
GB2476129A (en) Drain off valve

Legal Events

Date Code Title Description
STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION