US829755A - Gate-valve. - Google Patents

Gate-valve. Download PDF

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Publication number
US829755A
US829755A US1905264581A US829755A US 829755 A US829755 A US 829755A US 1905264581 A US1905264581 A US 1905264581A US 829755 A US829755 A US 829755A
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United States
Prior art keywords
gate
valve
body portion
gates
bonnet
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.)
Expired - Lifetime
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Inventor
James H Baker
George F Shevlin
Frederick H Baker
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Baker & Shevlin Co
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Baker & Shevlin Co
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Publication date
Application filed by Baker & Shevlin Co filed Critical Baker & Shevlin Co
Priority to US1905264581 priority Critical patent/US829755A/en
Application granted granted Critical
Publication of US829755A publication Critical patent/US829755A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/44—Details of seats or valve members of double-seat valves
    • F16K1/443—Details of seats or valve members of double-seat valves the seats being in series
    • F16K1/446—Details of seats or valve members of double-seat valves the seats being in series with additional cleaning or venting means between the two seats
    • 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
    • Y10T137/5762—With leakage or drip collecting
    • 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
    • Y10T137/87917—Flow path with serial valves and/or closures

Definitions

  • the sulfite-p'ulp In sulfite-pulp mills the sulfite-p'ulp is discharged from the digesters into the blow-pits, and it carries with it a large percentage ofsi1lfuric acid.
  • This acid usually leaks past the closed gate of the valve on the blow-pits or stuff-chests and runs on into the line of piping and into the pumps and therein said acid eats into the metal of the pipes and pumps and causes an expensive and unnecessary wasting away and weakening of the same, besides destroying their useful life; and the object of our invention is to overcome this difficulty.
  • Our invention relates to the gate-valve placed on the blow-pit or sti'iff-chests and which is in the line of pipes betweenthe same and the pumps.
  • This gate-valve may be single or double and when constructed accord ing to our invention comprises means for trapping that part of the acid which leaks past the gate when closed and diverting the same from the piping and pumps.
  • valve comprising a body portion, a flange provided with an intake-nozzle for one side of said body, a bonnet provided with an outlet-nozzle for the other side of said body, a gate or gates, means for operating the same, a trap in the lower portion of the valve-body adjacent to one gate, and means for opening and closing the passages from said trap.
  • Figure 1 is a front elevation of the simpler form of our improved gatevalve
  • Fig. 2 is a side elevation of the same
  • Fig. 3 is a front elevation of the preferred form of our invention
  • Fig. 4 is a side elevation of the same
  • Figs. 5 and 6 are views, respectively, of the opposite sides of the valve-body.
  • Fig. 7 is a central vertical section of the valve-body
  • Fig. 8 is a plan of the same.
  • a designates the valve-body, which is provided with suitable flanges a (L to which are secured, respectively, the frontflange b and the bonnet c.
  • the flange b is provided with an inlet-nozzle 1), adapted to be connected to a blow-pit or stuff-chest, and the bonnet c is provided with an outlet-nozzle 0, preferably circular and adapted to be connected to the pipingleading to the pumps.
  • the gate (1, operated by the gate-stem (P, which passes through the cover e and stuffingbox 6, and when the valve is closed thegate
  • a gateway (1, adapted to receive d .restson the face 2, extending across.
  • the bonnet c is preferably provided with a gateway f, in which a.
  • gate f is. operated by the stem f passing through the cover it and stufiing h.
  • valve-body In the lower part of the valve-body and at I the bottom of the opening therein weprovide a trap or recessed portion t intermediate of the gates and extending across the entire valve-body and terminating in openings 4 5 in the valve-body, and which openings may be interiorly screw-threaded and fitted with cocks or auxiliary valves 6 7, respectively.
  • a gate-valve comprising a body portion, an inlet-nozzle thereon, a gate, a seat in the said body portion for the said gate and a trap also in the said body portion at the side of the said gate opposite the inlet-nozzle and on the other side of the'said seat for trapping and conveying away that part of the liquid which leaks by the gate when closed.
  • a gate-valve comprising a body portion independently operated, gates therein, means for operating said gates, and means intermediate of said gates for trapping and conveying away that part of a liquid which leaks by the gate on the inlet side.
  • a gate-valve comprising a body portion having an opening and gateway therein, a cover, a flange secured to one face of the body portion, a bonnet secured to the other face of said body portion and provided with a gateway, gates located respectively in the gateways in said body portion and bonnet, stems for said gates, and means intermediate of said gates for trapping and conveying away that part of a liquid which leaks by the inlet gate.
  • a gate-valve comprising a body portionhaving an opening and gateway therein, a cover, a flange secured to one face of the body portion, a bonnet secured to the other face of said body portion and provided with a gate- Way, an inlet-nozzle on said flange, an outletnozzle on said bonnet, gates located respectively in the gateways in said body portion and bonnet, stems for said gates, and means intermediate of said gates for trapping and conveying away that part of a liquid which tively in the gateways in said body portion and bonnet, stems for said gates, a trap extending across said body portion mterlnediate of said gates, and means for opening and closing the outlets from said trap.
  • a gate-valve comprising a body portion having an opening and gateway therein, a cover, a flange secured to one face of the body portion, a bonnet secured to the other face of said body portion and provided with a gateway, an inlet-nozzle on said flange, an outlet nozzle on said bonnet, gates located respectively in the gateways in said body portion and bonnet, stems for said gates, a trap eX-' tending across said body portion intermediate of said gates, and cocks secured in the outlets of said trap for opening and closing the same.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)

Description

PATENTED AUG. 28, 1906. J. H. BAKER, G. F. SHEVLIN & F. H. BAKER.
GATE VALVE.
APPLICATION FILED JUNE 10, 1905.
2 SHEETS-SHEET 1.
WIT E55 E5 VTTY 1n: norms PETERS ca. WASHINOTdfV- n. c.
' an Improvement in Gate-Valves, of which.
OFFICE.
JAMES H. BAKER, GEORGE F. SHEVLIN, AND FREDERICK H. BAKER, OF
SARATOGA sPRiNes, NEW YORK. AssioNoRs TO BAKER & SHEVLIN COMPANY, OF SARATOGA sPRlNes, NEW.YORK, A CORPORATION OF NEW YORK.
GATE-VALVE;
Specification of Letters Patentt Patented Au 28, 906.
Application filed June 10, 1905- Serial No- 264.581.
To (Lt/Q whom it may concern.
Be it known that we, JAMES H. BAKER, GEORGE F. Si-IEVLIN, and FREDERIcK H. BAKER, citizens of the United States, residing at Saratoga Springs, in the county of Saratoga and State of New York, have invented the following is a specification.
In sulfite-pulp mills the sulfite-p'ulp is discharged from the digesters into the blow-pits, and it carries with it a large percentage ofsi1lfuric acid. This acid usually leaks past the closed gate of the valve on the blow-pits or stuff-chests and runs on into the line of piping and into the pumps and therein said acid eats into the metal of the pipes and pumps and causes an expensive and unnecessary wasting away and weakening of the same, besides destroying their useful life; and the object of our invention is to overcome this difficulty.
Our invention relates to the gate-valve placed on the blow-pit or sti'iff-chests and which is in the line of pipes betweenthe same and the pumps. This gate-valve may be single or double and when constructed accord ing to our invention comprises means for trapping that part of the acid which leaks past the gate when closed and diverting the same from the piping and pumps.
In carrying out our invention we preferably employ a valve comprising a body portion, a flange provided with an intake-nozzle for one side of said body, a bonnet provided with an outlet-nozzle for the other side of said body, a gate or gates, means for operating the same, a trap in the lower portion of the valve-body adjacent to one gate, and means for opening and closing the passages from said trap.
In the drawings, Figure 1 is a front elevation of the simpler form of our improved gatevalve, and Fig. 2 is a side elevation of the same. Fig. 3 is a front elevation of the preferred form of our invention, and Fig. 4 is a side elevation of the same. Figs. 5 and 6 are views, respectively, of the opposite sides of the valve-body. Fig. 7 is a central vertical section of the valve-body, and Fig. 8 is a plan of the same.
Similar reference characters denote similar parts in the respective figures.
a designates the valve-body, which is provided with suitable flanges a (L to which are secured, respectively, the frontflange b and the bonnet c. The flange b is provided with an inlet-nozzle 1), adapted to be connected to a blow-pit or stuff-chest, and the bonnet c is provided with an outlet-nozzle 0, preferably circular and adapted to be connected to the pipingleading to the pumps.
the gate (1, operated by the gate-stem (P, which passes through the cover e and stuffingbox 6, and when the valve is closed thegate In the valvebody there is a gateway (1, adapted to receive d .restson the face 2, extending across. the
lower portion of the opening in the valve:
body and against its seat 3, surrounding. the
said opening in the valve-body.
As indicated in Fig. 4, the bonnet c ispreferably provided with a gateway f, in which a.
gate f is. operated by the stem f passing through the cover it and stufiing h.
In the lower part of the valve-body and at I the bottom of the opening therein weprovide a trap or recessed portion t intermediate of the gates and extending across the entire valve-body and terminating in openings 4 5 in the valve-body, and which openings may be interiorly screw-threaded and fitted with cocks or auxiliary valves 6 7, respectively.
In the use of our improved valve the cooks 6 and 7 are closed when the gates d f are open and the cooks 6 and 7 open when the valve-gates are closed, whence it will be apparent that any and all acid which may leak by the gate (1 when closed will descend to the trap 'L and from there be conveyed away to a waste or suitable receptacle, and thus be diverted from the pumps and piping leading thereto.
It will also be understood that while we have shown and prefer to employ the doublegate construction we do not limit ourselves to this, structure as it is manifestly within the' an inlet-nozzle thereon, a gate in said body portion and means in said body portion at the side of the said gate opposite the inletnozzle and at the other side of the seat for the said gate for trapping and conveying away that part of the liquid which leaks by the said gate.- 4
2. A gate-valve comprising a body portion, an inlet-nozzle thereon, a gate, a seat in the said body portion for the said gate and a trap also in the said body portion at the side of the said gate opposite the inlet-nozzle and on the other side of the'said seat for trapping and conveying away that part of the liquid which leaks by the gate when closed.
3. A gate-valve comprising a body portion independently operated, gates therein, means for operating said gates, and means intermediate of said gates for trapping and conveying away that part of a liquid which leaks by the gate on the inlet side.
4. A gate-valve comprising a body portion having an opening and gateway therein, a cover, a flange secured to one face of the body portion, a bonnet secured to the other face of said body portion and provided with a gateway, gates located respectively in the gateways in said body portion and bonnet, stems for said gates, and means intermediate of said gates for trapping and conveying away that part of a liquid which leaks by the inlet gate.
5. A gate-valve comprising a body portionhaving an opening and gateway therein, a cover, a flange secured to one face of the body portion, a bonnet secured to the other face of said body portion and provided with a gate- Way, an inlet-nozzle on said flange, an outletnozzle on said bonnet, gates located respectively in the gateways in said body portion and bonnet, stems for said gates, and means intermediate of said gates for trapping and conveying away that part of a liquid which tively in the gateways in said body portion and bonnet, stems for said gates, a trap extending across said body portion mterlnediate of said gates, and means for opening and closing the outlets from said trap.
7. A gate-valve comprising a body portion having an opening and gateway therein, a cover, a flange secured to one face of the body portion, a bonnet secured to the other face of said body portion and provided with a gateway, an inlet-nozzle on said flange, an outlet nozzle on said bonnet, gates located respectively in the gateways in said body portion and bonnet, stems for said gates, a trap eX-' tending across said body portion intermediate of said gates, and cocks secured in the outlets of said trap for opening and closing the same.
Signed by us this 24th day of May, 1905.
JAMES H. BAKER. GEORGE F. SHEVLIN.
. FREDERICK H. BAKER.
Witnesses:
WILLIAM J DELANEY, B. G. FARRINGTON.
US1905264581 1905-06-10 1905-06-10 Gate-valve. Expired - Lifetime US829755A (en)

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