CN108930802A - Sanitation-grade micrometeor intelligent regulating valve - Google Patents

Sanitation-grade micrometeor intelligent regulating valve Download PDF

Info

Publication number
CN108930802A
CN108930802A CN201811112341.2A CN201811112341A CN108930802A CN 108930802 A CN108930802 A CN 108930802A CN 201811112341 A CN201811112341 A CN 201811112341A CN 108930802 A CN108930802 A CN 108930802A
Authority
CN
China
Prior art keywords
cylinder
piston
bracket
piston rod
valve body
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.)
Pending
Application number
CN201811112341.2A
Other languages
Chinese (zh)
Inventor
沈雁飞
张善群
陆华中
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.)
Shanghai Jingyou Fluid Technology Co Ltd
Original Assignee
Shanghai Jingyou Fluid Technology Co Ltd
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 Shanghai Jingyou Fluid Technology Co Ltd filed Critical Shanghai Jingyou Fluid Technology Co Ltd
Priority to CN201811112341.2A priority Critical patent/CN108930802A/en
Publication of CN108930802A publication Critical patent/CN108930802A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1221Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1223Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being acted upon by the circulating fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00Spindle sealings
    • F16K41/02Spindle sealings with stuffing-box ; Sealing rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00Means in valves for absorbing fluid energy
    • F16K47/02Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00Subject matter not provided for in other groups of this subclass
    • F16K99/0001Microvalves
    • F16K99/0003Constructional types of microvalves; Details of the cutting-off member
    • F16K99/0005Lift valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00Subject matter not provided for in other groups of this subclass
    • F16K99/0001Microvalves
    • F16K99/0034Operating means specially adapted for microvalves
    • F16K99/0055Operating means specially adapted for microvalves actuated by fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Valves (AREA)

Abstract

The invention discloses sanitation-grade micrometeor intelligent regulating valves, including locator, cylinder and valve body, the valve body upper inner is provided with bracket, the bracket is connect with valve body by loose joint nut, the pedestal upper end is provided with cylinder, the cylinder upper end is provided with cylinder upper cover, muffler is provided on the left of the cylinder upper cover upper end, stroke location nut is provided in the middle part of the cylinder upper cover lower end, stroke location nut lower end is provided with piston, piston seal is provided between the piston and cylinder inside wall, spring is arranged in the stroke location nut, the piston is provided with piston rod.The regulating valve is provided with automatic compensation sealing component in bracket, it is fabricated to two bracket sealing rings up and down by PTFE material, pass through the mating reaction with elastic component, make it have the effect of bidirectional compensating sealing, increase the service life of sealing, the sealing can be killed two birds with one stone with sealing cylinder with sealed valve body.

Description

Sanitation-grade micrometeor intelligent regulating valve
Technical field
The present invention relates to a kind of regulating valves, specifically sanitation-grade micrometeor intelligent regulating valve.
Background technique
In the automatic control of modern plant, regulating valve is played a very important role, and the production of these factories is depended on It correctly distributes and controls in the medium flowed.These controls either exchange of energy, reduction of pressure is either simple Container charging, requires certain final control elements and goes to complete.
In some special dimensions, need to use micro-flow regulating valve, such as in medical treatment, the conveying of chemical industry medicament and precision liquid The technical fields such as voltage-controlled system.Existing micro-flow regulating valve leakproofness is poor, and leakage rate is big, cannot carry out to the small flow of essence accurate Control.Therefore, those skilled in the art provide sanitation-grade micrometeor intelligent regulating valve, to solve to propose in above-mentioned background technique The problem of.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide sanitation-grade micrometeor intelligent regulating valve Problem.
To achieve the above object, the invention provides the following technical scheme:
Sanitation-grade micrometeor intelligent regulating valve, including locator, cylinder and valve body, the valve body upper inner are provided with bracket, The bracket is connect with valve body by loose joint nut, and the pedestal upper end is provided with cylinder, and the cylinder upper end is provided with cylinder Upper cover, the cylinder upper cover upper end left side are provided with muffler, are provided with stroke location nut in the middle part of the cylinder upper cover lower end, Stroke location nut lower end is provided with piston, and piston seal is provided between the piston and cylinder inside wall, described Spring is arranged in stroke location nut, the piston is provided with piston rod, and the piston rod upper end is arranged in piston, And piston and piston rod junction are provided with piston rod seals, and work is provided on the downside of piston rod seals on the piston rod Stopper rod gasket, the piston-rod lower end extend through cylinder and bracket, and the piston-rod lower end is arranged in valve body, and piston rod Lower end, which is located in valve body, is provided with spool, and the spool lower end is provided with seal spool washer, in seal spool on the spool It is provided with gasket locking lid on the outside of washer, is located on the upside of spool on the piston rod and is provided with method too seal washer, the work Be provided with piston rod bearing sleeve on stopper rod with cylinder junction, be located in bracket on the outside of the piston rod be provided with compensate automatically it is close Sealing assembly.
As a further solution of the present invention: the cylinder upper cover upper end is provided with locator, sets on the left of the locator It is equipped with tracheae, the tracheae lower end is provided with gas-tpe fitting, and the gas-tpe fitting is connected to cylinder.
As further scheme of the invention: being set as feed inlet on the left of the valve body lower portion, the valve body lower portion is right Side is set as discharge port, and the discharge port is connected to valve inner by through-hole.
As further scheme of the invention: the spool lower end is provided with sealing column, and the sealing column lower end passes through Seal spool washer and be arranged in through-hole, the through-hole diameter is identical as sealing column outer diameter.
As further scheme of the invention: the automatic compensation sealing component includes upper bracket sealing ring, lower bracket Sealing ring and elastic component, the elastic component are arranged on the piston rod.
As further scheme of the invention: being set as upper bracket sealing ring, elastic component downside on the upside of the elastic component It is set as lower bracket sealing ring, the upper bracket sealing ring and lower bracket sealing ring are all made of PTFE material and are made.
As further scheme of the invention: the piston upper end face setting is fluted, and the groove is set as round Ring-type, and the lower spring end is arranged in groove.
As further scheme of the invention: the cylinder upper cover side and cylinder junction are provided with snap ring, described Cylinder upper cover side and cylinder junction are provided with upper cover sealing ring on the downside of snap ring.
Compared with prior art, the beneficial effects of the present invention are:
1, the regulating valve is provided with automatic compensation sealing component in bracket, is fabricated to two brackets up and down by PTFE material Sealing ring makes it have the effect of bidirectional compensating sealing by the mating reaction with elastic component, and increase sealing uses the longevity Life, the sealing can be killed two birds with one stone with sealing cylinder with sealed valve body.
2, the setting of muffler is in the regulating valve at work in quiet environment in the regulating valve, and gas is avoided to arrange Noise is generated when gas;It is connected between valve body and bracket by traveling nut, valve body easy to disassemble, is conducive to maintenance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of sanitation-grade micrometeor intelligent regulating valve.
In figure: 1- locator, 2- cylinder upper cover, 3- snap ring, 4- upper cover sealing ring, 5- stroke location nut, 6- spring, 7- Piston, 8- piston seal, 9- cylinder, 10- automatic compensation sealing component, 11- bracket, 12- loose joint nut, 13- valve seal Washer, 14- valve body, 15- muffler, 16- tracheae, 17- piston rod seals, 18- piston rod gasket, 19- piston rod bearing sleeve, 20- gas-tpe fitting, 21- piston rod, 22- spool, 23- gasket locking lid, 24- seal spool washer.Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clearly and completely Description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the embodiment of the present invention, sanitation-grade micrometeor intelligent regulating valve, including locator 1, cylinder 9 and valve Body 14,14 upper inner of valve body are provided with bracket 11, and the bracket 11 is connect with valve body 14 by loose joint nut 12, described 11 upper end of bracket is provided with cylinder 9, and 9 upper end of cylinder is provided with cylinder upper cover 2, setting on the left of 2 upper end of cylinder upper cover There is muffler 15, stroke location nut 5,5 lower end of the stroke location nut setting are provided in the middle part of 2 lower end of cylinder upper cover There is piston 7, piston seal 8 is provided between 9 inner sidewall of the piston 7 and cylinder, is arranged in the stroke location nut 5 Spring 6,7 lower end of piston are provided with piston rod 21, and 21 upper end of piston rod is arranged in piston 7, and piston 7 and piston 21 junction of bar is provided with piston rod seals 17, is provided with piston rod on the downside of piston rod seals 17 on the piston rod 1 Gasket 18,21 lower end of piston rod extend through cylinder 9 and bracket 11, and 21 lower end of piston rod is arranged in valve body 14, And 21 lower end of piston rod is located in valve body 14 and is provided with spool 22,22 lower end of spool is provided with seal spool washer 24, institute It states and is provided with gasket locking lid 23 on spool 22 on the outside of seal spool washer 24, be located on spool 22 on the piston rod 21 Side is provided with method too seal washer 13, and 9 junction of cylinder is provided with piston rod bearing sleeve 19, the work on the piston rod 21 It is located in bracket 11 on the outside of stopper rod 21 and is provided with automatic compensation sealing component 10.
2 upper end of cylinder upper cover is provided with locator 1, and tracheae 16, the tracheae 16 are provided on the left of the locator 1 Lower end is provided with gas-tpe fitting 20, and the gas-tpe fitting 20 is connected to cylinder 9.
14 lower left side of valve body is set as feed inlet, is set as discharge port on the right side of 14 lower part of valve body, and described Discharge port is connected to inside valve body 14 by through-hole.
22 lower end of spool is provided with sealing column, and the sealing column lower end passes through seal spool washer 24 and setting logical In hole, the through-hole diameter is identical as sealing column outer diameter.
The automatic compensation sealing component 10 includes upper bracket sealing ring, lower bracket sealing ring and elastic component, the elasticity Part is set on piston rod 21.
Be set as upper bracket sealing ring on the upside of the elastic component, be set as lower bracket sealing ring on the downside of elastic component, it is described on Bracket sealing ring and lower bracket sealing ring are all made of PTFE material and are made.
7 upper end face of the piston setting is fluted, and the groove is set as circular, and lower spring end setting exists In groove.
2 side of cylinder upper cover and 9 junction of cylinder are provided with snap ring 3, and 2 side of cylinder upper cover and cylinder 9 connect It connects to be on the downside of snap ring 3 and is provided with upper cover sealing ring 4.
The working principle of the invention is:
In the use of the present invention, regulating valve is initially in closed state, regulating valve is connected into gas source first, then by locator 1 The signal source of DC24V power supply and 4-20MA is accessed, gas source is supplied, gas is imported in cylinder 9 by tracheae 16 and gas-tpe fitting 20, Piston 7 is acted on, moves up piston 7 in cylinder 9, so that piston rod 21 be driven to move up, i.e., spool 22 moves up, to make Valve body 14 is connected, and makes flow of media, and at this moment if necessary to adjust medium flow field flux, the electric current of the signal source of 4-20MA is gradually increased Greatly, so that valve opening be made to change from 0-100%;When needing to close regulating valve, it is only necessary to stop supply gas source, gas source After stopping, piston 7 moves down under the action of spring 6, so that so that piston rod 21 is moved down and is moved down with movable valve plug 22 makes Valve body 14 is in closed state, to complete the unlatching and closure of regulating valve;
The regulating valve is provided with automatic compensation sealing component 10 in bracket 11, is fabricated to two branch up and down by PTFE material Frame sealing ring makes it have the effect of bidirectional compensating sealing by the mating reaction with elastic component, and increase sealing uses the longevity Life, the sealing can be killed two birds with one stone with sealing cylinder 9 with sealed valve body 14;The setting of muffler 15 makes the regulating valve in work When making in quiet environment, avoid generating noise when gas exhaust;Pass through traveling nut 12 between valve body 14 and bracket 11 Connection, valve body 14 easy to disassemble are conducive to maintenance.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. sanitation-grade micrometeor intelligent regulating valve, including locator, cylinder and valve body, which is characterized in that in the valve body top Side is provided with bracket, and the bracket is connect with valve body by loose joint nut, and the pedestal upper end is provided with cylinder, on the cylinder End is provided with cylinder upper cover, and muffler is provided on the left of the cylinder upper cover upper end, is provided in the middle part of the cylinder upper cover lower end Stroke location nut, stroke location nut lower end are provided with piston, are provided with work between the piston and cylinder inside wall Plug sealing ring is arranged with spring in the stroke location nut, and the piston is provided with piston rod, the piston rod upper end It is arranged in piston, and piston and piston rod junction are provided with piston rod seals, in piston rod packing on the piston rod Circle downside is provided with piston rod gasket, and the piston-rod lower end extends through cylinder and bracket, and the piston-rod lower end setting exists In valve body, and piston-rod lower end is located in valve body and is provided with spool, and the spool lower end is provided with seal spool washer, the valve Gasket locking lid is provided on core on the outside of seal spool washer, is located on the upside of spool on the piston rod and is provided with Fa Taimi Seal washer is provided with piston rod bearing sleeve on the piston rod with cylinder junction, is located in bracket on the outside of the piston rod and sets It is equipped with automatic compensation sealing component.
2. sanitation-grade micrometeor intelligent regulating valve according to claim 1, which is characterized in that the cylinder upper cover upper end is set Be equipped with locator, be provided with tracheae on the left of the locator, the tracheae lower end is provided with gas-tpe fitting, the gas-tpe fitting with Cylinder connection.
3. sanitation-grade micrometeor intelligent regulating valve according to claim 1, which is characterized in that set on the left of the valve body lower portion It is set to feed inlet, is set as discharge port on the right side of the valve body lower portion, and the discharge port is connected to valve inner by through-hole.
4. sanitation-grade micrometeor intelligent regulating valve according to claim 1 or 3, which is characterized in that the spool lower end is set It is equipped with sealing column, the sealing column lower end passes through seal spool washer and is arranged in through-hole, the through-hole diameter and sealing column Outer diameter is identical.
5. sanitation-grade micrometeor intelligent regulating valve according to claim 1, which is characterized in that the automatic compensation sealing group Part includes upper bracket sealing ring, lower bracket sealing ring and elastic component, and the elastic component is arranged on the piston rod.
6. sanitation-grade micrometeor intelligent regulating valve according to claim 5, which is characterized in that setting on the upside of the elastic component For upper bracket sealing ring, elastic component downside is set as lower bracket sealing ring, and the upper bracket sealing ring and lower bracket sealing ring are equal It is made of PTFE material.
7. sanitation-grade micrometeor intelligent regulating valve according to claim 1, which is characterized in that the piston upper end face is set It is equipped with groove, the groove is set as circular, and the lower spring end is arranged in groove.
8. sanitation-grade micrometeor intelligent regulating valve according to claim 1, which is characterized in that the cylinder upper cover side with Cylinder junction is provided with snap ring, and the cylinder upper cover side and cylinder junction are provided with upper cover sealing ring on the downside of snap ring.
CN201811112341.2A 2018-09-25 2018-09-25 Sanitation-grade micrometeor intelligent regulating valve Pending CN108930802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811112341.2A CN108930802A (en) 2018-09-25 2018-09-25 Sanitation-grade micrometeor intelligent regulating valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811112341.2A CN108930802A (en) 2018-09-25 2018-09-25 Sanitation-grade micrometeor intelligent regulating valve

Publications (1)

Publication Number Publication Date
CN108930802A true CN108930802A (en) 2018-12-04

Family

ID=64443703

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811112341.2A Pending CN108930802A (en) 2018-09-25 2018-09-25 Sanitation-grade micrometeor intelligent regulating valve

Country Status (1)

Country Link
CN (1) CN108930802A (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2517919Y (en) * 2001-12-07 2002-10-23 上海阀特流体控制阀门有限公司 Pneumatic through regulating valve
CN101038037A (en) * 2007-05-15 2007-09-19 重庆川仪十一厂有限公司 Micro-flow regulating valve
CN101201113A (en) * 2007-11-30 2008-06-18 上海宏翔机械制造有限公司 Bi-bit bi-pass piston type multi-medium angle seat valve
CN101377245A (en) * 2008-09-24 2009-03-04 上海宏翔机械制造有限公司 Pneumatic two-position two-way piston type angle seat valve
CN101526139A (en) * 2009-04-14 2009-09-09 贺锐 Anti-explosion type two-position two-way fluid pneumatic control angle-pedestal valve
CN202708090U (en) * 2012-05-31 2013-01-30 青岛海菲勒气控阀门有限公司 Pneumatic angle seat valve
CN103410807A (en) * 2013-09-02 2013-11-27 缪乾 Stroke-adjustable multi-position air cylinder
CN104117463A (en) * 2014-08-06 2014-10-29 浏阳市颐和隆烟花集团有限公司 Automatic dispensing equipment for molded firework outer barrels
CN104390015A (en) * 2014-11-04 2015-03-04 无锡市亚迪流体控制技术有限公司 Small-flow control valve
CN106151531A (en) * 2015-04-03 2016-11-23 无锡鑫华控阀业有限公司 Pottery baiting valve
CN206539710U (en) * 2017-03-02 2017-10-03 浙江永盛科技股份有限公司 A kind of micro-flow regulating valve
CN207437901U (en) * 2017-10-11 2018-06-01 天脊煤化工集团股份有限公司 A kind of device for facilitating on-line maintenance using pneumatic control valve positioning
CN207634731U (en) * 2017-11-17 2018-07-20 无锡鑫华控阀业有限公司 High temperature and pressure difference regulating valve of two-seater
CN208804247U (en) * 2018-09-25 2019-04-30 上海净有流体科技有限公司 Sanitation-grade micrometeor intelligent regulating valve

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2517919Y (en) * 2001-12-07 2002-10-23 上海阀特流体控制阀门有限公司 Pneumatic through regulating valve
CN101038037A (en) * 2007-05-15 2007-09-19 重庆川仪十一厂有限公司 Micro-flow regulating valve
CN101201113A (en) * 2007-11-30 2008-06-18 上海宏翔机械制造有限公司 Bi-bit bi-pass piston type multi-medium angle seat valve
CN101377245A (en) * 2008-09-24 2009-03-04 上海宏翔机械制造有限公司 Pneumatic two-position two-way piston type angle seat valve
CN101526139A (en) * 2009-04-14 2009-09-09 贺锐 Anti-explosion type two-position two-way fluid pneumatic control angle-pedestal valve
CN202708090U (en) * 2012-05-31 2013-01-30 青岛海菲勒气控阀门有限公司 Pneumatic angle seat valve
CN103410807A (en) * 2013-09-02 2013-11-27 缪乾 Stroke-adjustable multi-position air cylinder
CN104117463A (en) * 2014-08-06 2014-10-29 浏阳市颐和隆烟花集团有限公司 Automatic dispensing equipment for molded firework outer barrels
CN104390015A (en) * 2014-11-04 2015-03-04 无锡市亚迪流体控制技术有限公司 Small-flow control valve
CN106151531A (en) * 2015-04-03 2016-11-23 无锡鑫华控阀业有限公司 Pottery baiting valve
CN206539710U (en) * 2017-03-02 2017-10-03 浙江永盛科技股份有限公司 A kind of micro-flow regulating valve
CN207437901U (en) * 2017-10-11 2018-06-01 天脊煤化工集团股份有限公司 A kind of device for facilitating on-line maintenance using pneumatic control valve positioning
CN207634731U (en) * 2017-11-17 2018-07-20 无锡鑫华控阀业有限公司 High temperature and pressure difference regulating valve of two-seater
CN208804247U (en) * 2018-09-25 2019-04-30 上海净有流体科技有限公司 Sanitation-grade micrometeor intelligent regulating valve

Similar Documents

Publication Publication Date Title
CN208804247U (en) Sanitation-grade micrometeor intelligent regulating valve
CN210141367U (en) Close valve that gas tightness is good
CN201377587Y (en) Valve with balanced-type valve core
CN108930802A (en) Sanitation-grade micrometeor intelligent regulating valve
CN103953782A (en) Special pneumatic control valve for chlorine
CN204083341U (en) A kind of ceramic ball valve structure
CN215445101U (en) Be used for powder to carry special butterfly valve of food level
CN207178725U (en) A kind of stop valve leakage preventing mechanism for oil truck emergency cut-off
CN201215209Y (en) Antibiotics valve
CN209430821U (en) A kind of safety-type Fluid valve of novel double-end control
CN203176389U (en) Aseptic stop valve
CN204164414U (en) The soft sealing ball valve that seal ring barb is fixing
CN206257324U (en) A kind of valve for pressure difference
CN204755936U (en) Small dimension stop valve for refrigerating plant
CN220646811U (en) Explosion-proof hot gas shut-off valve
CN205663901U (en) Corrugated tube stop valve of area direction muscle valve clack
CN204784947U (en) Leakage -proof valve
CN205745574U (en) A kind of No leakage pneumatic stopping valve
CN204459235U (en) A kind of sylphon seal cage regulating valve of two-seater
CN208670133U (en) A kind of valve of good seal performance
CN204512449U (en) Thermostat valve
CN211315313U (en) Integrated valve bank valve
CN210566418U (en) Pneumatic piston diaphragm valve
CN208024329U (en) It a kind of oil field is surged needle regulator with well head
CN204327573U (en) A kind of New-type boiler feed water pump shaft seal overcoat

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination