AU2020200555B2 - Proportional Flow Control Valve Poppet With Flow Control Needle - Google Patents

Proportional Flow Control Valve Poppet With Flow Control Needle

Info

Publication number
AU2020200555B2
AU2020200555B2 AU2020200555A AU2020200555A AU2020200555B2 AU 2020200555 B2 AU2020200555 B2 AU 2020200555B2 AU 2020200555 A AU2020200555 A AU 2020200555A AU 2020200555 A AU2020200555 A AU 2020200555A AU 2020200555 B2 AU2020200555 B2 AU 2020200555B2
Authority
AU
Australia
Prior art keywords
poppet
flow control
valve
distal
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.)
Active
Application number
AU2020200555A
Other languages
English (en)
Other versions
AU2020200555A1 (en
Inventor
David M. SOBKA
Kevin C. Williams
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.)
MAC Valves Inc
Original Assignee
MAC Valves Inc
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 MAC Valves Inc filed Critical MAC Valves Inc
Publication of AU2020200555A1 publication Critical patent/AU2020200555A1/en
Application granted granted Critical
Publication of AU2020200555B2 publication Critical patent/AU2020200555B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • F16K31/365—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a diaphragm
    • 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
    • F16K1/02—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 with screw-spindle
    • 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
    • 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
    • F16K1/36—Valve members
    • 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
    • F16K1/36—Valve members
    • F16K1/38—Valve members of conical shape
    • 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
    • F16K1/42—Valve seats
    • 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
    • F16K1/42—Valve seats
    • F16K1/422—Valve seats attachable by a threaded connection to the housing
    • 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
    • F16K1/50—Preventing rotation of valve members
    • 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
    • F16K1/54—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
    • 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
    • F16K25/00—Details relating to contact between valve members and seats
    • 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
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/029—Electromagnetically actuated valves
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
    • 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
    • F16K41/00—Spindle sealings
    • F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
    • 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
    • F16K41/00—Spindle sealings
    • F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
    • F16K41/12—Spindle sealings with diaphragm, e.g. shaped as bellows or tube with approximately flat diaphragm

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lift Valve (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
AU2020200555A 2019-01-28 2020-01-24 Proportional Flow Control Valve Poppet With Flow Control Needle Active AU2020200555B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/258,993 2019-01-28
US16/258,993 US10935153B2 (en) 2019-01-28 2019-01-28 Proportional flow control valve poppet with flow control needle

Publications (2)

Publication Number Publication Date
AU2020200555A1 AU2020200555A1 (en) 2020-08-13
AU2020200555B2 true AU2020200555B2 (en) 2026-01-22

Family

ID=69191976

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020200555A Active AU2020200555B2 (en) 2019-01-28 2020-01-24 Proportional Flow Control Valve Poppet With Flow Control Needle

Country Status (14)

Country Link
US (1) US10935153B2 (enExample)
EP (1) EP3686466B1 (enExample)
JP (1) JP7530720B2 (enExample)
KR (1) KR102859810B1 (enExample)
CN (1) CN111486261B (enExample)
AU (1) AU2020200555B2 (enExample)
BR (1) BR102020001819B1 (enExample)
CA (1) CA3069687A1 (enExample)
ES (1) ES2904944T3 (enExample)
MX (1) MX2020001121A (enExample)
NZ (1) NZ761139A (enExample)
PL (1) PL3686466T3 (enExample)
TW (1) TWI839455B (enExample)
ZA (1) ZA202000525B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112879585B (zh) * 2021-01-11 2022-02-01 宁波方太厨具有限公司 可调式稳流阀及包含其的稳流控制系统
CN113982895B (zh) * 2021-09-13 2024-04-09 西安交通大学 一种高压隔膜压缩机用油气压随动阀及系统
US12085964B2 (en) 2021-12-03 2024-09-10 Goodrich Corporation Smart pressure regulator for emergency evacuation inflation system
EP4190696B1 (en) * 2021-12-03 2025-05-14 Goodrich Corporation Smart pressure regulator for emergency evacuation inflation system
EP4202271B1 (de) * 2021-12-23 2024-09-11 AVS, Ingenieur J.C. Römer GmbH Fluidventil mit einer magnetischen antriebseinheit
EP4206508A1 (en) * 2021-12-28 2023-07-05 MAC Valves, Inc. Proportional flow control valve
US11976734B2 (en) * 2021-12-28 2024-05-07 Mac Valves, Inc. Proportional flow control valve
CN114288517B (zh) * 2021-12-30 2024-07-09 江苏鱼跃医疗设备股份有限公司 流量控制比例阀
JP7455410B2 (ja) * 2022-03-22 2024-03-26 株式会社不二工機 電動弁および電動弁の組立方法
US20250277530A1 (en) * 2024-02-29 2025-09-04 Asco, L.P. Press to specification solenoid valve assembly

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130142675A1 (en) * 2010-08-20 2013-06-06 Ckd Corporation Fluid control device

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB769151A (en) * 1955-05-10 1957-02-27 Walter Smith Improvements in or relating to blow-down valves for boilers
US3985333A (en) 1975-09-02 1976-10-12 Spraying Systems Co. Solenoid valve
JPH03117176U (enExample) * 1990-03-15 1991-12-04
JP3106366B2 (ja) 1991-02-26 2000-11-06 清原 まさ子 流体制御器
DE9218213U1 (de) 1992-10-21 1993-09-23 Deutsche Star Gmbh, 97424 Schweinfurt Ventileinrichtung
DE4300629C1 (de) * 1993-01-13 1994-03-24 Draegerwerk Ag Ventil mit Druckkompensation
CA2121067C (en) 1993-09-27 1997-11-11 William E. Hoehn Valve assembly structure for a fluid stream
JP2000018773A (ja) * 1998-07-02 2000-01-18 Denso Corp 膨張弁
JP2000220757A (ja) * 1999-02-02 2000-08-08 Chiyoda Kucho Kiki Kk 電動式コントロールバルブ
JP3937029B2 (ja) * 1999-03-26 2007-06-27 株式会社鷺宮製作所 電動弁
JP2001263508A (ja) 2000-03-17 2001-09-26 Neriki:Kk ダイヤフラム式バルブ
US7114699B2 (en) * 2001-05-31 2006-10-03 Hull Wendell C Combination valve and regulation for use with pressurized gas cylinders, particularly oxygen cylinders
JP2003021252A (ja) * 2001-07-05 2003-01-24 Smc Corp 流量制御弁
JP2005500484A (ja) * 2001-08-17 2005-01-06 フィッシャー コントロールズ インターナショナル リミテッド ライアビリティー カンパニー 低圧力降下比係数を有する流量制御弁
US6971232B2 (en) * 2003-07-22 2005-12-06 Eaton Corporation Hydraulic drive system and improved control valve assembly therefor
JP5144880B2 (ja) * 2004-10-29 2013-02-13 サーパス工業株式会社 流量調整弁
JP4237781B2 (ja) * 2006-06-29 2009-03-11 シーケーディ株式会社 流量制御弁
EA010728B1 (ru) * 2007-06-27 2008-10-30 Александр Михайлович ДЕРЕВЯГИН Регулирующий клапан для газовых сред
JP5435902B2 (ja) * 2008-07-07 2014-03-05 サーパス工業株式会社 流量調整弁
CN101900213B (zh) * 2010-07-09 2012-01-25 杭州浙大精益机电技术工程有限公司 带有循环的膜片式流量调节阀
JP5647844B2 (ja) * 2010-09-22 2015-01-07 株式会社不二工機 電動弁
JP5875777B2 (ja) * 2011-03-31 2016-03-02 株式会社不二工機 電動弁
WO2014068652A1 (ja) * 2012-10-30 2014-05-08 Smc株式会社 常閉型３ポート弁
JP6119466B2 (ja) * 2013-07-03 2017-04-26 株式会社デンソー 電気式膨張弁
US10295064B2 (en) 2014-03-19 2019-05-21 Zhejiang Sanhua Co., Ltd Electronic expansion valve
MX2015016853A (es) 2015-01-13 2016-07-12 Mac Valves Inc Valvula de control de flujo balanceado, operada por motor de pasos.
CN104676023A (zh) * 2015-02-10 2015-06-03 无锡智能自控工程股份有限公司 高压差微小流量阀芯结构
JP6719960B2 (ja) * 2016-04-27 2020-07-08 サーパス工業株式会社 流量調整装置
EP4206508A1 (en) * 2021-12-28 2023-07-05 MAC Valves, Inc. Proportional flow control valve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130142675A1 (en) * 2010-08-20 2013-06-06 Ckd Corporation Fluid control device

Also Published As

Publication number Publication date
JP7530720B2 (ja) 2024-08-08
MX2020001121A (es) 2020-08-06
BR102020001819A8 (pt) 2020-08-25
TW202041802A (zh) 2020-11-16
BR102020001819A2 (pt) 2020-08-11
ZA202000525B (en) 2021-01-27
BR102020001819B1 (pt) 2022-11-29
EP3686466A1 (en) 2020-07-29
JP2020122572A (ja) 2020-08-13
EP3686466B1 (en) 2021-12-29
US10935153B2 (en) 2021-03-02
US20200240536A1 (en) 2020-07-30
ES2904944T3 (es) 2022-04-06
KR102859810B1 (ko) 2025-09-16
TWI839455B (zh) 2024-04-21
KR20200093473A (ko) 2020-08-05
CA3069687A1 (en) 2020-07-28
AU2020200555A1 (en) 2020-08-13
CN111486261B (zh) 2022-04-19
PL3686466T3 (pl) 2022-05-02
CN111486261A (zh) 2020-08-04
NZ761139A (en) 2022-01-28

Similar Documents

Publication Publication Date Title
AU2020200555B2 (en) Proportional Flow Control Valve Poppet With Flow Control Needle
JP5893619B2 (ja) ステップモータ作動の平衡型流量制御弁
CN1107831C (zh) 流量控制装置
US20130020519A1 (en) Dual piston actuator and method of use
KR101422973B1 (ko) 유체 제어기 및 유량 제어 장치
EP3045788A1 (en) Stepper motor operated balanced flow control valve
US11976734B2 (en) Proportional flow control valve
HK40024939B (en) Proportional flow control valve poppet with flow control needle
HK40024939A (en) Proportional flow control valve poppet with flow control needle
EP4206508A1 (en) Proportional flow control valve
CN218780781U (zh) 一种阀针组件以及一种电子膨胀阀
US20030057658A1 (en) Regulator with segmented body
US20250215998A1 (en) Flow-rate control valve
HK1185136B (en) Stepper motor operated balanced flow control valve