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ptfe lined check valve

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PTFE Lined Check Valve/PCTFE Lined Check Valve

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:Manual

Details: Complete and huge selection of PTFE Lined Check Valve/PCTFE Lined Check Valve online.Liner available:PTFE,PCTFE,PVDF,FE,PFA,FEP...

Million Best International Mechanical (Shanghai) Co., Ltd.

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China (Mainland)China (Mainland)

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Teflon Check Valve (PTFE Check Valve,PFA Lined Valve)

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Brand Name:MBIM

Details: Teflon Check Valve (PTFE Check Valve,PFA Lined Valve) A highly cost effective alternative to valves.lining materials PTFE,FEP,PF...

Million Best International Mechanical (Shanghai) Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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PTFE lined Ball check valve

Model / Specifications:BCV-1

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Vertical Mounting

Details: PTFE lined Ball check valve PFA lined Ball check valve FEP lined Ball check valve TEFLON lined Ball check valve...

POLYCOAT FLOWCHEM PVT LTD

Business Type:Manufacturers

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IndiaIndia

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PTFE lined floating-ball type check valve

Model / Specifications:H42F4-150LB

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:

Details: PTFE lined check valve...

Zhejiang Youfumi Valve Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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PTFE Lined check valve

Price Range:US $1 - 10,000 / Carton

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:

Details: 1,Norminal diameter of swing check valve:DN15-500mm 2,Norminal pressure of swing check valve:0.6-2.5MPa...

Zhejiang Youfumi Valve Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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PTFE lined check valve

Model / Specifications:H44F46-10C/16C

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Material:Stainless Steel

Details: Lined check valve possess good appearance, long service life and flexible switch ....

Yongjia Zhongxing Valve Technology Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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PTFE lined Rising stem gate valve

Model / Specifications:Z41F4-150LB

Standard or Nonstandard:Standard

Structure:Gate

Pressure:Low Pressure

Power:

Details: PTFE lined check valve...

Zhejiang Youfumi Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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PTFE Lined check valve

Model / Specifications:H44F4

Details: Size:15~350mm, 1/2"~14" Pressure:PN10~25, 150#~300 Design:API, ASME B16.34 Face to face: ANSI B16.10 Testing: API 598 Body material: WCB, SS304, D...

YFM Valve Co.,Ltd

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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check valve PFA/PTFE lined

Model / Specifications:H42F46-10C

Price Range:US $1 - 1,000 / Piece

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:Manual

Details: check valve pfa/ptfe lined type:H42F46-10C standard:GB,ANSI,JIS,DIN body:wcb,stainless steel. lined:PFA/PTFE...Place of Origin: CN;ZHE

Flyer Hardware Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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PTFE-lined Spring Load Check Valve

Model / Specifications:H71F46

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:Manual

Details: PTFE-lined Spring Load Check Valve Specifications: 1)Material:WCB Lined PTFE 2)Size rating:NPS 2 ~24 3)Working Pressure:Class 150 Lb, JIS 10K 4)D...

Guangzhou JOTO Valve & Pump Industry Co., Ltd

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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stainless steel PTFE in-lined check valve

Standard or Nonstandard:Standard

Structure:Check

Pressure:1.0Mpa 1.6Mpa

Power:handwheel gear electric actuator

Details: Design and manufacture are in accordance with national standardBasic structure type: swing type and through way liftNominal pressure: 1.0Mpa, 1.6M...

Mingzhu Valve Group Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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PTFE Lined Wafer Check Valve

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:

Details: available inventory,on-time delivery,competitive prices,quality product,rapid response....

Zhejiang Youfumi Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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FEP Lined Check Valve/PFA Lined Check Valve

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:Manual

Details: Complete and huge selection of FEP Lined Check Valve/PFA Lined Check Valve online.Liner available:PTFE,PCTFE,PVDF,FE,PFA,FEP...

Million Best International Mechanical (Shanghai) Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

PTFE Lined Ball Type Check Valve

Price Range:US $1 - 100,000 / Case

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:

Details: Products/Services: PTFE lined valve,PTFE lined pipe,PTFE lined pipe fitting,PTFE lined pump,PTFE products

Zhejiang Youfumi Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

PTFE lined swing check valve

Model / Specifications:H74F4-150LB

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:

Details: PTFE lined check glass...

Zhejiang Youfumi Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Double disc lined check valve

Model / Specifications:H76F46-10C16C

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Material:Stainless Steel

Details: Lined check valve ,double disc,PTFE,FEP,PFA lined,WCB and steel body...

Yongjia Zhongxing Valve Technology Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Lined Check Valve (Check Valve,Teflon Lined Valve)

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:Manual

Details: Lined Check Valve(Check Valve,Teflon Lined Valve) A highly cost effective alternative to valves.lining materials PTFE,FEP,PFA...

Million Best International Mechanical (Shanghai) Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Manual lining fluorine check Valve

Model / Specifications:H76F46-10C16C

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:HandwheelPneumatic or Electric Gear

Details: lined check valve ,double disc,PTFE,FEP,PFA lined,WCB and steel body...Place of Origin: CN;ZHE

Yongjia Zhongxing Valve Technology Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

PTFE lined wafer swing check valve

Model / Specifications:H74F4-150LB

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:

Details: PTFE lined check glass...

Zhejiang Youfumi Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Fluorine Lining Swing Check Valve

Model / Specifications:H44F46

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:Manual

Details: Fluorine Lining Swing Check Valve Specifications: 1)Material:WCB Lined PTFE 2)Size rating:NPS 1/2 ~12 3)Working Pressure:Class 150 Lb, JIS 10K 4...

Guangzhou JOTO Valve & Pump Industry Co., Ltd

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

PTFE/PFA/FEP Lined Ball Check Valve

Model / Specifications:H40

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:

Details: DOXI VALVE Lined Ball Check ValveThe DOXI Ball Check Valves are developed for use on fluids compatible with the corrosive resistant of virgin PFA....

Xuanda Industrial Group Doxi Valve Co., Ltd

Business Type:Manufacturers

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Free Member

China (Mainland)China (Mainland)

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Wafer Type PTFE/PFA/FEP Lined Swing Check Valve

Model / Specifications:H71

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:

Details: DOXI VALVE Lined Swing Check ValveThe DOXI Swing Check Valves are ideal for use in highly corrosive applications due to the universal chemical res...

Xuanda Industrial Group Doxi Valve Co., Ltd

Business Type:Manufacturers

Certificate IconCertificate Icon

Free Member

China (Mainland)China (Mainland)

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PVDF Lined Check Valve

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:Manual

Details: Complete and huge selection of PVDF Lined Check Valve online.Liner available:PTFE,PCTFE,PVDF,FE,PFA,FEP...

Million Best International Mechanical (Shanghai) Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

PTFE lined diaphragm valve

Details: 1. PTFE/PFA/FEP/PO/PVDF Lined Valve(Including butterfly valve, ball valve, gate valve, check valve, globe valve, diaphragm valve, plug valve etc. ...

Cixi Shuangying Pipe & Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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PTFE/PFA/FEP Lined Sight Glass Ball Check Valve

Model / Specifications:H40

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:

Details: DOXI VALVE Lined Ball Check Sight Glass ValveThe DOXI Lined Ball Check Sight Glass Valves are very robust, having integrated borosilicate windows ...

Xuanda Industrial Group Doxi Valve Co., Ltd

Business Type:Manufacturers

Certificate IconCertificate Icon

Free Member

China (Mainland)China (Mainland)

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H41F46 lined check valve

Model / Specifications:H41F46

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Material:Casting

Details: check valve: 1)style:H41F46 type 2)lined material: PTFE,FEP,PCTFE,PFA 3)we have our own factory in shanghai...

Hangzhou Forest Abundant Electromechanical Device Limited Company

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

H42F46 lined lift check valve

Model / Specifications:H42F46

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Material:Casting

Details: lift check valve: 1)style:H42F46 type 2)lined material: PTFE,FEP,PCTFE,PFA 3)we have our own factory in shanghai...

Hangzhou Forest Abundant Electromechanical Device Limited Company

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

PTFE lined Globe Valve

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:

Details: 1,Norminal diameter: DN15~250, 1/2"~10" 2,Norminal pressure of PTFE Globe Valve: PN1.0~4.0MPa, 150#~300Lb...Place of Origin: CN;SHN

Shandong Woker Control Valves Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

H41J-6 lined check valve

Model / Specifications:H41F46

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Material:Casting

Details: check valve: 1)style:H41J-6 type 2)lined material: PTFE,FEP,PCTFE,PFA 3)we have our own factory in shanghai...

Hangzhou Forest Abundant Electromechanical Device Limited Company

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

DN40-DN800 PN10/16Mpa ptfe lined butterfly valve

Details: DN40-DN800 PN10/16Mpa ptfe lined butterfly valve Product Standard:Design Standard Face to Face Dimensions Flange Standard Test and Check Up Standa...

Luoyang Jinerjian Trading Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Product Summary

A ptfe lined check valve is a kind of check valve made from PTFE material. Polytetrafluoroethylene (PTFE) is a synthetic material accidentally invented in the late 1930s while a chemist was endeavoring to develop a new type of perfluorethylene-based refrigerant. Rather than achieving a chlorofluorocarbon, the scientist was surprised to find that the perfluorethylene used in the process reacted with the iron content of its container and polymerized under pressure. Less than a decade later, this new material was being distributed on a commercial scale and was eventually patented under the name Teflon. However, it would be another 20 years before PTFE would hit the frying and become known as the first non-stick coating for cookware. In fact, this material was used for a variety of other purposes at first.

The prime function of a check valve is to protect mechanical equipment in a piping system by preventing reversal of flow by the fluid. This is particularly important in the case of pumps and compressors, where back flow could damage the internals of the equipment and cause an unnecessary shutdown of the system and in severe cases the complete plant.

Generally speaking check valves have no requirement for operators, and so the valve is operated automatically by flow reversal; however, in very special circumstances this uni-directional facility has to be overridden. Check valves either can be fitted with a device that allows the closure plate to be locked open or alternatively can have the closure plate removed. The latter alternative requires dismantling the valve, removing the plates, and re-installing the valve. Check valves are automatic valves that open with forward flow and close against reverse flow. Check valves may also be requiredin lines feeding a secondary system in which the pressure can rise above that of the primary system.

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