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Double Check Valve Backflow Preventer

double check valve backflow preventer

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Total 25271 products from double check valve backflow preventer Manufactures & Suppliers
Quality Automaitc Duckbill Check Valve Backflow Prevention Flexible Muff Coupling Slow Closing for sale

Brand Name:JINGNING

Model Number:XH

Place of Origin:China

...a special product ,and it is used for draining sewage .In many foreign countries,such as Spain , America,it is usually named as duckmouth-shaped valve .We are doing our best to make this valve more practical and more perfect .The valve can be matched with

Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
Verified Supplier

Shandong

Quality Diaphragm Plastic Medical Check Valve Backflow Preventer Water Reducing 0-30Kpa for sale

Brand Name:SION

Model Number:CJT123

Place of Origin:Fujian,China

0-30Kpa Plastic Backflow Preventer Diaphragm Water Reducing Medical Check Valve specification Part No. Material Type Opening Pressure Back Pressure Port Size/Tube ID CJT123 PC+Silicone Diaphragm 0-30 ...

Fuzhou Sion Trading Co., Ltd.
Active Member

Fujian

Quality Lift Check Valve/check valves/backwater valve/backflow valve/backflow preventer valve/backflow valves for sale

Place of Origin:CHINA HEBEI SHIJIAZHUANG

Brand Name:TEBON OR OEM

Model Number:00024

...Check Swing check valve GB12236 GB12221 GB9113 JB79 GB9131 GB/T13927 JB/9092 Lift check valve GB12235 Pressure Test Nominal Pressure 1.6 2.5 4.0 6.4 10.0 16.0 Strength Test 2.4 3.8 6.0 9.6 15.0 24.0 Seal Test 1.8 2.8 4.4 7.0 11.0 18.0 ...

HeBei JiuBai Technology Co,Ltd
Active Member

Hebei

Quality Swing Ductile Cast Iron Check Valve For Preventing Backflow for sale

Brand Name:OEM

Model Number:BS/DIN/ANSI/JIS

Place of Origin:China

...-PN16/ 125lb-150lb/ 5K-10K. The design standard is DIN3356/ BS5153/ BS1868/ ANSI/ JIS B2043. This cast iron check valve is

Chizhou Fuchang Machinery Manufacturing Co.,Ltd
Verified Supplier

Anhui

Quality Pilot Operated Hydraulic Double Check Valve Main 350bar Pressure for sale

Brand Name:Kaienli

Model Number:VBPDE-FLV

Place of Origin:China

... while preventing reverse flow. It consists of a main check valve and a pilot control mechanism. Here's a general overview of how a pilot-operated check valve works: Main Check Valve: The main check valve is the primary valve that permits or blocks the

Changsha Kaienli Hydraulic Technology Co., Ltd.
Verified Supplier

Hunan

Quality Brass Check Valve ,Vertical Check Valve, Non Return Valve,Backflow Prevention Valve,Swing Check Valve,Retaining Valve for sale

Brand Name:APS

Model Number:Checking Valve-1/2", 3/4", 1", 1 1/4", 1 1/2", 2"

Place of Origin:China

Product Description: Product Name brass ball valves-Non return Valve Size Range from 1/2'', 3/4'', 1'' to 2''(inch) Material brass CW614N or CW617N Ball Iron ball or Brass ball, and chrome plated Color brass yellow, Or nickel plated, Or chrome plated ...

Shanghai APS Eco-tech Co., Ltd
Site Member

Shanghai

Quality Horizontal Vertical Cast Check Valve , Lug Double Check Valve OEM Service for sale

Brand Name:Kelite Valve

Model Number:2"-40", CL150-1500

Place of Origin:China

Lug dual plate cast check valve 2"-40" CL150-1500 API 594 design Applicable Standards: ● STEEL CHECK VALVES, API 594/API6D ● STEEL CHECK VALVES,ISO14313 ● STEEL VALVES,ASME B16.34 ● FACE TO FACE, ASME B16.10 ● END FLANGES,ASME B16.5 ● INSPECTION AND TEST, ...

Kelite Valve(Shanghai) Co., Ltd
Site Member

Shanghai

Quality WABCO Air Brake Valves Double Check Valves For Clutch Servo Air Dryers for sale

Brand Name:flat world

Model Number:4342080000

Place of Origin:China

...,EXW,FCACertificate:TS16949 HS Code:8708309990Transportation:Ocean,Land,Air Loading Port:guangzhou,ningbo,shanghai One -ways check vavles have two

Shangqiu Flat World Machinery Co.,Ltd
Site Member

Henan

Quality XCMG Truck Crane QY12 QY12B.5  803000407 SLDXF-RHD25S Double check valve for sale

Place of Origin:CHINA

Brand Name:XCMG

Model Number:803000407 SLDXF-RHD25S

...Double check valve 803000748 11410587 Balance valve PHY-H20L-2 803000075 10100148 FD16FA-10/B03 Balance valve 803000386 10100689 GCBH3-16/25-D Balance valve 803000300 10100549 GCBH3-16/25-890A Balance valve 803000047 10100094 GCBH3-16/25-890 Balance valve 803000167 10100365 XZPH25Q Balance valve 803002553 CCBH140/200-2/4.5 Balance valve 803000272 10100485 CCBH-140/200-2/4 Balance valve

SHANDONG HUARY MACHINERY&TRADE Co.LIMITED
Site Member

Shandong

Quality Ggg40 Muffler Check Valve Double Flange Dn100 No Return Check Valve for sale

Brand Name:FB valve

Model Number:FLH41X-16

Place of Origin:CHINA

...Check valve double flange no return valve The muffler check valve is a kind of valve that automatically opens and closes the valve flap with the flow movement of the medium itself to prevent the backflow of the medium. It’s also known as counter-current valve and back pressure valve. A muffler sanitary check valve is a kind of automatic valve. Its main use is to prevent backflow of the media, prevent...

Fengbao Valve Manufacturing Co., Ltd.
Verified Supplier

Hebei

Quality Wafer Type Double Disc Swing Check Valve , Stainless Steel Check Valve Metal Seat for sale

Brand Name:CXDLV

Model Number:H76

Place of Origin:China

... in a pipe system.Often applied on the discharge side of pumps,check valves prevent the system from draining if the pump stops and protects against backflow, which could harm the pump and/or other equipment. Dual Plate Check Valve They are low cost, and

Wenzhou Xidelong Valve Co. LTD
Verified Supplier

Zhejiang

Quality Professional 3 Inch Hydraulic Check Valves Preventing Backflow With FPM Gasket for sale

Brand Name:DONJOY

Model Number:NO.VZH200A01

Place of Origin:CHINA

...Standard: DIN,SMS, RJT, IDF, ISO, 3A Specification Product Name: 3",SS316L Sanitary Check Valve, Thread Check Valve Preventing Backflow Valve Body Material: SS304 or SS316L Seal Material: EPDM Max. Working Pressure: 10Bar Opening pressure: 0.1-0.3bar Max.

DONJOY TECHNOLOGY CO., LTD
Verified Supplier

Zhejiang

Quality Forged Swing Gate Check Valve One Way Body Pipe Fittings ISO9001 for sale

Brand Name:HUATAO

Model Number:HT- Swing Check Valve

Place of Origin:China

...non-return valve, is used to prevent the backflow of media in pipelines. The valve disc is opened or closed by the flow of media and force, and is designed to prevent media backflow. Check valves are automatic valves and are mainly used in pipelines where

HUATAO LOVER LTD
Verified Supplier

Quality High Pressure 2 Swing Check Valve For Preventing The Back Going Pipelines for sale

Brand Name:OEM

Model Number:GYP-3

Place of Origin:Shanghai , China

... alkali industry, domestic sewage, seawater 2. Working temperature : ≤60°C, and according to use requirement , the maximum temperature resistance of flap valve can be designed to reach 100°C 3. Working pressure: normal pressure to 0.25Mpa 4.

Shanghai kangquan Valve Co. Ltd.
Active Member

Shanghai

Quality Backflow Prevention Nozzle Check Valve With Anti Water Hammer for sale

Brand Name:AFC

Model Number:NSCV

Place of Origin:China

Nozzle Check Valve With Anti Water Hammer And Backflow Prevention Function Nozzle Check Valve with anti water hammer and low Head Loss function Description: Non Slam Check Valve is usually installed as protection against reverse flow when power failure in ...

Suzhou Alpine Flow Control Co., Ltd
Verified Supplier

Jiangsu

Quality High Pressure Spring Loaded Check Valve Cryogenic 304 Stainless Steel for sale

Brand Name:CD-CNLN

Place of Origin:China

... with the internal fluid to prevent the backflow of the medium. It is also known as check valve, check valve, reverse flow valve and back pressure valve. Check valves are automatic valves. Its main function is to prevent the backflow of the medium,

SiChuan Liangchuan Mechanical Equipment Co.,Ltd
Verified Supplier

Sichuan

Quality 1/2in Backflow Preventer  Check Valve One Way Non Return for sale

Place of Origin:Zhejiang, China

Brand Name:Shenghui

Model Number:SH-0121

1/2in Female Thread Brass One-Way Non-Return Swing Valves PPR Pipe Prevent Water Backflow Check Valve #detail_decorate_root .magic-0{margin-bottom:10px;overflow:hidden}#detail_decorate_root .magic-1{vertical-align:top}#detail_decorate_root .magic-2{padding...

Hunan Shenghui Technology Co., Ltd.
Verified Supplier

Quality API594 Double Disc plated Dual Check Valves With Class 150, Class 300, Class600, Class900, class1500 for sale

Brand Name:DEYE

Model Number:DY-V-06

Place of Origin:CHINA

... direction within the piping system or the pipeline (as backflows may damage upstream equipment). The check valve lets the fluid flow in the desired direction only (if there is enough pressure), and blocks any flow in the opposite direction. Also, the

SHIJIAZHUANG DEYE PIPING INDUSTRY CO., LTD(Pipefittings Department)
Verified Supplier

Hebei

Quality DN500 Check Valve / Ductile Iron Check Valve / Swing / Non-Return Valve for sale

Categories:Swing Check Valve

Country/Region:china

... the output for the media. Since they only allow media flow in one direction, they are commonly referred to as ‘one way valves’ or ‘non return valves.’ The main purpose of a check valve is to prevent backflow in the system. A check valve relies on

Wuhan Libin Valve Manufacturing Co., Ltd.
Verified Supplier

Hubei

Quality PTFE Wetted Plastic One Way Check Valve Anti Backflow PVC NRV Valve for sale

Brand Name:KOSCN

Model Number:CV

Place of Origin:China

... is PTFE. The valve is designed for directional flow control, as it provides a 5.0 PSIG (.35 Bar) back check sealing pressure. This Plastic Isolating valve, Plastic Anti-backflow valve, and Plastic back-pressure valve are highly reliable and can be used in

KOSCN Industrial Manufacturing (Shenzhen) Co., Ltd.
Verified Supplier

Guangdong

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