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backflow preventer valve

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Total 298 products from backflow preventer valve 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 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 Filtration Backflow Prevention Brass Angle Valves for sale

Brand Name:DOUBLE-LIN

Model Number:LL3501

Place of Origin:China

...Valve With Filtration Backflow Prevention Polished Chromed-Plated With Zinc Alloy Handle Description ​Working Pressure 10bar (145 psi) Working Temperature from 0 ℃ to +80 ℃ (from 32℉ to 176℉) Thread ISO228 (equivalent to DIN 259 and BS2779) ​​ Details ​Brass Valve...

ZHEJIANG DOUBLE-LIN VALVES CO.,LTD.
Verified Supplier

Zhejiang

Quality Professional  Safety Backflow Preventer High Strength Long Life Span for sale

Brand Name:AHSUNVAL

Model Number:Fig. 9041

Place of Origin:CHINA

...Backflow Preventer, Float Control Valve, PN10/16/25 1, PRODUCT DESCRIPTION: The material of Safety Backflow Preventer:of DIN standard Bellow Globe valve for PN16 Partes name material Body Ductile Iron Bonnet Ductile Iron The parts Brass Bolts Stainless steel/Steel with zinc The performance of DIN standard Bellow Globe valve...

ANHUI SIFA VALVE.CO., LTD.
Verified Supplier

Anhui

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 Cast Steel WCB 2 Wafer Check Valve , API Stainless Steel Butterfly Type Check Valve for sale

Brand Name:Y

Model Number:DH76H-16C

Place of Origin:China

... on the flow of the medium itself to prevent the backflow of the medium. It is also known as check valve, one-way valve, backflow valve and back pressure valve. The check valve belongs to an automatic valve, which is mainly used to prevent medium backflow,

China • Yuanda Valve Group 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 Food Grade One Way 2 Kpa Duckbill Non Return Valve for sale

Brand Name:OEM

Model Number:OEM

Place of Origin:CHINA

...t act as backflow prevention devices or one-way valves or check valves. They have elastomeric lips in the shape of a duckbill which prevent backflow and allow forward flow. The main advantage of duckbill valves over other types of one-way valves is that

Xiamen Juguangli Import & Export Co., Ltd
Verified Supplier

Fujian

Quality Pop Action Type 811 High Efficiency Pilot Operated Safety Valve for sale

Brand Name:LESER

Model Number:Type 811

Place of Origin:Germany

...to set pressure Operating pressures up to 96% of the set pressure Back pressures up to 70% of the set pressure Backflow preventer integrated as a standard component Integrated Piping prevents damage and freezing Supplementary Loading System Equipment that

Xiangjing (Shanghai) M&E Technology Co., Ltd
Verified Supplier

Shanghai

Quality OEM Water DI Ductile Iron Silent Globe Check Valve Dn200 for sale

Brand Name:OEM

Model Number:BS5153

Place of Origin:China

...the flow of the medium itself. The valve for preventing the backflow of the medium, also called the check valve and the check valve, belongs to an automatic valve, and its main function is to prevent the medium from flowing backward. Prevent the pump and

Anhui Prosper Flow Technology Co., Ltd
Verified Supplier

Anhui

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

... 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 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 Large Diameter Air Duct Check Valve , Acid Proof Backflow Preventer Valve for sale

Brand Name:CNGI

Model Number:DN15-DN2000

Place of Origin:China

Customized air ducting check valve Product description PP Manual air valve , also called Anti-corrosion pp Manual air control valve, is the industrial plant, civil building ventilation, air conditioning and air purification works in the indispensable ...

Jiangsu Lvdao Pipes And Valves Co., Ltd.
Site Member

Jiangsu

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

... 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 Tebon Valve Co.,Ltd
Site Member

Hebei

Quality pneumatic /stainless steel globe valve/globe valve/plumbing valve/backflow preventer for sale

Place of Origin:WENZHOU

Brand Name:KCM

Model Number:00028

... /stainless steel globe valve/globe valve/plumbing valve/backflow preventer 1.Product Description: Application standards 1. Design and manufacture conform to BS5352 MSS SP 118; 2,. Connection ends conform to: 1)Socket ...

KCM TECHNOLOGY GROUP CO.,LTD
Active Member

Zhejiang

Quality yomtey brass antifouling block vavle(backflow preventer) for sale

Brand Name:YomteY

Model Number:Y9402

Place of Origin:China

Technical Standard Nominal Pressure:1.6MPa Working Medium:water, Working Temperature:0℃≤t≤80℃

Dongguan Ameike Valve Co., Ltd
Active Member

Quality Backflow Prevention Rubber Duckbill Valves for sale

Place of Origin:Henan China (Mainland)

Brand Name:bright

Model Number:Bihe140324

...piece elastomeric valves that provide reliable backflow prevention at low pressure differentials.Rubber Duckbill valvesallow free flow with positive differential pressure. With negative differential pressure, backflow is checked. Pressure drop across the

Zhengzhou Bihe Trade Co., Ltd.
Active Member

Henan

Quality pneumatic /stainless steel globe valve/globe valve/plumbing valve/backflow preventer for sale

Place of Origin:WENZHOU

Brand Name:KCM

Model Number:00028

... /stainless steel globe valve/globe valve/plumbing valve/backflow preventer 1.Product Description: Application standards 1. Design and manufacture conform to BS5352 MSS SP 118; 2,. Connection ends conform to: 1)Socket ...

KCM TECHNOLOGY GROUP CO.,LTD
Site Member

Zhejiang

Quality Backflow Prevention Test Kit, Comprised of Three Valves for sale

Place of Origin:United States

Brand Name:DWYER

Model Number:Model BTK2

...backflow prevention test kit is capable of testing hydronic systems with test procedures recommended by ASSE, AWWA, CSA, FCCC, HR-USV and NEWWA The BTK2 is comprised of three valves and is specially designed for testing backflow prevention assemblies The tests can be completed in almost any area by mounting the unit with the included high performance elastic cord PTFE-lined brass ball valves

Dwyer Instruments HK Ltd
Active Member

Hong Kong

Quality Backflow Prevention Rubber Check Valves for sale

Place of Origin:China

Brand Name:Liwei

Model Number:XF-T

1. Product introduction 1, Specially Supplied For Power Plant Rubber Check Valve is a new water supply and drainage valve with full rubber structure, duck-mouthed appearance and functions of positive flow-in and reserve cut-off. 2, Specially Supplied For ...

Henan Liwei industry Co.Ltd.
Active Member

Henan

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