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How Does A Backflow Valve Work

how does a backflow valve work

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Total 23385 products from how does a backflow valve work Manufactures & Suppliers
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 Water Media 304/316 Stainless Steel Horizontal Swing Check Valve Anti-Backflow Valve for sale

Place of Origin:Zhejiang,China

FAQ 1. who are we? We are based in Zhejiang, China, start from 2013,sell to Southeast Asia(50.00%),South America(20.00%),North America(12.50%),South Asia(10.00%),Eastern Asia(2.00%),Eastern Europe(1.00%). There are total about 51-100 people in our office...

Wenzhou Fuchuang Valve Technology Co., Ltd.
Verified Supplier

Zhejiang

Quality Limitorque QX Electric Actuator For Valves Work With Fisher EZ Valve Body for sale

Brand Name:limitorque

Model Number:QX

limitorque QX electric actuator for valves work with Fisher EZ valve body product image Product Description Product name limitorque QX electric actuator for valves work with Fisher EZ valve Mode QX Brand name limitorque Material Alloy Input Signal 4-20mA ...

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

Shanghai

Quality 3/8 Inch Electromagnetic Pulse Valve Working Medium For 40 Micron Filtered Air for sale

Brand Name:OEM

Model Number:4V310-10

Place of Origin:China

... which has little attrition friction ,low start pressure and long service life. 3, No need to add oil for lubrication. 4, It is available to from integrated valve group with the

Ningbo Brando Hardware Co., Ltd
Verified Supplier

Zhejiang

Quality 50mm Irrigation Solenoid Valve Working Temperature 80 Degree 0.1-1.04Mpa for sale

Place of Origin:Guangdong, China (Mainland)

Brand Name:AFK

Model Number:200P

... debris and clogging of solenoid ports. • Slow closing to prevent water hammer and subsequent system damage. • Manual internal bleed operates the valve without allowing water into the valve box. • One-piece solenoid design with

Shenzhen Wofly Technology Co., Ltd.
Verified Supplier

Guangdong

Quality OEM A42Y -64C / P / R Power Station Valve Working Temperature 300℃ for sale

Brand Name:OEM

Model Number:A42Y-64C/P/R

Place of Origin:China

...valve for working temperature 300degree C. equipment and pipe A42Y Closed spring loaded low lift type safety valve Use A42Y is suitable for working temperatures=300℃ equipment and pipeline oil, air, water and other media. A42Y-P/R is suitable for working...

Hontai Machinery and equipment (HK) Co. ltd
Verified Supplier

Guangdong

Quality Stainless Steel Hydraulic Valves Working Pressure 7250 Psi NBR Backup Ring for sale

Brand Name:QPE

Model Number:KVU-SS

Place of Origin:CHINA

Stainless Steel Hydraulic Check Valve with a pressure rating range up to 7250 psi Feature: 1. Connexion by screwing togather the two parts 2. Disconnexion by screwing the two parts 3. Standard setting 35kpa (5psi) Technical Specification 1. Metrial:Steel,...

Cixi Qianyi Pneumatic & Hydraulic Co.,Ltd.
Verified Supplier

Zhejiang

Quality how does electric opaque glass work for sale

Place of Origin:china

Brand Name:EBGLASS

...Does Electric Opaque Glass Work Also called Smart glass, switchable glass, Intelligent glass, Electrical privacy glass, Smart pdlc glass, and Switchable smart glass. It is capable of adjusting light transmission between transparent and opaque using AC power. Applied on any window, doors…to get a instant privacy on demand. It gets many functions, such as light adjustment, UV and infrared blocking, advertising and secutiry. Technology How does

EB GLASS INDUSTRIAL
Active Member

Shandong

Quality Forged Steel Angle Needle Valve Working Medium Water Oil Natural Gas for sale

Brand Name:Kelite Valve

Model Number:1/2"-2", CL150-2500

Place of Origin:China

...) Pressure of flat gate valve: 150LB(PN10)-2500LB(PN420) Connection type: Flange(RF,EM,RTJ),SW,BW. Kind of drive: Wrench,Gear,Pneumatic and electric Design standard: API6D working medium: Water,oil, Natural gas Needle Valves are used to

Kelite Valve(Shanghai) Co., Ltd
Site Member

Shanghai

Quality 808nm/810nm diode laser does laser hair removal work for sale

Place of Origin:Beijing,China

Brand Name:KINGSUO

Model Number:KS-DL02

808nm/810nm diode laser does laser hair removal work I Theory 810nm system uses the unique laser with long pulse width 810nm to penetrate into hair follicle.Using the theory of selective ...

Beijing KingSuo Technology Co., Ltd
Active Member

Beijing

Quality Two Way Back Pressure Valve - One Way Back Pressure Valve-Working Pressure:2000-20000psi. for sale

Brand Name:CCSC

Model Number:One Way - Two Way

Place of Origin:China

...Valve Back Pressure Valve is installed inside the tubing hanger for holding pressure from below to isolate well pressure during the wellhead installation, CCSC provides the back pressure valve which is same as Cameron back pressure valve type 'H', both two way BPV and one way BPV are available, the most common size we have manufactured is 6 5/16" and 4", the working pressure is upto 20,000PSI. Two Way Back Pressure Valve...

CCSC Petroleum Equipment Ltd Co
Site Member

Shanghai

Quality Autel Seat 2" 2.5" for Air Solenoid / Pulse Jet Valve , Working pressure 1.5 - 8 Bar for sale

Brand Name:Autel

Model Number:2" 2.5"

Place of Origin:CHINA

Autel Seat 2" 2.5" repair kit for Air solenoid valves AE1450B DN50 Working pressure 1.5 - 8bar Description 1. The diaphragm repair kits is for Italy Autel pulse jet valves AE1450B. 2. This diaphragm has large air - outlet, so the air can get throgh very ...

Ningbo Nijia Electronics Technology Co.,Ltd
Site Member

Zhejiang

Quality Does cool sculpting really works? Cryolipolysis fat freezing slimming machine hot sale Forimi for sale

Brand Name:Forimi

Model Number:FMC-1

Place of Origin:Beijing,China

Advantage: 1.Three different cooling modes. 1) Cooling Always 2) 3 minutes heating and then cooling all the time 3) 3 minutes heating then 20 minutes, then repeat the process again 2.Two air pumps, 2 large size handles can work at the same time. 3.The ...

Beijing Forimi Co., Ltd
Active Member

Beijing

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 Electromagnetic Pool Backflow Valve , Small Auto Pool Filter Control Valve  for sale

Brand Name:CDFS

Model Number:3 inch

Place of Origin:China

This valve is widely used in automatic backwash disc filtration system, driven by the pressure of pipelines and realize filter’s backwash automatically. It is simple-structured, practical, and can run for a long time without maintenance. The diaphragm can ...

HUNAN DAWNING FILTER SYSTEM TECHNOLOGY CO.,LTD
Active Member

Hunan

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

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 Brass water pressure reducing valve Working pressure PN16 , Adjustment 20~175PSI for sale

Brand Name:OEM

Model Number:200P new

Place of Origin:Shanghai , China

...valve Working pressure PN16 , Adjustment 20~175PSI Product name Pressure reducing valve Mode 200P DN20-50 Material Brass Colour Golden Connection mode Thread Technical specification 1. Norminal pressure :1.6MPa 2. Working medium:Water.gas.steam.oil 3. Working...

Shanghai kangquan Valve Co. Ltd.
Active Member

Shanghai

Quality PN25 Water Flanged Ball Check Valve F6 Swing 600mm Rubber Disc Check Valve for sale

Brand Name:FB valve

Model Number:50-400 F6 Swing BRASS PN10.16

Place of Origin:CHINA

...Valve For Water H44H ​​swing check valve refers to the valve that automatically opens and closes the valve flap by relying on the flow of the medium itself to prevent the backflow of the medium, also known as check valve, one-way valve, reverse flow valve, and back pressure valve. The check valve is an automatic valve whose main function is to prevent the backflow...

Fengbao Valve Manufacturing Co., Ltd.
Verified Supplier

Hebei

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

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