Home > Tools & Hardware > Valve > Valves >

Double Check Valve Backflow Preventer

Fair Trading Service

Report fraud supplier Report IPR Products

Haven't found right suppliers
Our buyer assistants can help you find the most suitable, 100% reliable suppliers from China.
And this service is free of charge.
we have buyer assistants who speak English, French, Spanish......and we are ready to help you anytime!

Submit Buying Request

Total 1696 products for double check valve backflow preventer Manufacture & Suppliers

Inner Core Rubber Duckbill Valve , Drain Check Valve Automatically Open Forward Turn Resistant

... turn-resistance ,a small start-up pressure and flow naturally adjusted according to the water pressure. 3. Reverse backstop sealed,no leaks,it prevents backflow,the greater the back pressure,the better the...

Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
Shandong,China

Verified Supplier

Add to cart
Ductile Iron Swing Flex Check Valve With Nylon Reinforced Fabric Double Flange

...Check Valve With Nylon Reinforced Fabric Double Flange Swing Flex Check Valve Ductile Iron EPOXY Coated 40 degree incline Nylon Reinforcement Disc Description: A swing check valve is designed to prevent rev...

Suzhou Alpine Flow Control Co., Ltd
Jiangsu,China

Verified Supplier

Add to cart
Stainless Steel Flanged Swing Check Valve Material Nitric Acid 1.6/2.5/4.0Mpa

...Check Valve Introduction Stainless steel swing check valve refers to a valve whose opening and closing parts are circular valve discs and act by their own weight and medium pressure to block the backflow of ...

China • Yuanda Valve Group Co., Ltd.
Hebei,China

Active Member

Add to cart
Stainless Steel Flanged Swing Check Valve Material Nitric Acid 1.6/2.5/4.0Mpa

...Check Valve Introduction Stainless steel swing check valve refers to a valve whose opening and closing parts are circular valve discs and act by their own weight and medium pressure to block the backflow of ...

China • Yuanda Valve Group Co., Ltd.
Hebei,China

Verified Supplier

Add to cart
Cast Iron Body swing type check valve NRV SS Disc Double Door With SS Spring

...valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically. When the medium is back-going, valve ...

Shanghai kangquan Valve Co. Ltd.
Shanghai,China

Active Member

Add to cart
Class 150 Double Disc Cast Steel Check Valve Convenient With SS304 Spring

...less expensive. Its meets API 594, which is approximately one fourth the face to face dimensions and 15% to 20% the weight,noney in initial valve coast and provides lower installation cost. The disc is litfe...

KCM TECH GROUP COMPANY
Zhejiang,China

Active Member

Add to cart
Cast Iron Body swing type check valve NRV SS Disc Double Door With SS Spring

...valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically. When the medium is back-going, valve ...

Shanghai kangquan Valve Co. Ltd.
Shanghai,China

Verified Supplier

Add to cart
Class 150 Double Disc Cast Steel Check Valve Convenient With SS304 Spring

...less expensive. Its meets API 594, which is approximately one fourth the face to face dimensions and 15% to 20% the weight,noney in initial valve coast and provides lower installation cost. The disc is litfe...

KCM TECH GROUP COMPANY
Zhejiang,China

Verified Supplier

Add to cart
EPOXY Coated Swing Flex Check Valve For Sewage System Ductile Iron Founded

... swing check valve for reliable reverse flow prevention, good for both clean water/sewage applications. It is a 40 degree angle declined seat which can help quick closure and minimize the water hammer and sl...

Suzhou Alpine Flow Control Co., Ltd
Jiangsu,China

Verified Supplier

Add to cart
Ductile Iron Swing Flex Check Valve With Nylon Reinforced Fabric Double Flange

...Check Valve Ductile Iron EPOXY Coated 40 degree incline Nylon Reinforcement Disc Description: A swing check valve is designed to prevent reverse flow automatically. Under system flow conditions, the movemen...

Suzhou Alpine Flow Control Co., Ltd
Jiangsu,China

Verified Supplier

Add to cart
Cast Iron And EPDM Seat Swing Type Check Valve / Flow Check Valve PN10 ~PN16 Pressure

...Check Valve By cast Iron And EPDM Seat Double Door / Plate PN10 Wafer Check Valve cast Iron Body EPDM Seat Double Door / Plate Zinc Plated door PN10 Application: The Check valve is used for preventing the ba...

Shanghai kangquan Valve Co. Ltd.
Shanghai,China

Active Member

Add to cart
Cast Iron And EPDM Seat Swing Type Check Valve / Flow Check Valve PN10 ~PN16 Pressure

...Check Valve By cast Iron And EPDM Seat Double Door / Plate PN10 Wafer Check Valve cast Iron Body EPDM Seat Double Door / Plate Zinc Plated door PN10 Application: The Check valve is used for preventing the ba...

Shanghai kangquan Valve Co. Ltd.
Shanghai,China

Verified Supplier

Add to cart
High Pressure Intensifier Waterjet Pump Parts 010559-1 Check Valve Body Assy

...check valve body assy Waterjet Pump Parts 010559-1 check valve body assy details: Product name Check valve body assy Part number 010559-3 Application Water jet intensifier parts Type Water jet parts MOQ 1 pi...

SHANDONG WAMI CNC TECHNOLOGY CO.LTD
China

Site Member

Add to cart
Stainless Steel Single Plate Wafer Check Valves, PN16 Lift Check Valves

...Check Valves, PN 16 Lift Check Valves Description: Wafer check valve is applicable for various pipelines with nominal pressure of PN1.0 Mpa~42.0Mpa,Class 150LB~2500LB and nominal diameter of DN15~1200mm,NPS ...

zhejiang teyi valve co.,ltd.
Zhejiang,China

Verified Supplier

Add to cart
UX22 Check Valve HD820 DH220-5 7 DH225-7 DH300-5 HD512 Relief Valve Excavator Components

...Check Valve HD820 DH220-5 7 DH225-7 DH300-5 HD512 Relief Valve Excavator Components Functions: 1. Make the fluid flow only one-way under a certain pressure. When the fluid pressure exceeds the maximum pressu...

Jin Guan Chen Machinery Parts Business Department, Tianhe District, Guangzhou
China

Site Member

Add to cart
16BAR Wafer Type Double Door Swing Check Valve with Full S/S Stainless Steel Material

Valve Check 150MM 16BAR Wafer Type, Double Door, Full S/S Stainless Steel Application: Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring th...

Shanghai kangquan Valve Co. Ltd.
Shanghai,China

Active Member

Add to cart
16BAR Wafer Type Double Door Swing Check Valve with Full S/S Stainless Steel Material

Valve Check 150MM 16BAR Wafer Type, Double Door, Full S/S Stainless Steel Application: Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring th...

Shanghai kangquan Valve Co. Ltd.
Shanghai,China

Verified Supplier

Add to cart
TA2 Titanium Alloy Lift Check Valve, Flange End, PN16, Corrosion Resistant

1. Product Introduction Our Titanium Alloy Lift Check Valve (Globe Pattern) is engineered to automatically prevent fluid backflow in corrosive piping systems. Designed with a bolted bonnet and lift-type disc me...

Baoji Lihua Nonferrous Metals Co., Ltd.
Shaanxi,China

Verified Supplier

Add to cart
Butterfly Non Return Check Valve , PN 10 Bar Flanged Non Return Valve

..., source water, sewage, seawater and other media supply and drainage pipelines, installed in the pump outlet, to cut off the backflow of the medium to eliminate the atomic energy damage of the water hammer, ...

Zhejiang TongJiang Holdings Company
Zhejiang,China

Active Member

Add to cart

|< << 12 13 14 15 16 17 18 19 20 >> >|

Inquiry Cart 0

All Categories

Double Check Valve Backflow Preventer

Total 1696 products for double check valve backflow preventer Manufacture & Suppliers

Inner Core Rubber Duckbill Valve , Drain Check Valve Automatically Open Forward Turn Resistant

Ductile Iron Swing Flex Check Valve With Nylon Reinforced Fabric Double Flange

Stainless Steel Flanged Swing Check Valve Material Nitric Acid 1.6/2.5/4.0Mpa

Stainless Steel Flanged Swing Check Valve Material Nitric Acid 1.6/2.5/4.0Mpa

Cast Iron Body swing type check valve NRV SS Disc Double Door With SS Spring

Class 150 Double Disc Cast Steel Check Valve Convenient With SS304 Spring

Cast Iron Body swing type check valve NRV SS Disc Double Door With SS Spring

Class 150 Double Disc Cast Steel Check Valve Convenient With SS304 Spring

EPOXY Coated Swing Flex Check Valve For Sewage System Ductile Iron Founded

Ductile Iron Swing Flex Check Valve With Nylon Reinforced Fabric Double Flange

Cast Iron And EPDM Seat Swing Type Check Valve / Flow Check Valve PN10 ~PN16 Pressure

Cast Iron And EPDM Seat Swing Type Check Valve / Flow Check Valve PN10 ~PN16 Pressure

High Pressure Intensifier Waterjet Pump Parts 010559-1 Check Valve Body Assy

Stainless Steel Single Plate Wafer Check Valves, PN16 Lift Check Valves

UX22 Check Valve HD820 DH220-5 7 DH225-7 DH300-5 HD512 Relief Valve Excavator Components

16BAR Wafer Type Double Door Swing Check Valve with Full S/S Stainless Steel Material

16BAR Wafer Type Double Door Swing Check Valve with Full S/S Stainless Steel Material

TA2 Titanium Alloy Lift Check Valve, Flange End, PN16, Corrosion Resistant

Butterfly Non Return Check Valve , PN 10 Bar Flanged Non Return Valve