Find Check Valve, Dual Plate Wafer Check Valve, Duo Disc Check Valve on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

Inquiry Basket (0)
Home > Products > Check Valve > Double Y Type Backflow Preventer

Double Y Type Backflow Preventer

Payment Type: L/C, Money Gram
Min. Order: 1 Bag/Bags

Basic Info

Model No.:  FWGD

Product Description



Model NO.: FWGD


Connection Form: Flange


Function: Backflow Preventer


Flow Direction: Reversing


Application: Water Industrial Usage


Trademark: KQ or OEM


Origin: Shanghai China




Material: Cast Iron


Structure: Swing


Sealing Form: Bellows Globe Valve


Standard: JIS


Pn:1.0,1.6MPa or 125lb ,150lb: Dn32~Dn300


Specification: ISO Quality Management System


HS Code: 8481804090


Backflow Preventer

Brief introduction:

The valve is new and high quality backflow preventer, importing abroad advance technology. This avoids the risk of any contamination from a property flowing back through connections to the water supply system.





Technical Specification

-Nominal diameter:50~600mm

-Nominal pressure:1.6Mpa

-Medium: water



Double Y Type Backflow Preventer







Double Y Type Backflow Preventer




Part Material
Technical Specification
NO. PART NAME Material
Nominal Pressure:1.6MPa
1 Body Ductile Iron ,Carbon Steel
DN:50~600mm
2 Bonnet Ductile Iron ,Carbon Steel
Medium: water
3 Valve Disk Ductile Iron
Work temperature: ≤ 120
4 Spring Stainless Steel
Design Standard :BS5163
5 Anti-pollution Valve Brass
Flange Standard :BS EN 1092









OTHER STANDARD ARE AVAILABLE UPON REQUEST.
























Dimension Unit:mm
DN 50 65 80 100 150 200 250 300 350 400 450 500 600
L 458 482 551 653 793 1008 1186 1340 1505 1670 1886 1986 2318
H 210 235 264 308 400 503 595 705 705 905 910 921 1210

Contact us if you need more details on Backflow Preventer. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Anti-Pollution Isolating Valve、Preventer. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Check Valve