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Shanghai Biaoyi Valve Co., Ltd.

Hydraulic Control Valve, Check Valve, Non-Surge Check Valve manufacturer / supplier in China, offering 300X Non-Surge Check Valve, 500X Pressure Relief, Pressure Sustaining Valve, Y43h/Y Piston Steam Reducing Valve (PRV) and so on.

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Supplier Homepage Product check valve 300X Non-Surge Check Valve

300X Non-Surge Check Valve

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Production Capacity: 45000 Sets/ Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal

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Basic Info
  • Model NO.: 300X-16, 300X-16Q
  • Trademark: BIAO YI
  • Specification: DN50 - DN500
  • HS Code: 8481804090
  • Material: Cast Iron, Ductile Iron, Cast Steel
  • Transport Package: Plywood Case
  • Origin: Shanghai
Product Description
300X Non-Surge Check Valve

300X Non-Surge Check Valve300X Non-Surge Check Valve


300X Non-Surge Check Valve closes automatically in case of prevent mediums back-flow. The Non-Surge Check Valve allows flow when inlet pressure in higher than the outlet pressure.

The valve has the principal of slow-open, quick-close and slow-close into one to prevent water hammering when the pump starts or closes. Non-Surge Check Valve opens and closes at controlled speed to ensure smooth flow.

Used on the pump outlet of a water supply system to prevent mediums back-flow, water hammer and water shock. It has three functions as an electric valve, check valve and water hammer remover.

It is capable of improving the safety and reliability of the water supply system effectively through integrating the technical principle of slow-open, speed valve, slow-close, and removing water hammer and preventing of both pump-starting and pump-stopping water hammer.

The gate can carry out open-close automatically upon the operation rules of the water pump just by operating the pump to open or close electrically. Hydraulic Check Valves features by the big flow and small pressure loss, reliable sealing performance, easy installation, debugging and maintenance and long duration.

DN50 - DN450 Diaphragm type valve
DN 500 -DN600 piston type valve

300X Non-Surge Check Valve

Serial No.PartMaterial
1BodyCast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
2Seat410 S.S. / SS 304 / SS 316
3Stem410 S.S. / SS 304 / SS 316
4O-ring washerCast Iron
7DiscCast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
9Diaphragm washerCast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
11SpringSpring steel
12CoverCast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
13Ball valveBronze
14Ball valveBronze
15Pressure show 
16Hang ringSteel
17Pilot socketPilot socket
18Single way valveBronze
19Needle valveBronze

300X Non-Surge Check Valve

DN mm20253240506580100125150200250300350400450500600700800


300X Non-Surge Check Valve

Company Name : Shanghai Biaoyi Valve Co.,LTD.   Contact: Mr. Liu  Tie  +86 139 1822 9256
Company Address : No.399 Songxiu Road,Qingpu Industrial Zone,Shanghai,China, P.C.201703
Telephone Number : +86-21-5975 8918  Fax Number : + 86-21-59758816

 300X Non-Surge Check Valve
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