Gold Member Since 2014
Audited Supplier
Suzhou Walter Flow Control Equipment Co., Ltd.

Slow Control Check Valve, Hydraulic Control Valve, Control Check Valve manufacturer / supplier in China, offering Slow Control Check Valve, Lift Check Valve for Water Pump, Spring Silent Check Valve for Water Pump and so on.

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Slow Control Check Valve

Purchase Qty.:
5-19 20+
FOB Unit Price: US $198 US $168
Purchase Qty. (Pieces) FOB Unit Price
5-19 US $198
20+ US $168
Get Latest Price
Production Capacity: 3000 Sets Per Month
Transport Package: Bubble Bags & Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: 300X
  • Connection Form: Flange
  • Function: Ddcv Double Lobe, Sfcv Rubber Lobe, Nrvz Silence
  • Name: Slow Control Check Valve
  • Trims: Stainless Steel
  • Seat: Ss/Brass/Bronze
  • Pressure: Pn10/16/25
  • Connection: Flanged
  • Origin: Suzhou, Jiangsu
  • Material: Cast Iron
  • Structure: Elevated
  • Application: Industrial Usage, Water Industrial Usage
  • Body: Ductile Iron
  • Diaphgram: Nylon + EPDM/Viton
  • Seal Ring: EPDM/NBR
  • Coating: Epoxy Coated to 300 Microns
  • Trademark: WALTER / No Brand
  • HS Code: 8481801090
Product Description
Slow Control Check Valve is a hydraulically operated No-Slam Check Valve. This valve opens when the pressure at the inlet exceeds the discharge pressure. A gradual rate of opening prevents sudden opening surges. When a pressure reversal occurs the higher downstream pressure is applied to the cover chamber through the control tube lines, and the valve closes drip tight. This valve is ideally suited for use where a positive shutoff is required. The rubber disc assures tight sealing even if the fluid contains grit or other small-size particles.
The velocity of Open/Shutoff can be controlled by the ball valve 2 on the outlet control tube line.
Note: The effectiveness of this valve is related to pipeline velocity. We recommend a maximum flow based on pipeline velocity of 3m/s, otherwise, consideration should be given to adding a Pressure Relief Valve to the system.

1- Body/Bonnet: GGG40/50 or Staninless Steel

2- Seat/Stem/Spring: SS304

3- Nut: SS/Bronze

4- DISC Guide: SS/Brass/Bronze

5- Diaphragm: Nylon + EPDM/NBR

6- Epoxy Resin coating internal & external, thickness above 300 micron

7- Work pressure: PN10/16/25; Size range: 2" to 24"

8- Design: BS EN1567, EN 1074-5, EN 1092-2, ISO 7005-2

WALTER-FSV Company produce No-Slam Check Valve, slow closing check valve for water pipe system and pump system.
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Mr. Justin Zhong
Director Manager
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