China Manufacturer Silence Check Valve ISO 9001 Approved

• Media: Water
• Temperature: Ordinary Temperature
• Material: Cast Iron
• Connection Form: Flange
• Structure: Tubular
• Pressure: Ordinary Pressure
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Sealing Form: Gland Packings Globe Valve
• Flow Direction: Bidirectional
• Standard: GB
• Application: Industrial Usage, Water Industrial Usage
• Transport Package: Wooden Case
• Specification: PN16-PN64, DN20-DN450
• Trademark: HUIZHENG
• Origin: China
• HS Code: 8481804090
• Production Capacity: 5000000sets/Year

Product Description

Silence check valve

The function of an muffler check valve is to stop the flow in the opposite direction, allowing the medium to flow in only one direction.Normally the valve works automatically and the disc opens under pressure from a flow of fluid in one direction.Flow in the opposite direction, by the fluid pressure and disc self - coincidence disc on the seat, thereby cutting off the flow.Not suitable for media containing solid particles and high viscosity.

Silent Check Valve is desgin with BS EN 1074-3 or BS EN 12334 or BS 5163 Standard. The silent check valve have advantage as below:

- Reasonable and Streamlined Design
- Small nosize for direct flow or backflow
- 0.2 Bar Head Loss 
- Integral body and flow guide
- Disc with full rubber coated
 
1- Body/Bonnet: GGG40/50                 2- Seat/Stem/Spring: SS304
 
3- Bushes: C61900                                    4- DISC: GGG40/50 + EPDM Coating
 
5- Epoxy Resin coating internal & external, thickness above 300 micron
 
6- Work pressure: PN10/16/25; Size range: 2" to 24"

7- Connection acc. to EN1074, BS5163, ISO 7259



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