Stainless Steel Y-Type Swing Check Valve

NSV Stainless Steel Y-Type Swing Check Valve

The NSV stainless steel Y-type swing check valve features a Y-shaped flow path and a swing disc design, allowing media to flow nearly straight through-significantly reducing turbulence and pressure drop. It opens and closes automatically based on line pressure, effectively preventing backflow and protecting pumps, compressors, and other critical equipment. The all-stainless construction ensures corrosion resistance and fluid purity, making it ideal for demanding industrial processes.

Key Features

• Valve type: Y-type swing check valve

• Body material: Cast stainless steel - SS304(L) / SS316(L), etc.

• Sealing: Metal-to-metal hard seal

• End connection: Flanged (RF/FF) or Butt-Weld (BW)

• Actuation: Automatic (no external drive)

• Operating temperature: -20°C to 450°C

• Pressure rating: Class 150–1500 (PN16–PN250)

• Size range: 2"–20" (DN50–DN500)

Performance Advantages

shaped flow path minimizes energy loss; swing disc responds quickly with low cracking pressure;

All-stainless construction ensures corrosion resistance and purity;

Lightweight disc reduces water hammer;

Metal seal withstands high temperatures reliably;

Suitable for horizontal or inclined piping installations.

Typical Applications

Pump discharge backflow protection, compressor exhaust lines, steam return systems, chemical process recirculation loops, high-purity water or clean fluid transfer.

Quality Assurance

Shell and seat tested per API 598 / ISO 5208. EN 10204 3.1 Material Test Certificate provided. Cast bodies comply with ASTM A351 standard, radiographic or ultrasonic inspection available upon request.

FAQ

1. Q:How can I get your company catalog?

A: For your reference, basic catalogue is same as "Download>E-Catalog" of homepage. If you need printed material or request more specific data like PQ material, please contact sales team.

2. Q:Does your company have any agent/distributor with the exception of China?

A: At present,we have agent in Indonesia,Singapore,Canada,Mexico,Iraq,and welcome contact us if you would like to join us.

Q:Do you have customized valve?

A:Yes,we can supply customized valves.

4. Q:What's the packing for shipping?

A:Its carton for small valves(sample) and plywood case(don't to fumigate).

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