Carbon Steel Y-Type Swing Check Valve

NSV Carbon Steel Y-Type Swing Check Valve

The NSV carbon 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. Suitable for high-temperature, medium-to-high-pressure steam, oil, and non-corrosive services, with robust construction and reliable performance.

Key Features

Valve type: Y-type swing check valve

Body material: Cast carbon steel--WCB, WC9, etc.

Sealing: Metal-to-metal hard seal

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

Actuation: Automatic

Operating temperature: -29°C to 540°C (depending on material)

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

Cast carbon steel offers high strength and thermal stability

Metal seal suitable for high-temperature steam or hot oil

Lightweight disc reduces water hammer

Suitable for horizontal or inclined installations

Typical Applications

Power plant main steam lines, boiler feedwater systems, petrochemical high-temperature oil piping, district heating networks, compressor discharge backflow protection.

Quality Assurance

Shell and seat tested per API 598 / ISO 5208. EN 10204 3.1 Material Test Certificate provided. Cast bodies comply with ASTM A216 (WCB) or ASTM A217 (WC9) standards, radiographic or ultrasonic inspection available upon request.

FAQ

1. Q:Do you have customized valve?

A:Yes,we can supply customized valves.

2. Q: What kinds of valves do you manufacture?

A: We usually manufacture valves made of various materials such as cast Iron/ carbon steel,stainless steel,Alloy steel and industrial valves such as ball, gate, globe, check, bellows seal and ETC. For detail information, please refer to " Download>E-Catalog" of homepage.
3. Q:What's the packing for shipping?

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

4. 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.

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