WC9 Safety Valve

NSV WC9 Safety Valve

The NSV WC9 safety valve is cast from ASTM A217 WC9 alloy steel for high temperature and high pressure service. It features a spring loaded full lift design with lever assist, ensuring rapid opening at set pressure and reliable reseating for overpressure protection in steam and thermal oil systems.

Key Features

Body material: ASTM A217 WC9
Nominal size: DN50–DN200 (2"–8")
Pressure rating: ANSI Class 300 / 600 / 900 / 1500
Operating temperature: -29°C to +540°C
Valve type: Full-lift spring safety valve with lever assist
Sealing: Metal-to-metal seat with Stellite hardfacing
End connection: Flanged per ANSI B16.5 / B16.47
Operation: Automatic opening, spring-controlled
Standards: ASME Section I, API 526, ASME B16.34

Typical Applications
Power plant boilers, industrial steam systems, pressure vessels, petrochemical plants, thermal networks.

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: Do u provide sample,is it free or extra ?

A: Yes, we could offer the sample, due to its value,we can supply free sample that small value and you afford the freight,but also welcome visit our factory to inspect quality.