DIN 904L Lift Check Valve

NSV DIN 904L Lift Check Valve

The NSV lift check valve is manufactured to DIN 3356 standard with a fully cast 904L (UNS N08904) super austenitic stainless steel body and metal-to-metal seating. Its lift-type disc operates with high responsiveness and fast closure, effectively preventing backflow and water hammer in demanding industrial services.

Key Features

Body material: 904L (UNS N08904, Super Austenitic StainlessSteel)

Nominal size: DN50–DN500

Pressure rating: PN16–PN40

Valve type: Lift check valve

Sealing: Metal seat (Stellite overlay)

End connection: DIN flanged (per EN 1092-2)

Installation: Vertical or horizontal (flow direction marked)

Standards: DIN 3356, EN 10748

Media: Hydrochloric acid, sulfuric acid, phosphoric acid, chloride solutions, seawater, wet H₂S

Typical Applications

Commonly used at chemical reactor outlets, acidic wastewater loops, high-pressure seawater desalination stages, and FGD recirculation lines in power plants.

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 visit your company?

A: We always welcome you to factory. However, your visit intention shall be pure. You can visit factory conveniently by noticing your visit to the department in charge depending on your visit purpose in advance. For the way to factory, please refer to map“About Us” of homepage.