Pressure Seal Gate Valve

NSV Valve Corporation is one of the most reliable manufacturers and suppliers of pressure seal gate valve in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to buy advanced pressure seal gate valve made in China here from our factory.

NSV Pressure Seal Gate Valve

The NSV pressure seal gate valve features a self-energizing seal that tightens automatically with increasing system pressure, ensuring bidirectional zero leakage. Cast in carbon steel (WCB/LCC) and compliant with API 600, it is rated for Class 600–2500 (PN100–PN420), up to 540°C, with end connections available in flanged (RF/RTJ) or butt-weld (BW). Ideal for critical isolation in refineries, chemical plants, power stations, and pipeline systems.

Key Features

Valve Type: Pressure Seal Wedge Gate Valve

Body Material: WCB / LCC (Carbon Steel)

Sealing Type: Pressure Seal (self-energizing)

Actuation: Handwheel (electric/pneumatic optional)

End Connection: Flanged (RF / RTJ) or Butt-Weld (BW)

Size Range: 2"–48" (DN50–DN1200)

Pressure Rating: Class 600–2500 (PN100–PN420)

Operating Temperature: –29°C to 540°C

Standards: API 600, ASME B16.34, ISO 5208

Typical Applications

High-pressure steam lines, boiler feedwater mains, hydrotreater feed lines, LNG high-pressure vapor service, oil & gas trunklines, and supercritical power plant systems.

FAQ

1. Q:Are you manufacturer or trading company?

A: We're manufacturer,but our factory name is not named NSV due to we're professional in promotion NSV brand with best service,and also have sold to many end user success.

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.

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