National Standard Gate Valve

Product Overview: Gate valves are widely used in pipelines carrying media such as metallurgy, power, petrochemicals, gas, combustible gases, and water supply and drainage, including seawater desalination, air separation, high and medium pressure condensate, gas, and oil products, to cut off or connect pipeline media.

Product parameters:

Size range: 1/2"~42" (DN15~DN1050)

Pressure rating: ASME 150~2500LB (PN16~PN420) Temperature range: -46℃~600℃

>Connection method: flange, welding, thread, etc.

Main materials: carbon steel, stainless steel, duplex steel, alloy steel, etc.

>Sealing surface hardening treatment method: surfacing Stellite alloy and nickel-based alloy

Operation methods: manual, electric, pneumatic, etc.

Product standards:

Design standard: GB/T 12234

Structural length: GB/T 12221

Connection flange: GB/T 9124

Testing and inspection: GB/T 26480