National standard gate valve

Product Overview: Gate valves are widely used in metallurgy, electric power, petrochemical, gas, combustible gas, water supply and drainage and other media pipelines, such as seawater desalination, air separation, high and medium pressure condensate, gas, oil and other working conditions, used to cut off or connect the pipeline medium.

Specifications:

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

> Pressure Rating: ASME 150~2500LB(PN16~PN420) > temperature range: -46°C~600°C

> connection methods: flange, welding, threading, etc

> main material: carbon steel, stainless steel, duplex steel, alloy steel, etc

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

> operation mode: manual, electric, pneumatic, etc

Product Standards:

Design standard: GB/T 12234

Structure length: GB/T 12221

Connecting flange: GB/T 9124

Test and inspection: GB/T 26480