Welded flange steel gate valves are suitable for cutting off or connecting media on pipelines in various working conditions such as petroleum, chemical, and thermal power plants with nominal pressures ranging from PN10.0 to 25.0Mpa and working temperatures ranging from -29 ℃ to 600 ℃. Welded flange connection steel gate valve is suitable for media such as water, oil, steam, etc. Operation modes include manual, gear transmission, electric, etc. Welding flange connection steel gate valve product structural characteristics.The main gate valves product names of China gate Valve Network include:API Pneumatic Lug&wafer Knife-shaped Gate Valve,API Cryogenic Gate Valve,API Flange Gate Valve,Bevel Gear Slurry ValveElectric Rising Stem Double Disc Parallel Gate Valve,Electric Non-rising Stem Single Disc Wedge Gate Valve,Electric Rising Stem Single Disc Wedge Gate Valve,Electric Wafer Knife-shaped Gate Valve,Electro-hydraulic Wafer Knife-shaped Gate Valve,Electric Slurry ValveElectric Flange Gate Valve,Fire Special Signal Relisient Seat Seal Gate Valve,

1. The welded flange connection steel gate valve meets the requirements of advanced standards at home and abroad, with reliable sealing, excellent performance, and beautiful appearance.

Product standard for welded flange connection steel gate valve

Design and Manufacturing: GB1223

Structural length: GB12221

Pressure and temperature rating: GB9131GB/T74HG20604

Connecting flange: JG/T79GB9113HG20593-20635

Testing and Inspection: GB13927JB/T9092

Material specifications for the main components of welded flange connected steel gate valves

2. The sealing surface of the gate and valve seat is made of iron-based alloy or Stellite cobalt based hard alloy, which is wear-resistant, high-temperature resistant, corrosion-resistant, has good scratch resistance, and has a long service life.

3. The butt welded flange gate valve stem has undergone quenching and surface nitriding treatment, which has good corrosion resistance and abrasion resistance.

4. The gate valve adopts a wedge-shaped elastic gate structure, with rolling bearings installed on the medium and large diameters, resulting in low friction and easy opening and closing.

5. Various piping flange standards and flange sealing surface types can be adopted to meet various engineering needs and user requirements.

Do you still need to know or purchase the following gate valve products: