[Product Usage]

The cast steel flange gate valves produced by the group are widely used in petroleum, chemical, thermal power plants, and other oil and steam pipelines as opening and closing devices to connect or cut off the medium in the pipeline.

[Product Features]

1. Compact structure, reasonable design, good valve rigidity, smooth flow path, and small flow coefficient.

2. The sealing surface is made of stainless steel and hard alloy, ensuring a long service life.

3. Flexible graphite packing is used, providing reliable sealing and easy, flexible operation.

4. Driving methods include manual, pneumatic, electric, and gear transmission.

5. Structural forms include flexible wedge single gate, rigid wedge single gate, and double gate types.

[Execution Standards]

Design specification: GB/T 12234

Structure length: GB/T 12221

Connection flange: JB/T 79.1

Test and inspection: JB/T 9092

Pressure-temperature: GB/T 9131

Product identification: GB/T 12220