Compact structure, reasonable design, good valve rigidity, smooth channel, and low flow resistance coefficient;
The sealing surface is made of stainless steel and hard alloy, with a long service life;
Using flexible graphite packing, reliable sealing, and easy and flexible operation;
Drive forms: manual, electric, gear transmission;
Structural forms: elastic wedge single gate, rigid wedge single gate, and double gate types;
Widely used as an opening and closing device for connecting or cutting off the medium in oil and steam pipelines in petrochemicals, thermal power plants, and other industries.