Main features: Overall welding combination, no external leakage or other phenomena, suitable for long-distance pipeline buried conditions and harsh external leakage requirements. Widely used in various pipeline equipment such as urban gas, urban heating, petrochemicals, shipbuilding, steel, pressure regulating stations, power plants, etc.
Design standards: API 6D API 608 ISO 17292
Product range:
1. Pressure range: CLASS 150Lb〜2500Lb
2. Nominal diameter: NPS 2〜60“
3. Body materials: carbon steel, stainless steel, duplex stainless steel, alloy steel, nickel alloy
4. Terminal connection: RF RTJ BW
5. Operation mode: lever, gearbox, electric, pneumatic, hydraulic device, pneumatic hydraulic device;
Product features:
1. Low flow resistance;
2. Piston seat, fire safety, anti-static design;
3. There are no restrictions on the flow direction;
When the valve is in the fully open position, the surface of the valve seat is exposed to external water flow and is always in full contact with the gate plate, which can protect the surface of the valve seat and is suitable for pipe cleaning;
5. Spring type packing is optional
6. Low emission fillers can be selected according to the requirements of ISO 15848;
7. Stem extension design can be selected;
8. Metal to metal seat design is optional
9. DBB, DIB-1, and DIB-2 structures are optional;
10. The ball is fixed with a support plate and a fixed shaft;
11. Single welding or double welding design can be selected.