Main features: integral welding combination, no external leakage, etc., especially suitable for long-distance pipeline buried conditions and conditions with strict requirements on external leakage. Widely used in various pipeline equipment such as urban gas, urban heating, petrochemical, 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 Material: Carbon Steel, Stainless Steel, Duplex Stainless Steel, Alloy Steel, Nickel Alloy
4. Terminal Connection: RF RTJ BW
5. Operation Mode: Lever, Gear Box, Electric, Pneumatic, Hydraulic Device, Pneumatic Hydraulic Device;
Product Features:
1. Small flow resistance;
2. Piston seat, fire safety, anti-static design;
3. No restriction on flow direction;
4. When the valve is in the fully open position, the seat surface is the external water flow, which is always in full contact with the gate, which can protect the seat surface and is suitable for cleaning;
5. Spring-type packing is optional
6. Low emission packing can be made according to ISO 15848 requirements to choose;
7. Stem extension design can be selected;
8. Metal to metal seat design is optional
9. DBB, DIB-1, DIB-2 structure is optional;
10. Ball fixed with support plate and fixed shaft;
11. Single weld or double weld design can be selected.