Underground Extend Stem Fully Welded Body Ball Valve Antistatic
Product Description
Due to the fully Welded Ball Valve valve seat is composed of a carbonized sealing ring and
a disc spring, it has strong adaptability to changes in pressure and temperature, and will not produce
any leakage within the marked pressure and temperature range.
General Design Features
Fully welded body | Sealant injection fitting for emergency stem&seat sealing |
Spring energized seats | ISO5211 Mounting pad for actuator or gear operator |
Metal or soft seated | Removable stem seal under full line pressure in fully opened or closed position |
Double Block and Bleed | Antistatic device for grounding of the ball, stem and body |
Full or reduced bore | Self-lubricated bearings in accordance with API6D, API6FA, BS6755 and NACE01-75(latest edition) |
Flanged or welded ends | Trunnion supported design reduces operating torque |
Blow-out proof trunnion stem design | 8″& above valves are equipped with lifting lugs |
Corrosion resistant low friction bearing | Two sets of O-ring plus fireproof stem packing prevent leakage |
Design Features
Anti-Blowout Stem Design,Emergency Sealant Injection System,Emergency Seat Seal,Heavy Duty Bearings,
Double Sealed shell Connections,Antistatic Device,Extend Stem
Application
Petroleum/gasoline, LIQUEFIED natural gas/liquefied petroleum gas, petrochemicals, steel plants, heating pipelines
About Us
We are professional valve manufature in China.Company has passed API and TS certification.Our main produces
valves of ANSI, DIN,and other standards. Valves are widely used in water, oil, natural gas, petroleum, chemical,
urban pipe network and other fields.
Plant and Machinery
General lathe, horizontal lathe, CNC lathe, boring machine, CNC drilling machine, sawing machine.etc.
Shipping:By Sea,By Air