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Ductile iron and QT centerline butterfly valves lug type, Long service life
Description:
1 . Mounting Flange: ISO5211 mounting flange accommodates direct mouting of all types of actuatores, including handles, gear operators, electric and pneumatic.
2 . Stem Configuration: The connecting key holds a high accuracy and a heavy strength suitable for both operation handle installation and actuators.
3 . Bushing: Stem bushing reduces torque and isolates the stem from the valve body, preventing seizure of the stem due to corrosion in the stem journal.
4 . One-Piece Thru Shaft: Ensures dependability and positive disc positioning.
5 . Smooth Finished Disc : The valve disc of a high precision polishing treated, highly precisely matched with the seat ring, of a good tighness, no leakage at the shaft. Provides bubble-tight shut-off and assures minimum torque and longer seat life
6 . Precision Taper Pin: Ensure positve, vibration proof, shaft to disc connction. Field replaceable.
7 . Seat: Phenolic-back seat is non-collapsible, stretch resistant, blow out proof, and field replaceable.
Specifications:
Material of main Parts | Body | Cast Iron ,Ductile Iron, Carbon Steel, Stainless Steel |
Disc | DI with Nickel , Stainless Steel, Aluminium bronze, Cast Iron | |
Shaft | SS410,Stainless Steel | |
Seat | NBR, EPDM, PTFE | |
Packing | Graphite or PTFE | |
Working Temperature | 0 to 150 ℃ | |
Operation | Lever, Gear box, Pneumatic, Electric actuator | |
Working Medium | Water, Oil, Gas, Steam |
Typical Application:
1 . Checmical
2 . Petrochemical processing
3 . Food and Beverage
4 . Power and Utilities
5 . Pulp and Paper