Tianjin Future Valve Co., Ltd.
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Future - Model 150 LB -Triple Butterfly Valve
Our Triple Offset Butterfly Valve provides a bi-directional bubble tight shut-off This geometry ensures that the disc seal contacts the body seat only at the final shut-of position without rubbing or galling. providing a torque generated resilient seal with suflicient “wedging to ensure a uniform seal contac
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- Design & manufacture: API 609,ASME B16.34
- Testing inspection: API 598
- Face to Face dimensions:ANSI 609
- Flanged end dimension: ASME B16.5,ASME B16.47A,ASME B16.47B,MSS SP-44,API 605
- Butt-Welded end dimension: ASME B16.25
The Triple Offset Geometry
OFFSET1
the shaft is offset behind the seat axis to allow complete sealing contact around the entire seat
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OFFSET2
The shaft’s centerline is offset from the pipe and valve which provides interference opening and closing of the valve
OFFSET3
The seat cone axis is ofset from the shaft to eliminate ction during closing and opening and to achieve uniform compressive scaling around the entire seat.
- Elastic property of the composite metal sealing ring perform zero leakage
- Torque seal to enst
- The triple offset metal butterfly valve adopts one duo-eccentric structure plus one special obigue-conical elliptic sealing structure, the guaranteed, easy opening or closing is realized