Triple Offset Butterfly Valve Ductile Iron Butterfly Valves

Triple Offset Butterfly Valve Ductile Iron Butterfly Valves

In Triple Offset design Butterfly Valve the third offset created by the geometry design of the seating surface. The seat is machined into an offset conical profile resulting in a right-angled cone.

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Specification of this Triple Offset Butterfly Valve Ductile Iron Butterfly Valves

In Triple Offset design Butterfly Valve the third offset created by the geometry design of the seating surface. The seat is machined into an offset conical profile resulting in a right-angled cone.

This ensures frictionless stroking throughout its operating cycle. Contact is only made at the final point of closure with the 90° angle acting as a mechanical stop; Metal seated valve use triple offset design.

Triple Offset Butterfly Valves are widely used in many industries such as Oil & Gas, Chemical & coal, petrochemical, desalination plants, waterworks, fossils, district heating, nuclear, Iron & Steel, Mining, automotive, shipyards, aerospace. 

Parameters of this Triple Offset Butterfly Valve Ductile Iron Butterfly Valves
Connection: Double flange
Size: 3″-80″ for PN10,PN16,Class150; 3″-48″ for PN25,PN40,Class300; 3″-24″ for Class600
Pressure: PN10,PN16,PN25,PN40,Class150,Class300,Class600
Flange standard: ASME B16.5 Class150,Class300,Class600; EN1092 PN16,PN25,PN40
Face to face: ISO 5752, ASME B16.10, API609 Double flanged short pattern
Pressure test: API 598, ISO 5208 Rate A, ANSI B16.104(ANSI/FCI 70-2)Class Ⅵ
Temperature : -29°C to +538°C
Operator: Lever,Gear box,Pneumatic actuator,Electric actuator 
Pictures of this Triple Offset Butterfly Valve Ductile Iron Butterfly Valves
 

  

Product advantage of this Triple Offset Butterfly Valve Ductile Iron Butterfly Valves
1. ISO 5211 bracket for easy mounting of actuators
2.Triple offset and ellipsoidal sealing geometry
3.Bubble tight shut-off
4. Inherently firesafe by design
5. A metal seal ring in Duplex and a highly wear-resistant Stellite grade 21 seat ensure prolonged superior tightness
6. Single piece cast body with face to face dimensions to ISO5752, ASME B16.10 and API 609 double flanged short pattern, guarantees interchangeability with other valve types
7. Extensively hardened bearings, incorporating a standard reinforce, braided, flexible graphite bearing protector, ensure increased reliability
8. Blowout proof devices on shaft keep sure safety of shaft operating
9.Pin-less shaft to disc connection makes the valve convenient for parts replacement and reliable even under corrosion. 

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