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Triple offset butterfly valve
OMIE Triple offset bufferfly valves (TOV) have three separate offsets, Two offsets are placed from the center while the third is on the seating surface which creates a cone type shape of the disc and seat. These valves are used mostly in applications where a tight bubble shut-off is required, a high temperature is expected or hard sealing surfaces are required with zero leakage(soft seat) or rated leakage(metal seat).
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Details
Design
OMIE Triple offset bufferfly valves (TOV) have three separate offsets, Two offsets are placed from the center while the third is on the seating surface which creates a cone type shape of the disc and seat. These valves are used mostly in applications where a tight bubble shut-off is required, a high temperature is expected or hard sealing surfaces are required with zero leakage(soft seat) or rated leakage(metal seat).
Range of Materials
Standard body/bonnet materials include nine grades of carbon, low alloy and stainless steel, for special applications they can be supplied in other grades of ally and stainless steel, there’s a full range of trim materials to match any service optional packing and gasket materials are available for a full range of service conditions.
Applicable Standards
● DESIGN STANDARD:MSS SP-67, API 609 Category A
● FACE TO FACEMSS SP-67, API 609 Category A, EN 558
● END FLANGES,ASME B16.1 Class 125, ASME B16.5 Class 150, EN 1092 PN10
● INSPECTION AND TEST：MSS SP-61, API 598, EN 12266-1
● TEMPERATURE:-30°C to 200°C
Design descriptions
● FULL PORT,LIGHT WEIGHT DESIGN
● METAL SEAT OR SOFT SEAT DESIGN
● ISO 5211 MOUNTING PAD AVAILABLE
● FLANGED OR WAFER ENDS
● AVAILABLE WITH WORM GEAR OPERATOR,ELECTICAL,PNEUMATIC,HYDROLIC ACTUATOR
