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Product Details:
Payment & Shipping Terms:
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| Operation: | Worm Gear | Working Pressure: | Class150/300/600/900Lb |
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| Body Configuration: | Wafer, Lug, Double Flange | Size Rating: | 2" To 60" |
| Seat Material: | Laminated Disc Seal | Body Seat: | CoCr Alloy Deposited |
| High Light: | triple offset butterfly valve,double eccentric butterfly valve |
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High Pressure High Temperature Metal Seated Worm Gear Three Eccentric Butterfly Valve For Steam Applications
Quick Info:
• Sizes from 3” to 157” and 80 mm to 4 000 mm
• Operating pressures from PN 2.5 to PN 250 and CL 125 to CL 1 500
• Operating temperatures from cryogenic to +1 000°Celcius
(both cold and non-cold box designs supplied for cryogenic operation)
• Available configurations include:
wafer, lugged, double flanged, buttweld or cryogenic
• Stainless steel and alloy butterfly valves
• High temperature butterfly valves
• High pressure butterfly valves
The Triple-Offset Geometry
OFFSET 1: The shaft is offset behind the seat axis to allow complete sealing contact around the entire seat.
OFFSET2: The shaft centerline is offset from the pipe and valve which provides interference free opening and closing of the valve.
OFFSET3: The seat cone axis is offset from the shaft centerline to eliminate friction during closing and opening and to achieve uniform compressive sealing around the entire seat.
Design Features:
CoCr alloy hardfaced seat
Standard laminated resilient disc seal to 425 ℃
Zero Leakage seat tightness per API598
No cavity for build-up of solids.
One-piece shaft
Shaft bearings
Low emission shaft seals
Contact Person: sales
Tel: +8613660157288
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