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STW:
Wafer
Style
STL:
Lug
Style
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The ST
is a Resilient Seated 125/150, Ductile Iron, automated butterfly
valve, wafer style (STW) and lug style (STL) Valve is available with either
EPDM or Buna-N seat. It can be equipped with a manual handle or with
pneumatic or electric actuators. A full range of accessory items are available
including limit switches, solenoid valves, positioners and manual override
devices.
- Economy & high performance
- Long neck design
- One-piece body constuction
- One-piece shaft design
- Seat facing acts as flange gasket
- 3 shaft bushings support actuation
- Shaft sealing against external leakage
- Complete line of accessories
- Meets MSS SP-67 and API-609 specs.
- Seat - EPDM or BUNA-N
- Disc - 316 SS
- Body - Ductile Iron
- Electric
- Pneumatic (spring return)
- Pneumatic (double acting)
- Manual Handle Lever
- Manual Geared Hand Wheel
- Manual Handle with Limit Switch
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Temperature Range:
- 10 to 180°F (BUNA-N seat)
- -30 to 275°F (EPDM seat)
Max. Pressure:
- 200 PSIG
- 2" to 12" Wafer Flange
- 2" to 24 " Lugged Flange
- Water treatment
- Waste effluent treatment plants
- Paper industry
- Sugar industry
- Construction industry
- Drilling production
- Heating and air conditioning
- Cooling water circulation
- Pneumatic conveyors
- Compressed air
- Gas plants
- Desulphurization plants
- Textiles
- Brewing/distilling
- Transportation
- Dry bulk handling
- Power industry
- Chemical process industry
- Vacuum
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