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Worm Gear Operator DEMCO Butterfly Valve Accessory
Brand: CameronAcclaimed as one of the most durable of all resilient-seated butterfly valves in the industry, this valve excels in a wide variety of applications. Cast in both wafer and tapped-lug patterns in a wide variety of material choices, DEMCO butterfly valve features a one-piece body for reduced weight and increased strength. The unique stem-hole design in the disc ensures a dry stem journal, and the hard-backed seat allows ease of installation, reliable operation, and is field-replaceable without special tools. The DEMCO butterfly valve is available in sizes 2" through 36" (50 mm through 900 mm). Engineered for long-term, maintenance-free performance, the DEMCO butterfly valve is commonly selected for a variety of applications spanning a wide range of industries. Features:
- Manual worm gear operators are self-locking in all positions
- Adjustment screws stop travel at open and closed positions
- Position indicator is standard on all models
- Gearing is permanently lubricated
- Gray iron weatherproof case and cover enclose a ductile iron gear and hardened steel worm supported by bronze bearings
- Standard external coating is green enamel
- White epoxy, coal tar epoxy and inorganic zinc primer are available upon special request
Specifications
Brand
Applications
- Agriculture
- Chemical & Petrochemical
- Cooling Towers (HVAC)
- Dry Bulk Handling
- Food & Beverage
- Marine & Government
- Mining & Materials
- Oil & Gas Drilling & Production
- Power
- Water & Wastewater
Approvals & Certifications
- MSS-SP-25
Approvals & Certifications
- ABS
Flange Size - 10" (DN250)
- 10" (DN250) - 150# (ASME)
Flange Size - 12" (DN300)
- 12" (DN300) - 150# (ASME)
Flange Size - 14" (DN350)
- 14" (DN350) - 150# (ASME)
Flange Size - 16" (DN400)
- 16" (DN400) - 150# (ASME)
Flange Size - 18" (DN450)
- 18" (DN450) - 150# (ASME)
Flange Size - 2" (DN50)
- 2" (DN50) - 150# (ASME)
Flange Size - 20" (DN500)
- 20" (DN500) - 150# (ASME)
Flange Size - 24" (DN600)
- 24" (DN600) - 150# (ASME)
Flange Size - 3" (DN80)
- 3" (DN80) - 150# (ASME)
Flange Size - 30" (DN750)
- 30" (DN750) - 150# (ASME)
Flange Size - 36" (DN900)
- 36" (DN900) - 150# (ASME)
Flange Size - 4" (DN100)
- 4" (DN100) - 150# (ASME)
Flange Size - 5" (DN125)
- 5" (DN125) - 150# (ASME)
Flange Size - 6" (DN150)
- 6" (DN150) - 150# (ASME)
Flange Size - 8" (DN200)
- 8" (DN200) - 150# (ASME)
Flow Rate
- 6 to 70,000 Cv
Materials of Construction
- Gray Iron - Case Material
Ratio
- 240:1 - Gear
- 30:1 - Gear
- 316:1 - Gear
- 48:1 - Gear
- 57:1 - Gear
- 60:1 - Gear
Rotation
- 90°
Torque
- 552 to 2,088 In/Lbs - Maximum
Valve Size
- 2" to 36" (50 to 900 mm)
