Cameron DEMCO Butterfly Valve Accessory, Worm Gear Operator
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Worm Gear Operator DEMCO Butterfly Valve Accessory

Brand: Cameron
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Acclaimed 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

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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)

Documentation

Data Sheets

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