Cameron DEMCO Butterfly Valve, NF-C
Images are representations only.

DEMCO NF-C Butterfly Valve

Brand: Cameron
Request Information
Favorite

Cameron DEMCO Butterfly Valve, NF-C
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
  • Bi-directional sealing
  • Integral flange seal
  • ASME class 150 rating
  • Multiple pressure ratings

View Details

Specifications

Brand

Approvals & Certifications

  • MSS-SP-25
  • MSS-SP-44

Approvals & Certifications

  • ABS

Bearing Material

  • Bronze - Upper & Lower Bearing, Thrust Collar

Cap Material

  • Ductile Iron

Disc Material

  • 316 Stainless Steel
  • Aluminum Bronze
  • Monel
  • Nickel-Plated Iron
  • PVF-Coated Ductile Iron

Enclosure, Body Details

  • Lug
  • Wafer

Enclosure, Body Material

  • Aluminum Bronze (Lug)
  • Cast Iron (Wafer)
  • Ductile Iron (Wafer or Lug)
  • Stainless Steel (Lug)
  • Steel (Lug)

Flange Size - 14” (DN 350)

  • 14” (DN 350) - 150# ASME

Flange Size - 16” (DN 400)

  • 16” (DN 400) - 150# ASME

Flange Size - 18” (DN 450)

  • 18” (DN 450) - 150# ASME

Flange Size - 20” (DN 500)

  • 20” (DN 500) - 150# ASME

Flange Size - 24” (DN 600)

  • 24” (DN 600) - 150# ASME

Flange Size - 30” (DN 750)

  • 30” (DN 750) - 150# ASME

Flange Size - 36” (DN 900)

  • 36” (DN 900) - 150# ASME

Flow Rate

  • 500 to 70,000 Cv

Materials of Construction

  • Retainer (Spacer), Key: Stainless Steel
  • Spacer: Steel

O-Ring Material

  • Buna-N - Top, Stem

Operating Temperature

  • -34° to 204° C (-30° to 300° F)

Pressure Range

  • psi: 0 to 150 (kPa: 0 to 1,000, bar: 0 to 10)

Process Connection Style

  • Lug
  • Wafer

Screw Material

  • 18-8 Stainless Steel - Disc, Set Screw
  • Carbon Steel - Lock Washer

Seat / Seal Material

  • Seat Elastomer: Black Neoprene
  • Seat Elastomer: Buna-N
  • Seat Elastomer: EPDM
  • Seat Elastomer: FKM
  • Seat Elastomer: Hypalon

Spring Material

  • Spring Pin: Stainless Steel

Stem Material

  • 316 Stainless Steel
  • 416 Stainless Steel
  • Monel

Torque

  • 1,660 to 67,500 In/Lbs

Valve Size

  • 14” to 36” (350 to 900 mm)

  • Chemical and Petrochemical
  • Agriculture
  • Oil and Gas Drilling and Production
  • Food and Beverage
  • Water and Waste Water
  • Cooling Towers (HVAC)
  • Power
  • Mining and Materials
  • Dry Bulk Handling
  • Marine and Government

Documentation

show more