DEMCO Valves

Series DM Gate Valves

DEMCO Series DM Gate Valves, the premier designed Gate Valve in the oil and gas drilling market, specifically engineered for the rigorous requirements of oilfield applications.

Designed for dependable, heavy duty performance in abrasive service conditions, DEMCO DM gate valves are commonly selected for a number of oilfield applications, including:

  • Drilling standpipe manifold
  • Pump manifold block valves
  • High pressure mud mixing lines
  • High pressure drilling system block valves
  • Wellheads
  • Well treating and frac service
  • Production manifolds
  • Production gathering systems
  • Production flow lines
Features and Benefits:
  • In-line field repairability
  • Flexible trim offerings
  • Double acting thread design for fast operation
The DEMCO Series DM Gate Valves are available in ASME Classes 400, 600, 900

Butterfly Valves

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 valves feature a one-piece body for minimum weight and maximum 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. DEMCO butterfly valves are available in sizes 2 in.
through 36 in. (50 mm through 900 mm).

Engineered for long-term, maintenance-free performance,
DEMCO butterfly valves are commonly selected for a variety
of applications spanning a wide range of industries:

  • 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