DEMCO Butterfly Valve
DEMCO butterfly valve heavy-duty performance in abrasive and corrosive service conditions, are commonly selected for a number of oilfield applications, including drilling and production. Butterfly-style DEMCO valves come in a variety of styles to suit a range of applications. In addition, a variety of quality accessories are available to further enhance its suitability to the application.
Series NE-C
Sizes 2 to 12 in [50 to 300 mm] are available in both wafer and lug styles.
This series is a general-purpose valve with a neck length designed to
provide full clearance for the valve top over 2 in of insulation on ASME Class 150 pipe flanges.
Series NE-I
The valves in this series can be made in sizes 2 to 12 in [50 to 300 mm].
The Series NE-D valve is a short-neck valve with body notches to fit
popular, lightweight flange patterns, making it ideal for both the bulk material handling and the transportation industries. Valves also will center in ASME Class 125 and 150 flanges.
The valves are designed for installation bet
Series NE-D
The valves in this series can be made in sizes 2 to 12 in [50 to 300 mm].
The Series NE-D valve is a short-neck valve with body notches to fit
popular, lightweight flange patterns, making it ideal for both the bulk material handling and the transportation industries. Valves also will center in ASME Class 125 and 150 flanges.
The valves are designed for installation between ASME Class 125 and
150 flanges. The Series NE-D valve is also available with the short-pattern version (NE-D SP).
Series NF-C
Sizes 14 to 36 in [350 to 900 mm] are available in both wafer and lug styles.
The wafer body has two drilled locator lugs at the top and bottom for ASME Class 150 flanges. Bronze bearings are installed on both stems for reduced operating torque
