DEMCO Butterfly Valve Lug type and Wafer Type

DEMCO NE-C style Available in sizes 2”-12”, wafer and lug design

General style with flange locating holes 2”-64” Wafer and Lug type available, soft seal & hard seal, Handle and wheel operation

BETTER Butterfly valves available in 2’-12” DN50-DN300, Equivalent to DEMCO NE-C series BFV.

Water and Lug design, identical with NE-C style 2”-12”

10 position locking handle

One piece body to assure high strength and minimum weight, cast in water and lug pattern, rating at ANSI Class 150 (285 psi non-shock)

Top flange with large mounting area for automatic or manual actuators

Disc & seat are configured for low pressure drop and high flow coefficients

Replaceable seat in a wide range of materials of NBR, VITON, EPDM or upon request

Three drop tight pressure ratings 285psi, 200psi, 50psi; 200psi shutoff is widely used;

Bi-directional with identical flow-way from either face, easy installation & disassembly, inspection, replacement of parts;

Application in chemical plants, processing plants, power plants, refineries, shipbuilding, pulp and paper mills, also for heating, ventilation and air condition.

Low cost and light weight to low pressure water, oil, stream, gas and slurry application.

Material available:

Body- Ductile iron, Cast Iron

Stem-416SS

Disc-316SS, Aluminum Bronze, Nickle plated Ductile Iron

Seat-Buna-N, Viton, EPDM, Black Neoprene, Hypalon, Natural Rubber, While Neoprene, or special on request

Temperature within resilient seat limits

Buna-N, 0-180 F°, for hydrocarbon or petroleum

Black Neoprene & While Neoprene, 0-180 F°, for food, beverage, vegetable oil, oxygen

Viton,