Description
Concentric Flange Butterfly Valve
Features:
. Pinless design for better operation without components loose and leakage during operation.
. EPDM/NBR rubber on the valve body ensures full corrosion resistance.
. The body is coated with epoxy resin for corrosion resistance to maximize service life.
. Butterfly valves are standard with a hard back seat. No movement of the seat which results in a constant torque, and:
– Dimensionally stable seat sealing surface
– Minimal seat wear, extending seat life
– Blow-out proof seat- Easily fi eld replaceable
– One-piece phonetic backing seat has an integral O-ring seal for upper and lower valve shafts. Work with disc edge hub to provide a double stem seal.
. The top flange meets ISO 5211.
. Rigid design aluminum lever
. Bi-directional tight shut-off closure.
. Meets ISO 5752/DIN 3202/EN 593/BS 5155/
Size Range: DN100-1200mm
Ratings: 1.0Mpa; 1.6Mpa
Working Temperature: -10℃ ~120℃
Service Fields:
General water supply, HVAC, water treatment, fire fighting, chemical system, industry, etc.