FBLC – Concentric Flange Butterfly Valve
Concentric Flange Butterfly Valve
Spec Sheet: FBLC – Concentric Flange Butterfly Valve
FBLC is a resilient seated butterfly valve, with an EPDM/NBR rubber seat on the valve body. The rubber sealing provides both sides bubble-tight shut off and the pinless design provides stronger and fixed connections between the shaft and disc that ensure the stem stays firm during operation.
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: 10 Bar; 16 Bar
Working Temperature: -10℃ ~120℃
Service Fields:
General water supply, HVAC, water treatment, fire fighting, chemical system, industry, etc.
Specifications
| Size Range | DN50 to DN1200 |
|---|---|
| Pressure Rating | PN10 / PN16 |
| Temperature Range | -10°C to 120°C |
| Design Standard | BS 5155 / ISO 5752 |
| Body Material | Ductile Iron |
| Disc Material | Ductile Iron |
| Seat | Rubber |
| End Connections | Flanged |


