Bi-directional Rubber Seated Butterfly Valve
butterfly valves

Bi-directional Rubber Seated Butterfly Valve

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Spec Sheet: Alpine ZD Double Eccentric Butterfly Valve PN10-16-25-40

Bi-directional Rubber Seated Butterfly Valve or double eccentric Butterfly Valve, Is a rubber seated design, double flange, applied in the water industry, municipal engineering, water conservancy project, drinking water engineering, etc.

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Description

Bi-directional Rubber Seated Butterfly Valve

Double Eccentric Butterfly Valve DiagramOverview:
►1.Flange
Flange and drilling to EN1092-2, face to face as per ISO5752 series 14 & ISO5752 series 13.
►2.Disc
A streamlined low profile disc ensures lower flow resistance.
►3. Body
Stainless steel welded and finished body seat ensures Reliable and durable performance.
►4. Shaft
Disc to shaft connection by means of a key, or taper pin.
►5. Bearing
Self-lubricating bearing of Al-bronze material, free from maintenance.
►6. Gearbox
Low torque gearbox can be easily operated by hand wheel or connected with an actuator.

Design standard: BS EN593
Face to face length: EN558-1/ISO5752 series 14& ISO5752 series 13
Flange dimension and drill: BS EN1092/BS4504 (DIN2501)
Size: DN100 – DN4000/ 4″-160″
Pressure rating: PN10-PN16-PN25-PN40
Application: water, drinking water, sewage, low-corrosive liquid, etc.

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