Description
Double Eccentric Butterfly Valve
Design standard: BS EN593
Face-to-face length : EN558-1/ISO5752 series 15
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.
Overview:
►1.Flange and drilling to EN1092-2, face to face as per ISO5752 series 15.
►2. Disc 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.
►7. Top flange ISO 5211 top flange connects with gearbox or actuator.
►8. O ring Multiple shaft O rings provide long life and reliable sealing performance, which is easy to be adjusted or replaced.
►9. Seal ring Stainless Steel
►10. With bypass valve
