Hydraulic butterfly check valve

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Hydraulic butterfly check valve, hydraulic check valve, with counterweight and hydraulic station

Design standard
: BS EN593
Face to face length : EN558-1/ISO5752 series 14 (DIN3202 F4)
Flange dimension and drilling : EN1092/ISO5752(DIN2501), or other as request
Size: DN400 – DN2000/ 16"-80"
Pressure rating: PN10-PN16-PN25-PN40
Application: water industry, municipal engineering, water conservancy project, drinking water engineering, and pump station etc. 

Valve features:
►1. Flange
Flange and drilling according to EN1092-2, face to face as per ISO5752 series 14
►2. Disc
Streamlined low profile disc ensures the 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 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 connect with actuator
►7. Top flange
ISO 5211 top flange connect with gearbox
►8. O ring
Multiple shaft O rings provide long life and reliable sealing performance, which is easy to adjusted or replace
►9. Seal ring
T profiled disc seal ring fixed by retainer ensures the reliable sealing performance in both direction, which is also easy to adjusted or replaced without any special tools
►10. Performance
This valve is with hydraulic equipment, to install in the outlet of the pump to protect the pump station

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