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  • Rubber seated butterfly valve
  • Rubber seated butterfly valve
  • Rubber seated butterfly valve

Rubber seated butterfly valve

  • Design standard: BS EN593
  • Face to face length: EN558-1/ISO5752 series 14 (DIN3202 F4)/ISO5752 series 13
  • Flange dimension and drill: BS EN1092/BS4504 (DIN2501)
  • Pressure rating: PN6- PN10-PN16-PN25-PN40

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D-41Xb rubber seated Butterfly Valve, double eccentric disc design, double flange, series 14 or series 13
Design standard: BS EN593
Face to face length : EN558-1/ISO5752 series 14 (DIN3202 F4) / ISO5752 series 13
Flange dimension and drill : BS EN1092/BS4504 (DIN2501)
Size: DN100 – DN4000/ 4"  – 160"
Pressure rating:PN6- PN10-PN16-PN25-PN40
Application: water, drinking water, sewage, low-corrosive liquid etc.

Overview:
►1.Flange
Flange and drilling to EN1092-2, face to face as per ISO5752 series 14 or ISO5752 series 13. 
►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 or actuator.
►8. O ring
Multiple shaft O rings provide long life and reliable sealing performance, which is easy to be 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 be adjusted or replaced without any special tools
Name Material
Body GJS500-7/ GJS400-15 
Disc GJS500-7/ GJS400-15 
Shaft SS420/SS431/Duplex 1.4462
Body seal ring SS304
Disc seal ring EPDM
Shaft bearing Al-bronze
Retainer ring Carbon steel +epoxy/ SS304
O ring EPDM
Pin SS420
Packing gland Carbon steel +epoxy
End cover Carbon steel +epoxy
Key SS420
Connection flange Carbon steel +epoxy
(Other Material are available on request)
Size: DN100 – DN4000/ 4" – 160"
Pressure: PN6-PN10-PN16-PN25-PN40
Coating: fusion bonded epoxy coating min. thickness 250 micron.
Suitable medium: water, drinking water, sewage, lower-corrosive liquid etc.
Suitable temperature:-10-120℃

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