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Flange type rubber seated butterfly valve
Flange type rubber seated butterfly valve

Double flange double eccentric rubber seated butterfly valve Size range:DN100-DN4000 Pressure range: PN6-PN40

Double flange, double eccentric, rubber seated butterfly valve,

1. Size and pressure range:

  Size: DN100-DN4000

  Pressure: PN6-PN40

2. Medium and temp. range:

   Suitable medium: water and low-corrosive liquid etc.

   Suitable temp.:  -10-120 

3. Technical items:

Design standard: EN593

Face to face length acc.to:ISO5752 series13/DIN3202,F16

Flange dimensions and drilling acc.to: ISO7005-2/ EN1092-2, DIN2501

Top works acc.to: ISO5211

Top flange for actuator installation acc.to: ISO5210

4. Material items: 

Body: ductile iron, WCB, stainless steel

Disc: ductile iron, WCB, stainless steel,Al-bronze(C95400, C95800, etc)

Shaft: SS420

Body seal ring:SS304

Disc seat ring: EPDM/NBR/VITON

Retainer ring: SS304

Shaft bush: AL-bronze

notes: Other materials are available on request

5. Coating: AKZO Nobel epoxy power, coating thickness min. ≥250micron 

6.  Operating mode: bare shaft, worm gear+handwheel, electirc actuator, pneumatic actuator, hydraulic actuator, etc.

7. Packing: seaworthy packing: iron case, veneer case, wood case,

8. Delivery port: Shanghai, Tianjing, etc.

Flange type rubber seated butterfly valve

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