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Suzhou Alpine Flow Control Co., Ltd
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Rubber Seat Big Torque Double Eccentric Butterfly Valve

Suzhou Alpine Flow Control Co., Ltd
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Rubber Seat Big Torque Double Eccentric Butterfly Valve

Brand Name : AFC OEM

Model Number : FBGD, FBBD, FBED,FBPD

Certification : NSF61 372

Place of Origin : China

MOQ : 1

Price : Price Negotiable

Payment Terms : L/C, T/T

Supply Ability : 2 containers in 60 days

Delivery Time : Based on order

Packaging Details : Plywood cases and pallets

Color : Blue RAL 5010 / 5015 NSF61

Material : Ductile Iron GSJ500-7

Disc Seat : 316L

Body Seat : EPDM

Pressure Rating : PN10, PN16, PN25,ANSI Standard

Standard : AWWA C504

Product Name : Double Flanged Butterfly Valve

Model Code : FBGD FBBD

Flow Media : Clear Water

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AWWA C504 NSF61 Approved Double Flange Double Eccentric Butterfly Valve



Features:

Small platform on the valve body.
Strong protection-keep the sleeve bearing fully in the hole.
No harm to the bearing during operation.

Special Bearing:

Carbon Steel base coated with bronze + PTFE interior for lubricant and tin exterior to prevent rusty.

Stronger than bronze bearing and last longer

Online repairing by EPOXY:

The user only needs to repair the rubber seal from the exterior of the butterfly valve without going into the pipeline. The total repairing time could be around less than 1 hr for all kinds of the size.

Arch shape disc design :

Reduce head loss and minimize turbulence
Flow thru disc-energy saving, lower pumping cost


Rubber Seat:

Epoxy injected on the backside of groove

Dovetail design can tight the rubber seal
Multi ribs on the seal-reduce operation torque
Seal fixed in the groove and epoxy on the back side as a wedge, no worry of loosen
No need bolting and permanent positioned , decrease nut loose & hole rusting


Operation Torque list for your reference:

Bare Head Torque (Nm)
InchNm
485
6128
8210
10250
12372
14760
161160
181280
201680
242500
282592
324428
365300
407245
4813320


Materials:

Rubber Seat Big Torque Double Eccentric Butterfly ValveRubber Seat Big Torque Double Eccentric Butterfly Valve

Rubber Seat Big Torque Double Eccentric Butterfly Valve

Item No.Part NameMaterialStandard
1BodyDuctile IronGJS500-7
2Lower ShaftStainless SteelAISI304
3DiscDuctile IronGJS500-7
4Main ShaftStainless SteelAISI304
5Backup RingPlasticPTFE
6Retaining PlateCarbon SteelCommercial
7Shaft KeyCarbon SteelCommercial
8In hex boltCarbon SteelCommercial
9O-ringRubberNBR
10Shaft BearingCarbon Steel+Bronze/PTFECommercial
11In hex boltCarbon SteelCommercial
12PinStainless SteelAISI431
13In hex boltCarbon SteelCommercial
14Shaft BearingCarbon Steel+Bronze/PTFECommercial
15Position PlateCarbon SteelCommercial
16NutCarbon SteelCommercial
17In hex boltCarbon SteelCommercial
18Bottom FlangeDuctile IronGJS500-7
19O-ringRubberNBR
20Thrust washerBronzaC62300
21Disc SeatDI+Stainless SteelGJS500-7+316SS L
22Body SeatRubberEPDM
23WedgeEpoxyCommercial
24Worm GearDuctile IronCommercial
For size ≥DN900


Dimension:

Rubber Seat Big Torque Double Eccentric Butterfly Valve

Rubber Seat Big Torque Double Eccentric Butterfly Valve

Rubber Seat Big Torque Double Eccentric Butterfly Valve

Rubber Seat Big Torque Double Eccentric Butterfly Valve



































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