China Ductile Iron Awwa C504 Doule Flange Double Eccentric Butterfly Valve Bct-E-Rbfv06

Butterfly valve, rubber lined

double flange, double eccentric,

Manufacture acc.to EN593

Face to face length acc.to ISO5752 series 13/14

Flange acc.to DIN2501

Body and disc of DI, CS,

Shaft of SS

with bare shaft, manual, gear, electric, pneumatic or others.

Applicable: sea water, corrosive medium etc.

If there is any request for large sizes or other materials, please contact us in detail.

Size

DN100 to DN4000

Pressure

PN10, PN16, PN25, PN40

Suitablem

water, and other weak corrosive liquid etc.

Temp.

-10~120°C

2. Double flanged double eccentric rubber seated butterfly standard items:

Description

Standard

Design and manufacture

EN593

Face to face

ISO5752 series14, EN558-1 series 14, DIN3202 F4

Flange and drilling

ISO7005-2, EN1092, DIN2501

Pressure test

EN12266 ISO5208

Top flange of bare shaft valve

ISO5211

Top flange on worm gearbox for e-actuator

ISO5210

3. Double flanged double eccentric rubber seated butterfly main part material items:

Name

Material

Body

ductile cast iron, WCB, stainless steel

Disc

ductile cast iron, WCB, stainless steel, Al-bronze

Stem

SS420, SS431

Disc seat ring

EPDM,NBR,VITON

Body seat ring

SS304

Retainer

SS304, SS316

Shaft bearing

Al-bronze, self-lubricating bearing

Bolt & nuts

8.8 grade galvanized, SS304

Coating

epoxy coating, thickness: min. 250 microns, color code: RAl5015, 5017, 5010, and etc.

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

1. Product catalogue:
2.BCT Customers

3.Workshop and process

4.Inspection and test

5.Packing

6.Installation and application