Double Eccentric, wafer/flange, industrial valve/control, GGG40, METAL/RUBBER SEAT, Butterfly Valve/

Double Eccentric,wafer/flange,industrial valve/control,GGG40,metaL/RUBBER SEAT,Butterfly Valve/valve
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.
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