Face mask, medical face mask, 3 ply face mask manufacturer / supplier in China, offering High Quality Outdoor Medical Protective Disposable Non Woven 3ply Surgical Face Mask CE FDA, FORGED A350 LF2/A105,reduce bore,A350LF2+ENP/PTFE-CARB ,class 150/300,standard/API 6D/ API 6FA & API 607/ASME B16.10,trunnion flange ball valve, High Performance Wafer/Flange Type Cast Steel A216 Wcb Butterfly Valve and so on.
Min. Order / Reference FOB Price | |
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10 Pieces | Contact Supplier |
Local Area: | Beijing, China |
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R&D Capacity: | OEM, ODM, Other |
Payment Terms: | LC, T/T, WesternUnion |
Driving Mode: | Handlever or Gear Worm |
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Connection Form: | Flange |
Structure: | Double-Eccentric Sealing |
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