Flanges

Flanges
The flanges are used to connect pipes, valves and other equipment to form a piping system. Duwa Piping can supply flanges Ex-works in 3days and the warranty time is 3 times longer than other supplier.
Standard:
ANSI Flange, ASME Flange, API Flange, DIN Flange, EN10921-1 Flange, JIS/KS Flange, Gost Flange, AWWA C207 Flange.
Flange Material:
Carbon Steel: ASTM A105.
Low-Temperature: ASTM A350 LF1 LF2 CL1/CL2, LF3 CL1/CL2.
Stainless Steel: ASTM A182 F304/304L, F316/316L, F321.
Alloy Steel: ASTM F1 F5 F9, F11, F91.
Pipeline Steel: A694 F42 F52 F60 F65, A516 Gr60, 65, 70.
Flange Face: Raised Face(RF), Flat Face(FF), Ring Type Joint(RTJ), T&G.
Flange Pressure: 150#--6000#(PN6-PN40).
Schedule: SCH40/XS, STD.
 
Products List

ASTM A105 WELD NECK FLANGE, ASME B16.5, 10IN, 150 LB, SCH STD

ASTM A105 WELD NECK FLANGE, ASME B16.5, 10IN, 150 LB, SCH STD
DW WNF-13
Chinese ASTM A105 Weld Neck Flange Manufacturer Provides ASTM A105 Weld Neck Flange, ASME B16.5, Size 10IN, Pressure 150 LB, Wall Thickness SCH STD.

ANSI B16.47 Blind Flange Carbon Steel RF

ANSI B16.47 Blind Flange Carbon Steel RF
DW BF-5
China ANSI B16.47 Blind Flange manufacturer Duwa Piping provides ANSI B16.47 Blind Flange with material Carbon Steel,RF face, Size from 24 Inch to 92 Inch.

RTJ Blind Flange, ASTM A105, A350 LF1/LF2, CL150-1500, 1/2-90 Inch

RTJ Blind Flange, ASTM A105, A350 LF1/LF2, CL150-1500, 1/2-90 Inch
DW-BF-2
China RTJ Blind Flange Manufacturer Duwa Offers RTJ Blind Flange, ASTM A105, ASTM A350 LF1/LF2, ASME B16.5, CL150, 300, 900, 1500, 1/2-90 Inch.

Raised Face Weld Neck Flange, A105,1/2-90 Inch,CL150-1500,SCH STD-XS

Raised Face Weld Neck Flange, A105,1/2-90 Inch,CL150-1500,SCH STD-XS
DW-WNF-1
China Raised Face Weld Neck Flange Manufacturer Duwa Offers C.S A105 Weld Neck Flange, Raised Face, ASME B16.5, CL150-1500, SCH-STD, 1/2-90 Inch.

DUWA Slip On Flange RF 1INCH 300LB A182 F316L

DUWA Slip On Flange RF 1INCH 300LB A182 F316L
DW SOF-21
CHINA Flange Manufacturer DUWA PIPING 1INCH 300LB SLIP ON A182 F316L flange,Ex works in 5 days.

Red color PE coated SORF EN1092-1 carbon steel flange

Red color PE coated SORF EN1092-1 carbon steel flange
DW SOF-20
China flange manufacturer DUWA PIPING specialize in PE coated,galvanized flanges and fittings(elbow,reducer,tee,cap,coupling,nipple,plug),Our

DUWA PE coated Slip On ASTM flange high pressure 600lbs

DUWA PE coated Slip On ASTM flange high pressure 600lbs
DW SOF-19
China pipeline manufacturer DUWA PIPING specialize in PE/Epoxy/PEX coated flanges and fittings(elbow,reducer,tee,cap,coupling,nipple,plug),size 1inch to 24inch

DUWA BS3293 SOFF 30inch 150# A182 F304L Flange

DUWA BS3293 SOFF 30inch 150# A182 F304L Flange
DW SOF-18
China pipeline manufacturer DUWA PIPING specialize in stainless steel flanges and fittings(elbow,reducer,tee,cap,coupling,nipple,plug),

250NB 150LBS A182 F310S SLIP ON RF flange

250NB 150LBS A182 F310S SLIP ON RF flange
DW-SOF-17
CHINA DUWA PIPING 250NB 150LBS SLIP ON A182 F310S flange，we have 15% market share in Australia.