UNS31803 GR2205 Stub End BW

by yane Yang Sales Manager

Material: Duplex 2205 (UNS S31803)Technics: Cold formingType: Stub EndPlace of Origin: Zhejiang, China (Mainland)Brand Name: YaangConnection: WeldingHead Code: RoundSize: 4 Inch (DN100)

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FOB Price: USD 1 - 1,700/Piece
Port: Ningbo or Shanghai Port
MOQ: 1 Piece
Supply Ability: 1000 Pieces Per Day
Payment Terms: L/C,T/T,Western Union,MoneyGram
Packaging: Seaworthy plywood cases or pallets
Delivery Detail: 2 - 10 days after receiving the deposit
ASTM A815 MSS-SP43 UNS31803 GR2205 Stub End BW Shot Length
Size: 4 Inch (DN100)
Thk: SCH10S
Material: Duplex 2205 (UNS S31803)
UNS31803 GR2205 Stub End
What are they?

UNS31803 GR2205 Stub Ends are fittings used in place of welded flanges where rotating back up flanges are desired.
They are also called Lap Joints and Vanstone Flared Laps.

How do they work?

A rotating back up flange seats itself against the back surface of the Stub End. When bolts are added, the clamping action of the bolts presses the rotating back up flange against the back of the Stub End. The gasket surface of the Stub End then presses against a gasket and another gasket surface providing joints like standard flange joints. The seal is made by the gasket surface of the stub end alone, the flange only provides the clamping pressure on the joint.

Why?

Since Stub Ends are made from material compatible with the designed piping system, back up flanges do not have to be made from the same material. The flange can be made from less expensive material because it never comes in contact with the process fluid.

UNS31803 GR2205 Stub Ends' Types
UNS31803 GR2205 Stub Ends are typically manufactured by two methods. Type A & B Stub Ends are made similar to forged fittings such as Elbows and Flanges. Type C Stub Ends are made by forming pipe to the desired dimensions.
UNS31803 GR2205 Stub Ends are available in two standard lengths, MSS and ANSI.
UNS31803 GR2205 Stub Ends are normally provided with a standard weld bevel
Yaang Pipe Industry Co., Limited
Contact Person : Ms. Yane
Job Title : sales manager
Business Phone :+86-18267732328
Skype :skaifox
Email :sales@yaang.com
Website: www.yaang.com