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Swivel ring flange

Swivel flange is also called as swivel ring flange which is widely used for pipe line application in oil and gas industry.

The swivel ring flange is typically used for offshore and subsea application, it consists of a rotation outer ring and a hub which allows for easy alignment of the bolts. The swivel ring flanges adjust for bolt hole misalignment in the field via rotational adjustment of the bolt hole pattern on the flange ring relative to the spool piece.

The swivel ring flange is of two piece construction consisting of a heavy forged welding hub with a rotating forged ring that serves as a mating flange to a weld neck or other flange.it has a retaining ring to secure the welding hub to hold the rotating ring in position.

We CCSC technology dedicate to total swivel flanges solution for our clients, our swivel ring flanges can meet and exceed the industry’s requirements in severe working condition, low or high temperature and related working pressures. The high strength of forged bodies make our swivel flange most reliable and long lasting.

Our swivel ring flanges can be made in compliance with international standards such as API spec.6A, ANSI B16.5, ASME B16.5, MSS SP-44 and non-standard swivel ring flange can also be customizable according to certain applications.

Features

Connection Type:   RTJ Flange,RF Flange,Buttweld end

Material: AISI 4130, AISI 4140,ASTM 304SS,ASTM 316SS, ASTM 410SS, Inconel 718, Inconel 625,

ANSI UNS Duplex steel :F51(S31803) , F52(S32900), F53(S32750), F60(S32205), F68(S32304)

Nominal size:       1 inch to 30 inch   

Design Standard:   API 6A,ANSI B16.5 ,ASME B16.5,API 17D

 

Application in oil and gas industry

  Oilfield manifold system,             Crude oil and natural gas Pipeline

  Onshore drilling & production         Offshore drilling & production

  Subsea pipeline application           Oil and gas processing plant

 

Guidelines for procurement:  Client’s inquiry should include belows information before purchasing

1, Flange connection :   RF or RTJ   

2, Flange standard:     API 6A, ANSI/ASME B16.5,API 17D

3,Working pressure:    ASME Class 150 to Class 2500  , API 6A 2000PSI to 20000 PSI

4,Nominal size:           1 inch to 30 inch  ,1-13/16” to 30”

5,Material requirement :   

Carbon steel (A105,AISI1010,AISI1020,AISI 1045)

Alloy steel (AISI 4130,AISI 4135,AISI4140,AISI 4340)

Stainless steel (ASTM 304SS,316SS,410SS)

Duplex stainless steel (F51/UNS S31803,F52/UNS S32900 ,F53/UNS S32750, F55/UNS S32760,

F60/UNS S32205, F61/UNS S32505)

Inconel alloy:  Inconel600,Inconel 601, Inconel 617,Inconel625,Inconel 690,Inconel718,

Inconel X-750.

Yield strendth: from 45K to 130K PSI

 

6,Quantity

 

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