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Blind flange

Blind flange is a kind of solid flange which is widely used for pipe line in oil and gas industry, the mainly purpose is to block off a section of pipe or a nozzle on a vessel that is not used.

Blind flange is also called blind cover, blind disk, blind plate or flanged pipe plug. Blind flange has no through holes in the center, for to seal the pipe opening. So its function is the same as the pipe plug or the pipe cap.

We CCSC technology dedicate to total blind flanges solution for our clients, our blind 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 blind flange most reliable and long lasting.

Our blind flanges are made in compliance with international standards such as API6A, ANSI B16.5 and ASME B16.5 etc.

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 below 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 4130,4135,4140)

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)。

6,Quantity

 

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