Technical specification of spectacle blind flange

The spectacle blind flange could cut from a plate directly,or produced by forging method.There are the techinical specification of spectacle blind flange in Haihao Group(how to use a spectacle blind flange):

 

Spectacle Blind Flange In Haihao Group

Spectacle Blind Flange In Haihao Group

Material:

The main material of spectacle flange is:

Carbon steel: ASTM A105 etc. 

Low temperature carbon steel: A516 Gr.60,Gr.65 ,Gr.70 etc.

Stainless steel: A213 Gr.SS316L,SS304L,SS321 etc.

Spectacle Blind Flange Drawing

Spectacle Blind Flange Drawing

Standard: 

Haihao flange factory manufactures the spectacle flanges according to standard ASME/ANSI B16.48,MSS-SP-6.

Spader Spectacle Blind Flange In Haihao Group

Spader Spectacle Blind Flange In Haihao Group

Sealing face:

The spectacle flange are used together with flanges,so it has a surface requirement.Our spectacle blind flanges are available with raised face, flat face,or RTJ faces as per requirement. 

HH 10inch 900LBS SS316 Spectacle Blind Flange

HH 10inch 900LBS SS316 Spectacle Blind Flange

Handle:  

The spectacle flanges always have a handle.Spacer and spade’s handle is for easy control,spectacle blind flange handle is to control and connect the two parts.

Haihao Group manufacture steel pipes,pipe fittings and flange products more than 30 years,and our products according to standard ANSI,ASME,API,BS,DIN,JIS,GOST etc.If you have any question,please contact us!

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