ANSI B16.5 Class 400 Raised Face Blind Flange RF (in)

Star Tubes and fittings provide various varities and classes in Raised face Blind Flange. ANSI B16.5 Class 400 Raised Face Blind Flange the most common type used in process plant applications, and is easily to identify. We are Manufacturers and Supplier of raised face and flat face Blind Flanges in India. We provide raised face Blind Flanges in all sizes, grades, specification and materials in India.

The purpose of a RF flange is to concentrate more pressure on a smaller gasket area and thereby increase the pressure containment capability of the joint. Raised face and flat face Blind Flanges are subject to high pressure for critical applications. There are different standards of blind flanges . We are ANSI B16.5 Class 400 Raised Face Blind Flange RF .

Pipe Size(NPS)Outside Diameter of FlangeADiameter of Raised FaceBThickness of FlangeCNumber of Bolt HolesNBHDiameter of Bolt HolesDBHBolt Circle DiameterPApprox Weight(lb)

AW

1/23 3/41 3/89/1645/82 5/82
3/44 5/81 11/165/843/43 1/43
14 7/8211/1643/43 1/24
1 1/45 1/42 1/213/1643/43 7/86
1 1/26 1/82 7/87/847/84 1/28
26 1/23 5/8183/4510
2 1/27 1/24 1/81 1/887/85 7/815
38 1/451 1/487/86 5/820
3 1/295 1/21 3/8817 1/429
4106 3/161 3/8817 7/833
5117 5/161 1/2819 1/444
612 1/28 1/21 5/812110 5/861
81510 5/81 7/8121 1/813100
1017 1/212 3/42 1/8161 1/415 1/4155
1220 1/2152 1/4161 3/817 3/4226
142316 1/42 3/8201 3/820 1/4310
1625 1/218 1/22 1/2201 1/222 1/2398
1828212 5/8241 1/224 3/4502
2030 1/2232 3/4241 5/827621
223325 1/42 7/8241 3/429 1/4685
243627 1/43241 7/832936