ANSI B16.5 Class 1500 Raised Face Blind Flange RF (in)

ANSI B16.5 Class 1500 Raised Face Blind Flange RF (in)

Star Tubes and fittings provide various varities and classes in Raised face Blind Flange. ANSI B16.5 Class 1500 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 1500 Raised Face Blind Flange RF .

Pipe Size(NPS) Outside Diameter of FlangeA Diameter of Raised FaceB Thickness of FlangeC Number of Bolt HolesNBH Diameter of Bolt Holes DBH Bolt Circle DiameterP Approx Weight(lb)

AW
1/2 4 3/4 1 3/8 7/8 4 7/8 3 1/4 4
3/4 5 1/8 1 11/16 1 4 7/8 3 1/2 6
1 5 7/8 2 1 1/8 4 1 4 9
1 1/4 6 1/4 2 1/2 1 1/8 4 1 4 3/8 10
1 1/2 7 2 7/8 1 1/4 4 1 1/8 4 7/8 14
2 8 1/2 3 5/8 1 1/2 8 1 6 1/2 25
2 1/2 9 5/8 4 1/8 1 5/8 8 1 1/8 7 1/2 35
3 10 1/2 5 1 7/8 8 1 1/4 8 48
3 1/2 – – – – – – –
4 12 1/4 6 3/16 2 1/8 8 1 3/8 9 1/2 73
5 14 3/4 7 5/16 2 7/8 8 1 5/8 11 1/2 142
6 15 1/2 8 1/2 3 1/4 12 1 1/2 12 1/2 159
8 19 10 5/8 3 5/8 12 1 3/4 15 1/2 302
10 23 12 3/4 4 1/4 12 2 19 507
12 26 1/2 15 4 7/8 16 2 1/8 22 1/2 775
14 29 1/2 16 1/4 5 1/4 16 2 3/8 25 975
16 32 1/2 18 1/2 5 3/4 16 2 5/8 27 3/4 1300
18 36 21 6 3/8 16 2 7/8 30 1/2 1750
20 38 3/4 23 7 16 3 1/8 32 3/4 2225
22 – – – – – – –
24 46 27 1/4 8 16 3 5/8 39 3625

Types of Raised Face & Flat Face Blind Flanges Datasheets