Stainless steel pipe flanges

Excellent resistance to fluid leakage, high strength, and superior corrosion
resistance with easy handling. Designed for easy disassembly and assembly.

Applications

Petrochemical, pharmaceutical, and power plants; paper & pulp;
shipbuilding; water and wastewater utilities, and more.

Stainless Steel Pipe Flange FF (flat face)

Sizes / Nominal diameter

A	10	15	20	25	32	40	50	65	80	90	100
B	3/8	1/2	3/4	1	1¼	1½	2	2½	3	3½	4

A	125	150	200	250	300	350	400	450	500	550	600
B	5	6	8	10	12	14	16	18	20	22	24

(A = metric nominal size, B = nominal pipe size in inches)

Materials

SUS304

SUS316

SUS316L

*SUS316 and SUS316L are not available for the JIS 20K rating.

Rating (JIS)

5K

10K

20K

Stainless Steel Pipe Flange BF (blind flange)

Sizes / Nominal diameter

A	10	15	20	25	32	40	50	65	80	90	100
B	3/8	1/2	3/4	1	1¼	1½	2	2½	3	3½	4

A	125	150	200	250	300	350	400	450	500	550	600
B	5	6	8	10	12	14	16	18	20	22	24

(A = metric nominal size, B = nominal pipe size in inches)

Materials

SUS304

SUS316

SUS316L

*SUS316 and SUS316L are not available for the JIS 20K rating.

Rating (JIS)

5K

10K

20K

Stainless Steel Pipe Flange RF (raised face)

Sizes / Nominal diameter

A	10	15	20	25	32	40	50	65	80
B	3/8	1/2	3/4	1	1¼	1½	2	2½	3

A	100	125	150	200	250	300	350	400
B	4	5	6	8	10	12	14	16

(A = metric nominal size, B = nominal pipe size in inches)

Materials

SUS304

SUS316

SUS316L

*SUS316 and SUS316L are not available for the JIS 20K rating.

Rating (JIS)

10K

20K

Stainless Steel Pipe Flange BDRF (blind, raised face)

Sizes / Nominal diameter

A	10	15	20	25	32	40	50	65
B	3/8	1/2	3/4	1	1¼	1½	2	2½

A	80	100	125	150	200	250	300
B	3	4	5	6	8	10	12

(A = metric nominal size, B = nominal pipe size in inches)

Materials

SUS304

SUS316

SUS316L

*SUS316 and SUS316L are not available for the JIS 20K rating.

Rating (JIS)

10K

20K

*We also stock items and sizes not listed here. Please feel free to contact us.