Octagonal Ring Joint Dimensions

PETROCHEMICAL

Studding

Heavy Hex Bolts

Hex Nuts

Washers

Gaskets

Spiral Wound Gaskets

Ring Type Joints

Soft Cut Gaskets

Insulation Kits

Heavy Hex Bolts

Pipe Supports

U-Bolts

Pipe Clamps

Eyebolts

Hemispherical Washers

Hex Connecting Nut

I-Rod / Nu-Bolts

OCTAGONAL RING TYPE JOINT

ASME B16.20

RING NO.	SIZE	CLASS	PITCH DIA	WIDTH	HEIGHT	FLAT	RADIUS
R-11	1/2"	300, 600	1.344	0.250	0.380	0.170	0.06
R-12	1/2"	900, 1500	1.563	0.313	0.500	0.206	0.06
R-13	3/4"	300, 600	1.688	0.313	0.500	0.206	0.06
R-13	1/2"	2500	1.688	0.313	0.500	0.206	0.06
R-14	3/4"	900, 1500	1.750	0.313	0.500	0.206	0.06
R-15	1"	150	1.875	0.313	0.500	0.206	0.06
R-16	1"	300, 600, 900, 1500	2.000	0.313	0.500	0.206	0.06
R-16	3/4"	2500	2.000	0.313	0.500	0.206	0.06
R-17	1.1/4"	150	2.250	0.313	0.500	0.206	0.06
R-18	1.1/4"	300, 600, 900, 1500	2.375	0.313	0.500	0.206	0.06
R-18	1"	2500	2.375	0.313	0.500	0.206	0.06
R-19	1.1/2"	150	2.563	0.313	0.500	0.206	0.06
R-20	1.1/2"	300, 600, 900, 1500	2.688	0.313	0.500	0.206	0.06
R-21	1.1/4"	2500	2.844	0.438	0.630	0.305	0.06
R-22	2"	150	3.250	0.313	0.500	0.206	0.06
R-23	2"	300, 600	3.250	0.438	0.630	0.305	0.06
R-23	1.1/2"	2500	3.250	0.438	0.630	0.305	0.06
R-24	2"	900, 1500	3.750	0.438	0.630	0.305	0.06
R-25	2.1/2"	150	4.000	0.313	0.500	0.206	0.06
R-26	2.1/2"	300, 600	4.000	0.438	0.630	0.305	0.06
R-26	2"	2500	4.000	0.438	0.630	0.305	0.06
R-27	2.1/2"	900, 1500	4.250	0.438	0.630	0.305	0.06
R-28	2.1/2"	2500	4.375	0.500	0.690	0.341	0.06
R-29	3"	150	4.500	0.313	0.500	0.206	0.06
R-30	3" (1)	300	4.625	0.438	0.630	0.305	0.06
R-31	3"	300, 600, 900	4.875	0.475	0.630	0.305	0.06
R-32	3"	2500	5.000	0.500	0.690	0.341	0.06
R-33	3.1/2"	150	5.188	0.313	0.500	0.206	0.06
R-34	3.1/2"	300, 600	5.188	0.438	0.630	0.305	0.06
R-35	3"	1500	5.375	0.438	0.630	0.305	0.06
R-36	4"	150	5.875	0.313	0.500	0.206	0.06
R-37	4"	300, 600, 900	5.875	0.438	0.630	0.305	0.06
R-38	4"	2500	6.188	0.625	0.810	0.413	0.06
R-39	4"	1500	6.375	0.438	0.630	0.305	0.06
R-40	5"	150	6.750	0.313	0.500	0.206	0.06
R-41	5"	300, 600, 900	7.125	0.438	0.630	0.305	0.06
R-42	5"	2500	7.500	0.750	0.940	0.485	0.06
R-43	6"	150	7.625	0.313	0.500	0.206	0.06
R-44	5"	1500	7.625	0.438	0.630	0.305	0.06
R-45	6"	300, 600, 900	8.313	0.438	0.630	0.305	0.06
R-46	6"	1500	8.313	0.500	0.690	0.341	0.06
R-47	6"	2500	9.000	0.750	0.940	0.485	0.06
R-48	8"	150	9.750	0.313	0.500	0.206	0.06
R-49	8"	300, 600, 900	10.625	0.438	0.630	0.305	0.06
R-50	8"	1500	10.625	0.625	0.810	0.413	0.06
R-51	8"	2500	11.000	0.875	1.060	0.583	0.06
R-52	10"	150	12.000	0.313	0.500	0.206	0.06
R-53	10"	300, 600, 900	12.750	0.438	0.630	0.305	0.06
R-54	10"	1500	12.750	0.625	0.880	0.413	0.06
R-55	10"	2500	13.500	1.125	1.380	0.780	0.09
R-56	12"	1500	15.000	0.313	0.500	0.206	0.06
R-57	12"	300, 600, 900	15.000	0.438	0.630	0.305	0.06
R-58	12"	1500	15.000	0.875	1.060	0.583	0.06
R-59	14"	150	15.625	0.313	0.500	0.206	0.06
R-60	12"	2500	16.000	1.250	1.500	0.879	0.09
R-61	14"	300, 600	16.500	0.438	0.630	0.305	0.06
R-62	14"	900	16.500	0.625	0.810	0.413	0.06
R-63	14"	1500	16.500	1.000	1.250	0.681	0.06
R-64	16"	150	17.875	0.313	0.500	0.206	0.09
R-65	16"	300, 600	18.500	0.438	0.630	0.305	0.06
R-66	16"	900	18.500	0.625	0.810	0.413	0.06
R-67	16"	1500	18.500	1.125	1.380	0.780	0.09
R-68	18"	150	20.375	0.313	0.500	0.206	0.06
R-69	18"	300, 600	21.000	0.438	0.630	0.305	0.06
R-70	18"	900	21.000	0.750	0.940	0.485	0.06
R-71	18"	1500	21.000	1.125	1.380	0.780	0.09
R-72	20"	150	22.000	0.313	0.500	0.206	0.06
R-73	20"	300, 600	23.000	0.500	0.690	0.341	0.06
R-74	20"	900	23.000	0.750	0.940	0.485	0.06
R-75	20"	1500	23.000	1.125	1.500	0.879	0.09
R-76	24"	150	26.500	0.313	0.500	0.206	0.06
R-77	24"	300, 600	27.250	0.625	0.810	0.413	0.06
R-78	24"	900	27.250	1.000	1.250	0.681	0.09
R-79	24"	1500	27.250	1.375	1.630	0.977	0.09
R-80	22"	150	24.250	0.313	0.500	0.206	0.06
R-81	22"	300, 600	25.000	0.563	0.750	0.377	0.06
R-82	1"	10000	2.250	0.438	0.630	0.305	0.06
R-84	1.1/2"	10000	2.500	0.438	0.630	0.305	0.06
R-85	2"	10000	3.125	0.500	0.690	0.341	0.06
R-86	2.1/2"	10000	3.563	0.625	0.810	0.413	0.06
R-87	3"	10000	3.938	0.625	0.810	0.413	0.06
R-88	4"	10000	4.875	0.750	0.940	0.485	0.06
R-89	3.1/2"	10000	4.500	0.750	0.940	0.485	0.06
R-90	5"	10000	6.125	0.875	1.060	0.583	0.06
R-91	10"	10000	10.250	1.250	1.500	0.879	0.06
R-92	-	-	9.000	0.438	0.630	0.305	0.06
R-93	26"	300, 600	29.500	0.750	0.940	0.485	0.06
R-94	28"	300, 600	31.500	0.750	0.940	0.485	0.06
R-95	30"	300, 600	33.750	0.750	0.940	0.485	0.06
R-96	32"	300, 600	36.000	0.875	1.060	0.583	0.06
R-97	34"	300, 600	38.000	0.875	1.060	0.583	0.06
R-98	36"	300, 600	40.250	0.875	1.060	0.583	0.06
R-99	8"	2000, 3000	9.250	0.438	0.630	0.305	0.06
R-100	26"	900	29.500	1.125	1.380	0.780	0.09
R-101	28"	900	31.500	1.250	1.500	0.879	0.09
R-102	30"	900	33.750	1.250	1.500	0.879	0.09
R-103	32"	900	36.000	1.250	1.500	0.879	0.09
R-104	34"	900	38.000	1.375	1.630	0.977	0.09
R-105	36"	900	40.250	1.375	1.630	0.977	0.09

Ring Gasket Dimensions

(1) R-30 for lapped joint only
All dimensions in inches

Octagonal Ring Joint Dimensions

PETROCHEMICAL

Petrochemical Fasteners

Studbolts

Studs

Heavy Hex Bolts

Socket Capscrews

Heavy Hex Nuts

Plating & Coatings

Fasteners

Hex Head Products

Socket Products

Foundation Bolting

Studding

Heavy Hex Bolts

Hex Nuts

Washers

Gaskets

Spiral Wound Gaskets

Ring Type Joints

Soft Cut Gaskets

Insulation Kits

Heavy Hex Bolts

Pipe Supports

U-Bolts

Pipe Clamps

Eyebolts

Hemispherical Washers

Hex Connecting Nut

I-Rod / Nu-Bolts

OCTAGONAL RING TYPE JOINT

ASME B16.20

We develop & create realistic future

Socials

Menu

Say Hello