Ferrobend | Industrial Flanges Manufacturer & Supplier

DIMENSIONAL DATA

NPS	Flange OD (O)	Minimum Thickness of Flange (T)	Hub Length (Y)	Groove Number	Pitch Diameter (P)	Groove Depth (E)	Groove Width (F)	Radius at Bottom (r)	Special Oval Ring Height (W)	Hub Diameter (X)	Hub Diameter Beginning of Chamfer (A)	Bore (B)	Diameter of Pressure Connection TT	Bolt Circle Diameter	No. of Holes	Hole Diameter	Diameter of Bolts	Stud Bolts Length
1	5.88	1.50	3.25	R16	2.000	0.250	0.344	0.03	1.00	2.06	1.32	Specified by purchaser	1/4	4.00	4	1.00	7/8	6.25
1-1/2	7.00	1.50	3.50	R20	2.688	0.250	0.3444	0.03	1.00	2.75	1.90	Specified by purchaser	1/4	4.88	4	1-1/8	1	6.50
2	8.50	1.50	4.00	R24	3.750	0.312	0.469	0.03	1.06	4.12	2.38	Specified by purchaser	1/4	6.50	8	1.12	1	7.00
2-1/2	9.62	1.62	4.12	R27	4.250	0.312	0.469	0.03	1.06	4.88	2.88	Specified by purchaser	1/4	7.50	8	1-1/8	1	7.00
3	9.50	1.50	4.00	R31	4.875	0.312	0.469	0.03	1.06	5.00	3.50	Specified by purchaser	3/8	7.50	8	1.00	7/8	6.50
4	11.50	1.75	4.50	R37	5.875	0.312	0.469	0.03	1.06	6.25	4.50	Specified by purchaser	1/2	9.25	8	1-1/4	1-1/8	7.50
6	15.00	2.19	5.50	R45	8.312	0.312	0.469	0.03	1.06	9.25	6.63	Specified by purchaser	1/2	12.50	12	1-1/4	1-1/8	8.25
8	18.50	2.50	6.38	R49	10.625	0.312	0.469	0.03	1.06	11.75	8.63	Specified by purchaser	1/2	15.50	12	1-1/2	1-3/8	9.50
10	21.50	2.75	7.25	R53	12.750	0.312	0.469	0.03	1.06	14.50	10.75	Specified by purchaser	1/2	18.50	16	1-1/2	1-3/8	10.00
12	24.00	3.12	7.88	R57	15.000	0.312	0.469	0.03	1.06	16.50	12.75	Specified by purchaser	1/2	21.00	20	1-1/2	1-3/8	10.75
14	25.25	3.38	8.38	R62	16.500	0.438	0.656	0.06	1.31	17.75	14.00	Specified by purchaser	1/2	22.00	20	1-5/8	1-1/2	11.50
16	27.75	3.50	8.50	R66	18.500	0.438	0.656	0.06	1.44	20.00	16.00	Specified by purchaser	1/2	24.25	20	1-3/4	1-5/8	12.00
18	31.00	4.00	9.00	R70	21.000	0.500	0.781	0.06	1.56	22.25	18.00	Specified by purchaser	1/2	27.00	20	2.00	1-7/8	13.75
20	33.75	4.25	9.75	R74	23.000	0.500	0.781	0.06	1.56	24.50	20.00	Specified by purchaser	1/2	29.50	20	2-1/8	2	14.75
24	41.00	5.50	11.50	R78	27.250	0.625	1.062	0.09	1.88	29.50	24.00	Specified by purchaser	1/2	35.50	20	2-5/8	2-1/2	18.50

NPS	Flange OD (O)	Minimum Thickness of Flange (T)	Hub Length (Y)	Groove Number	Pitch Diameter (P)	Groove Depth (E)	Groove Width (F)	Radius at Bottom (r)	Special Oval Ring Height (W)	Hub Diameter (X)	Hub Diameter Beginning of Chamfer (A)	Bore (B)	Diameter of Pressure Connection TT	Bolt Circle Diameter	No. of Holes	Hole Diameter	Diameter of Bolts	Stud Bolts Length
1	150	38.1	83	R16	50.80	6.35	8.74	0.8	25.4	52	33.5	Specified by purchaser	6.4	101.6	4	1	7/8	160
1-1/2	180	38.1	89	R20	68.27	6.35	8.74	0.8	25.4	70	48.3	Specified by purchaser	6.4	123.8	4	1-1/8	1	165
2	215	38.1	102	R24	95.25	7.92	11.91	0.8	27.0	105	60.3	Specified by purchaser	6.4	165.1	8	1.00	7/8	165
2-1/2	245	41.3	105	R27	107.95	7.92	11.91	0.8	27.0	124	73.0	Specified by purchaser	6.4	190.5	8	1-1/8	1	180
3	240	38.1	102	R31	123.83	7.92	11.91	0.8	27.0	127	88.9	Specified by purchaser	9.5	190.5	8	1	7/8	165
4	290	44.5	114	R37	149.23	7.92	11.91	0.8	27.0	159	114.3	Specified by purchaser	12.7	235.0	8	1-1/4	1-1/8	190
6	380	55.6	140	R45	211.12	7.92	11.91	0.8	27.0	235	168.3	Specified by purchaser	12.7	317.5	12	1-1/4	1-1/8	210
8	470	63.5	162	R49	269.88	7.92	11.91	0.8	27.0	298	219.1	Specified by purchaser	12.7	393.7	12	1-1/2	1-3/8	240
10	545	69.9	184	R53	323.85	7.92	11.91	0.8	27.0	368	273.0	Specified by purchaser	12.7	469.9	16	1-1/2	1-3/8	255
12	610	79.4	200	R57	381.00	7.92	11.91	0.8	27.0	419	323.8	Specified by purchaser	12.7	533.4	20	1-1/2	1-3/8	275
14	640	85.8	213	R62	419.10	11.13	16.66	1.5	33.3	451	355.6	Specified by purchaser	12.7	558.8	20	1-5/8	1-1/2	290
16	705	88.9	216	R66	469.90	11.13	16.66	1.5	36.5	508	406.4	Specified by purchaser	12.7	616.0	20	1-3/4	1-5/8	305
18	785	101.6	229	R70	533.40	12.70	19.84	1.5	39.7	565	457.2	Specified by purchaser	12.7	685.8	20	2	1-7/8	350
20	855	108.0	248	R74	584.20	12.70	19.84	1.5	39.7	622	508.0	Specified by purchaser	12.7	749.3	20	2-1/8	2	375
24	1040	139.7	292	R78	692.15	15.88	26.97	2.4	47.6	749	609.6	Specified by purchaser	12.7	901.7	20	2-5/8	2-1/2	470

Notes:

A) Dimensions are shown in inches (millimeters). For bolts and bolt holes, dimensions are in inches.

B) Welding neck flanges NPS 3 and smaller are dimensionally identical to Class 600 flanges and may be so marked.

C) All other dimensions are in accordance with ASME B16.5.

D) Other NPT sizes may be furnished if required.

E) For slip-on and threaded flanges, verify that TT drilling extends to inside diameter of pipe after assembly and is free from burrs.

F) Bolt lengths include allowance for orifice and gasket thickness of 6 mm (0.25 in.) for NPS 1 to NPS 12 and 10 mm (0.38 in.) for NPS 14 to NPS 24.

G) In conformance with ASME B16.5, stud bolt lengths do not include point heights.

ASME B16.36 Class 900
Orifice RTJ Welding Neck Flange

Need ASME B16.36 Class 900 Orifice RTJ Welding Neck Flanges for Your Project?

ASME B16.36 Class 900Orifice RTJ Welding Neck Flange

Need ASME B16.36 Class 900 Orifice RTJ Welding Neck Flanges for Your Project?

ASME B16.36 Class 900
Orifice RTJ Welding Neck Flange