Weld Neck Flange Class 2500 (ASME B16.5)

Approx Price:

Usage/Application: Oil Industries, Chemical Industries
Standard: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA
Number Of Holes: 4 / 8 / 12 / 16 / 20
Type: Weld Neck Flange Class 2500
Material: Stainless Steel, Alloy Steel, Carbon Steel, Duplex Steel, Nickel Alloys
Flange Thickness: 30.2mm to 184.2mm

Weld Neck Flange Class 2500 (ASME B16.5) Dimensions

Size in Inch	Size in mm	Outer Diameter	Flange Thickness	Hub OD	Weld Neck OD	Welding Neck Length	Bore	RF Diameter	RF Height	PCD	Weld Face
		A	B	C	D	E	F	G	H	I	J
1/2	15	135	30.2	43	21.3	73	Welding Neck bore is derived from the pipe schedule	34.9	7	88.9	1.6
3/4	20	140	31.8	51	26.7	79		42.9	7	95.2	1.6
1	25	160	35	57	33.4	89		50.8	7	108	1.6
1 1/4	32	185	38.1	73	42.2	95		63.5	7	130.2	1.6
1 1/2	40	205	44.5	79	48.3	111		73	7	146	1.6
2	50	235	50.9	95	60.3	127		92.1	7	171.4	1.6
2 1/2	65	265	57.2	114	73	143		104.8	7	196.8	1.6
3	80	305	66.7	133	88.9	168		127	7	228.6	1.6
4	100	355	76.2	165	114.3	190		157.2	7	273	1.6
5	125	420	92.1	203	141.3	229		185.7	7	323.8	1.6
6	150	485	108	235	168.3	273		215.9	7	368.3	1.6
8	200	550	127	305	219.1	318		269.9	7	438.2	1.6
10	250	675	165.1	375	273	419		323.8	7	539.8	1.6
12	300	760	184.2	441	323.8	464		381	7	619.1	1.6

Class 2500 Weld Neck Flange Stud & Bolt Dimensions
Size in Inch	Size in mm	No of Bolts	Bolt Size UNC	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
1/2	15	4	3/4	120	7/8	M20	3.3
3/4	20	4	3/4	125	7/8	M20	3.7
1	25	4	7/8	140	1	M24	5.5
1 1/4	32	4	1	150	1 1/8	M27	7.8
1 1/2	40	4	1 1/8	170	1 1/4	M30	11.5
2	50	8	1	180	1 1/8	M27	19
2 1/2	65	8	1 1/8	195	1 1/4	M30	24
3	80	8	1 1/4	220	1 3/8	M33	42.8
4	100	8	1 1/2	255	1 5/8	M39	66
5	125	8	1 3/4	300	1 7/8	M45	111
6	150	8	2	345	2 1/8	M52	173
8	200	12	2	380	2 1/8	M52	264
10	250	12	2 1/2	490	2 5/8	M64	490
12	300	12	2 3/4	540	2 7/8	M72	695