Custom Forged WN Flange, ASTM A694 F60, 3-1/2 Inch, SCH 60, RF, 300 Class, B16.5, OEM Forging Factory

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ASME B16.5 Class 300

Weld Neck Flange 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	95	12.7	38	21.3	51	Welding Neck bore is derived from the pipe schedule	34.9	2	66.7	1.6
3/4	20	115	14.3	48	26.7	56		42.9	2	82.6	1.6
1	25	125	15.9	54	33.4	60		50.8	2	88.9	1.6
1 1/4	32	135	17.5	64	42.2	64		63.5	2	98.4	1.6
1 1/2	40	155	19.1	70	48.3	67		73	2	114.3	1.6
2	50	165	20.7	84	60.3	68		92.1	2	127	1.6
2 1/2	65	190	23.9	100	73	75		104.8	2	149.2	1.6
3	80	210	27	117	88.9	78		127	2	168.3	1.6
3 1/2	90	230	28.6	133	101.6	79		139.7	2	184.2	1.6
4	100	255	30.2	146	114.3	84		157.2	2	200	1.6
5	125	280	33.4	178	141.3	97		185.7	2	235	1.6
6	150	320	35	206	168.3	97		215.9	2	269.9	1.6
8	200	380	39.7	260	219.1	110		269.9	2	330.2	1.6
10	250	445	46.1	321	273	116		323.8	2	387.4	1.6
12	300	520	49.3	375	323.8	129		381	2	450.8	1.6
14	350	585	52.4	425	355.6	141		412.8	2	514.4	1.6
16	400	650	55.6	483	406.4	144		469.9	2	571.5	1.6
18	450	710	58.8	533	457	157		533.4	2	628.6	1.6
20	500	775	62	587	508	160		584.2	2	685.8	1.6
24	600	915	68.3	702	610	167		692.2	2	812.8	1.6

Class 300 Weld Neck Flange Stud & Bolt Dimensions

Size in Inch	Size in mm	No of Bolts	Bolt Size UNC	Machine Bolt Length	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
1/2	15	4	1/2	55	65	5/8	M14	1.4
3/4	20	4	5/8	65	75	3/4	M16	1.4
1	25	4	5/8	65	75	3/4	M16	1.8
1 1/4	32	4	5/8	70	85	3/4	M16	2.3
1 1/2	40	4	3/4	75	90	7/8	M20	3.2
2	50	8	5/8	75	90	3/4	M16	4.1
2 1/2	65	8	3/4	85	100	7/8	M20	5.5
3	80	8	3/4	90	110	7/8	M20	6.8
3 1/2	90	8	3/4	95	110	7/8	M20	8.2
4	100	8	3/4	95	115	7/8	M20	11.4
5	125	8	3/4	110	120	7/8	M20	14.6
6	150	12	3/4	110	120	7/8	M20	19.1
8	200	12	7/8	120	140	1	M24	31
10	250	16	1	140	160	1 1/8	M27	42
12	300	16	1 1/8	145	170	1 1/4	M30	64
14	350	20	1 1/8	160	180	1 1/4	M30	82
16	400	20	1 1/4	165	190	1 3/8	M33	113
18	450	24	1 1/4	170	195	1 3/8	M33	145
20	500	24	1 1/4	185	205	1 3/8	M33	182
24	600	24	1 1/2	205	230	1 5/8	M39	264

Flanges play a crucial role in various industries and applications where the connection between pipes, valves, and equipment is required. The importance of flanges lies in their ability to provide secure connections, sealing, strength, flexibility, alignment, accessibility, standardization, and safety within piping systems. They are vital components that contribute to the efficient and reliable operation of various industries, including oil and gas, chemical, power generation, water treatment, and many others.

The neck welded flange (WN Flange) is suitable for various high-temperature and high-pressure pipeline systems, and its common functions include the following aspects:

1. Connecting pipelines: A weld neck flange is a type of pipeline connector commonly used to connect two pipelines used for transporting liquids or gases, serving as a connecting device to ensure the normal flow of liquids or gases.

2. Improve safety: Using welding neck flanges to connect pipelines can improve the safety and stability of the pipeline, and reduce the risk of leakage in the pipeline system.

3. Adaptation to high temperature and high pressure: The welded neck flange can withstand high temperature and high pressure, and is suitable for various high temperature and high pressure working environments to ensure the normal operation of the pipeline system.

Material:

Carbon Steel	ASTM A105, ASTM A350 LF1, ASTM A350 LF2, S235JR, P245GH, P250GH, P280GH, ASTM A694 F42, ASTM A694 F46, ASTM A694 F52, ASTM A694 F56, ASTM A694 F60, ASTM A694 F65, ASTM A694 F70, etc
Stainless Steel	ASTM A182 F304, ASTM A182 F304L, ASTM A182 F304H, ASTM A182 F316, ASTM A182 F316L, ASTM A182 F317, ASTM A182 F317L, ASTM A182 F321, ASTM A182 F310, ASTM A182 F347, etc.
Alloy Steel	ASTM A182 F1, ASTM A182 F5, ASTM A182 F9, ASTM A182 F11, ASTM A182 F22, ASTM A182 F91, etc.
Duplex and super duplex steel	ASTM A815 UNS S31803, ASTM A815 UNS S32205, ASTM A815 UNS S32750, ASTM A815 UNS S32760

Specification:

Size Range: DN15-DN2000, 1/2 Inch-80 Inch

Face Finish: RF, FF, RTJ, TF, GF

Standard & Pressure Ratings:

1. ANSI/ASME/ASTM B16.5/B16,47: 150 LB, 300 LB, 600 LB, 900 LB, 1500 LB, 2500 LB

2. DIN/UNI: PN6, PN10, PN16, PN25, PN40, PN64

Service:

Surface Treatment: Black painting, anti-rust varnish, anti-rust oil, hot-galvanized

Non-destructive Testing: penetration test, ultrasonic test, radiographic test

Certificate: CE, ISO, PED, TS, BV, CQC Certificate

Packing: Plywood Case or Pallet

Hot Tags : CS Weld Neck Flange Forged Steel WN Flange ANSI B16.5 Flange Carbon Steel Flange Class 300 Flange RF Weld Neck Flange

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