Custom WN Flange, ASTM A350 LF1, 4 Inch, SCH 40, RF, 600 LB, ANSI B16.5, OEM Forging Factory

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When using weld neck flanges, the following points should be noted:

Before installation, check whether there are obvious defects or damages on the surface of the WN flange and pipeline to avoid problems such as loose connections or leakage of liquid or gas.

When purchasing welding neck flanges, different materials, models, and other parameters should be selected according to the specific usage situation.

During installation, it is necessary to follow the corresponding specifications and requirements to avoid improper installation that may affect the effectiveness of use.

During use, regular inspections and maintenance should be carried out to promptly address issues and ensure the normal operation of the pipeline system.

ASME B16.5 Class 600

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	14.3	38	21.3	52	Welding Neck bore is derived from the pipe schedule	34.9	7	66.7	1.6
3/4	20	115	15.9	48	26.7	57		42.9	7	82.6	1.6
1	25	125	17.5	54	33.4	62		50.8	7	88.9	1.6
1 1/4	32	135	20.7	64	42.2	67		63.5	7	98.4	1.6
1 1/2	40	155	22.3	70	48.3	70		73	7	114.3	1.6
2	50	165	25.4	84	60.3	73		92.1	7	127	1.6
2 1/2	65	190	28.6	100	73	79		104.8	7	149.2	1.6
3	80	210	31.8	117	88.9	83		127	7	168.3	1.6
3 1/2	90	230	35	133	101.6	86		139.7	7	184.2	1.6
4	100	275	38.1	152	114.3	102		157.2	7	215.9	1.6
5	125	330	44.5	189	141.3	114		185.7	7	266.7	1.6
6	150	355	47.7	222	168.3	117		215.9	7	292.1	1.6
8	200	420	55.6	273	219.1	133		269.9	7	349.2	1.6
10	250	510	63.5	343	273	152		323.8	7	431.8	1.6
12	300	560	66.7	400	323.8	156		381	7	489	1.6
14	350	605	69.9	432	355.6	165		412.8	7	527	1.6
16	400	685	76.2	495	406.4	178		469.9	7	603.2	1.6
18	450	745	82.6	546	457	184		533.4	7	654	1.6
20	500	815	88.9	610	508	190		584.2	7	723.9	1.6
24	600	940	101.6	718	610	203		692.2	7	838.2	1.6

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 : RFWN Flange Weld Neck Flanges Forged Steel WN Flange ANSI B16.5 Flanges Weld Neck Flanges Manufacturers 3'' Weld Neck Flange

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