Custom Weld Neck Flange, , 16 Inch, RTJ, SCH 40, 150 LB, B16.5, OEM Forging Factory

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ASME B16.5 Class 150 RTJ

Size in Inch	Size in mm	Outer Dia.	Flange Thickness	Hub OD	Weld Neck OD	Welding Neck Length	RTJ RF Dia	RTJ RF Height	PCD	RTJ Pitch dia	RTJ Depth	RTJ Width	Bore
		A	B	C	D	E	F	G	H	I	J	K	L
1/2	15	90	9.6	30	21.3	46	N/A	N/A	60.3	N/A	N/A	N/A	Welding Neck bore is derived from the pipe schedule
3/4	20	100	11.2	38	26.7	51	N/A	N/A	69.9	N/A	N/A	N/A
1	25	110	12.7	49	33.4	54	63.5	6.35	79.4	47.63	6.35	8.74
1 1/4	32	115	14.3	59	42.2	56	73	6.35	88.9	57.15	6.35	8.74
1 1/2	40	125	15.9	65	48.3	60	82.5	6.35	98.4	65.07	6.35	8.74
2	50	150	17.5	78	60.3	62	102	6.35	120.7	82.55	6.35	8.74
2 1/2	65	180	20.7	90	73	68	121	6.35	139.7	101.6	6.35	8.74
3	80	190	22.3	108	88.9	68	133	6.35	152.4	114.3	6.35	8.74
3 1/2	90	215	22.3	122	101.6	70	154	6.35	177.8	131.78	6.35	8.74
4	100	230	22.3	135	114.3	75	171	6.35	190.5	149.23	6.35	8.74
5	125	255	22.3	164	141.3	87	194	6.35	215.9	171.45	6.35	8.74
6	150	280	23.9	192	168.3	87	219	6.35	241.3	193.68	6.35	8.74
8	200	345	27	246	219.1	100	273	6.35	298.5	247.65	6.35	8.74
10	250	405	28.6	305	273	100	330	6.35	362	304.8	6.35	8.74
12	300	485	30.2	365	323.8	113	406	6.35	431.8	381	6.35	8.74
14	350	535	33.4	400	355.6	125	425	6.35	476.3	396.88	6.35	8.74
16	400	595	35	457	406.4	125	483	6.35	539.8	454.03	6.35	8.74
18	450	635	38.1	505	457.2	138	546	6.35	577.9	517.53	6.35	8.74
20	500	700	41.3	559	508	143	597	6.35	635	558.8	6.35	8.74
24	600	815	46.1	663	610	151	711	6.35	749.3	673.1	6.35	8.74

The flange forging process generally consists of the following steps: selecting high-quality steel bars for cutting, heating, forming, and cooling after forging. The forging process methods include free forging, die forging, and membrane forging. During production, different forging methods are selected based on the quality of the forgings and the number of production batches.

Advantages of weld neck flange/ neck welded flange/ welding neck flange/ WN flange:

1. Connect the pipeline and maintain its sealing performance;

2. Facilitate the replacement of a certain section of pipeline;

3. Easy to disassemble and inspect pipeline conditions;

4. Facilitate the closure of a certain section of the pipeline.

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 : Weld Neck Flange RTJ WN Flange Flange WN Welding Flange Flanges Welding WN Flange

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