F304 DN80 Raised Face (RF) Socket Weld Flange (SW) Stainless Steel 150-1500# HG/T20619

Pressure Ratings:

150 lbs

300 lbs

600 lbs

900 lbs

NPS:

1/2 "

3/4"

1"

1-1/4"

1-1/2"

2"

2-1/2 "

3"

Material：:

304

304L

316

316L

Quantity:

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HG/T20619 Socket Weld Flange (SW)

Standard: HG/T20619
Material Standard: ASME A182
Manufacturing Facility Standard: ISO 9001:2015 , GB/T19001-2016
Certification: Material Test Reports (MTRS) and Certificates of Conformity (COC) are available upon request.

raised face socket weld flange

Dimensions & Sizes

DN	NPS	A	D		K	L	L	n	C	B1 (Sch40)	B1 (Sch40)	B2	B2	U	N	H	Kg
15	1/2	21.3	90	88.9	60.3	16	15.7	4	9.6	15.5	15.7	22.5	22.4	10	30	14	0.42
20	3/4	26.9	100	98.6	69.9	16	15.7	4	11.2	21	20.8	27.5	27.7	11	38	14	0.59
25	1	33.7	110	108	79.4	16	15.7	4	12.7	27	26.7	34.5	34.5	13	49	16	0.81
32	1-1/4	42.4	115	117.3	88.9	16	15.7	4	14.3	35	35.1	43.5	43.2	14	59	19	1.07
40	1-1/2	48.3	125	127	98.4	16	15.7	4	15.9	41	40.9	49.5	49.5	16	65	21	1.36
50	2	60.3	150	152.4	120.7	18	19.1	4	17.5	52	52.6	61.5	62	17	78	24	2.1
65	2-1/2	76.1	180	177.8	139.7	18	19.1	4	20.7	66	62.7	77.6	74.7	19	90	27	3.33
80	3	88.9	190	190.5	152.4	18	19.1	4	22.3	77.5	78	90.5	90.7	21	108	29	3.9
Class150(PN20) (mm)

DN	NPS	A	D		K	L	L	n	C	B1 (Sch40)	B1 (Sch40)	B2	B2	U	N	H	Kg
15	1/2	21.3	95	88.9	66.7	16	15.7	4	12.7	15.5	15.7	22.5	22.4	10	38	21	0.66
20	3/4	26.9	115	98.6	82.6	18	15.7	4	14.3	21	20.8	27.5	27.7	11	48	24	1.15
25	1	33.7	125	108	88.9	18	15.7	4	15.9	27	26.7	34.5	34.5	13	54	25	1.4
32	1-1/4	42.4	135	117.3	98.4	18	15.7	4	17.5	35	35.1	43.5	43.2	14	64	25	1.75
40	1-1/2	48.3	155	127	114.3	22	15.7	4	19.1	41	40.9	49.5	49.5	16	70	29	2.55
50	2	60.3	165	152.4	127.0	18	19.1	8	20.7	52	52.6	61.5	62	17	84	32	2.93
65	2-1/2	76.1	190	177.8	149.2	22	19.1	8	23.9	66	62.7	77.6	74.7	19	100	37	4.4
80	3	88.9	210	190.5	168.3	22	19.1	8	27.0	77.5	78	90.5	90.7	21	117	41	5.92
Class300(PN50) (mm)

DN	NPS	A	D		K	L	L	n	C	B1 (Sch40)	B2	B2	U	N	H	Kg
15	1/2	21.3	95	88.9	66.7	16	15.7	4	14.3	-	22.5	22.4	10	38	22	0.76
20	3/4	26.9	115	98.6	82.6	18	15.7	4	15.9		27.5	27.7	11	48	25	1.29
25	1	33.7	125	108	88.9	18	15.7	4	17.5	-	34.5	34.5	13	54	27	1.55
32	1-1/4	42.4	135	117.3	98.4	18	15.7	4	20.7		43.5	43.2	14	64	29	2.06
40	1-1/2	48.3	155	127	114.3	22	15.7	4	22.3	-	49.5	49.5	16	70	32	3.00
50	2	60.3	165	152.4	127.0	18	19.1	8	25.4		61.5	62	17	84	37	3.67
65	2-1/2	76.1	190	177.8	149.2	22	19.1	8	28.6	-	77.6	74.7	19	100	41	5.35
80	3	88.9	210	190.5	168.3	22	19.1	8	31.8	-	90.5	90.7	21	117	46	7.06
Class600(PN110) (mm)

DN	NPS	A	D	D	K	L	L	n	C	B1 (Sch40)	B2	B2	U	N	H	Kg
15	1/2	21.3	120	120.6	82.6	22	22.3	4	22.3	-	22.5	22.4	10	38	32	1.8
20	3/4	26.9	130	130	88.9	22	22.3	4	25.4		27.5	27.7	11	44	35	2.41
25	1	33.7	150	149.3	101.6	26	25.4	4	28.6	-	34.5	34.5	13	52	41	3.55
32	1-1/4	42.4	160	158.7	111.1	26	25.4	4	28.6	-	43.5	43.2	14	64	41	4.02
40	1-1/2	48.3	180	177.8	123.8	30	28.4	4	31.8		49.5	49.5	16	70	44	5.45
50	2	60.3	215	215.9	165.1	26	25.4	8	38.1		61.5	62	17	105	57	10.2
65	2-1/2	76.1	245	244.3	190.5	30	28.4	8	41.3	-	77.6	74.7	19	124	64	13.9
Class900(PN150)/Class1500(PN260) (mm)

Dimensions of the sealing face for Raised Face (RF) flanges

raised face socket weld flange

DN	NPS	d	≤Class300 (PN50)f1	≥Class600 (PN110)f2
15	1/2	34.9	2	7
20	3/4	42.9
25	1	50.8
32	1-1/4	63.5
40	1-1/2	73.0
50	2	92.1
65	2-1/2	104.8
80	3	127.0
100	4	157.2
125	5	185.7
150	6	215.9
200	8	269.9
250	10	323.8
300	12	381.0
350	14	412.8
400	16	469.9
450	18	533.4
500	20	584.2
600	24	692.2

This precision raised face socket weld flange ensures reliable performance in industrial piping systems. Manufactured according to HG/T20619 standards, this durable SW flange features a raised face design that enhances sealing effectiveness with standard gaskets. The robust construction of this raised face socket weld flange guarantees leak-proof connections under pressure ratings from 150 to 1500#. Ideal for chemical and petrochemical applications, this corrosion-resistant SW flange maintains structural integrity in demanding environments. The socket weld design of this raised face socket weld flange provides perfect alignment and secure installation. This high-performance SW flange delivers exceptional durability where pressure containment and reliable flanged connections are essential requirements.

Production Process:

raised face socket weld flange

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