Long Weld Neck Flange

Specification-Long Weld Neck Flange

Standards	ANSI/ASME B16.5, B16.48, ANSI Flanges, GOST Flanges, DIN Flanges, EN-1092, B16.47 Series A & B, ASME Flanges, EN Flanges, AWWA Flanges, BS Flanges.
JIS Standard	5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
DIN FLANGES	DIN 2527, 2627, 2631, 2656, 2576, 2673, 2629, 2628, 2566, 2641, 2637, 2655, 2634, 2636, 2632, 2633, 2638, 2642, 2573, 2635.
Flanges are Available in Following Materials:
Stainless Steel	SS 201, SS 202, SS 301, SS 304, SS 304L, SS 310, SS 310S, SS 316L, SS 316TI, SS 317, SS 317L, SS 321, SS 347, SS 409, SS 409M, SS 409L, SS 410, SS 410S, SS 420, SS 430, SS 431, SS 441, SS 444, SS 446, SS 17-4PH, SS 904L.
Duplex Steel	UNS S32205, UNS S31803 Flange
Super Duplex Steel	UNS S32750, UNS S32760 Flanges
Carbon Steel	Carbon steel A105 Flanges, A36 Flanges, IS 2062 Flanges, A350 LF2 Flanges, F42 Flanges, F52 Flanges, F56 Flanges, F60 Flanges, F65 Flanges, F70 Flanges, F80 Flanges, IBR flanges, A694 Flanges, SS400, SF440, ST37-2 Flanges, S235JrG2 Flanges, P250GH Flanges, C22.8 Flanges, etc.
Alloys Steel	Alloy 20, F1, F5, F9, F11, F22, F91 Flanges
Copper Alloys	Cu-Ni 70/30, Cu-Ni 90/10, C 24000, C 75700, C 51100, C 22000, C 27200, C 21000, C 26800, C 52100, C 77000, C 52000, C 11000, C 74500, C 23000, C 28000, C 12200, C 76400, C 51900, C 75400, C 26000, C 51000, C 10200, C 27000
Nickel Alloys	Nickel 200, 201
Inconel	Inconel 600, 601, 625, 718, 800, 825, X-750
Monel	Monel 400, k500
Hastelloy	Hastelloy C-22, C-276, C-4, X
Titanium	Grade 1, 4, 5(Ti 6Al-4V), 6(Ti 5Al-2.5Sn), 7, 11, 6Al-2Sn-4Zr-2Mo, Grade 12, 6Al-6V-25n, Grade 23(Ti 6AL-4V ELI), 8Ai-1Mo-1V, Grade 5 ELI, Grade 9(3Al-2.5V), 6Al-7Nb.
Aluminium	6063, 1100, 6082 A96082, 1050, 2017, 2024 A92024, 7050 A97050, 5083 A95083, 2014A A92014, 2011 A92011, 6061 A96061 A86061, 5754, 7085, 2050, 7071 7020, 7178, 5052 A95052, 7150, 7075 A97075 A87075, 7575, 2219, 7175
Pressure Rating	Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Types	Threaded, Plate, Screwed, Forged.
Supporting material	Gasket, Ring Joint, Flange Bolts
Size range	1/2" (15 NB) to 48" (1200NB) DN10~DN5000
High Temperature	Above 200°C (400°F) For Class 150 Or Above 400°C (750°F)
Low Temperature	Above -29 Degree C (−20°F)
Production technique	Forged, machined and Heat treated
Custom design	As per your drawing
Origin	Indian / USA / Korean / West Europe / Japan
Pressure Class	PN 6 TO PN 100
Coating/Surface Treatment:	Zinc Plated, Anti-rust Paint, Oil Black Paint, Yellow Transparent, Cold and Hot Dip Galvanized.
European/African/Russian Standard Flanges	Available
Test	Direct-reading Spectrograph, X-ray detector, UItrasonic flaw detector, Magnetic particle detector, Hydrostatic testing machine.
Marking Standard	Name of Manufacturer
	Schedule
	Type of Flange Facing
	Pressure Class
	Nominal Pipe Size, etc
Test Certificates	EN 10204/3.1B, NACE MR0103, NACE MR0175
	Raw Materials Certificate
	100% Radiography Test Report
	Third Party Inspection Report, etc

Long Weld Neck Flange Schedule Chart

Nominal Pipe Size	Outside Diameter	Schedule 10	Schedule 20	Schedule 30	Std. Wall	Schedule 40	Schedule 60	Extra Strong	Schedule 80	Schedule 100	Schedule 120	Schedule 140	Schedule 160	Double Extra Strong
1/2”	0.840	0.674	–	–	0.622	0.622	–	0.546	0.546	–	–	–	0.464	0.252
1”	1.315	1.097	–	–	1.049	1.049	–	0.957	0.957	–	–	–	0.815	0.599
4”	4.500	4.260	–	–	4.026	4.026	–	3.826	3.826	–	3.624	–	3.438	3.152
1.1/4”	1.660	1.442	–	–	1.380	1.380	–	1.278	1.278	–	–	–	1.160	0.896
1.1/2”	1.900	1.682	–	–	1.610	1.610	–	1.500	1.500	–	–	–	1.338	1.100
2”	2.375	2.157	–	–	2.067	2.067	–	1.939	1.939	–	–	–	1.687	1.503
3/4”	1.050	0.884	–	–	0.824	0.824	–	0.742	0.742	–	–	–	0.612	0.434
2.1/2”	2.875	2.635	–	–	2.469	2.469	–	2.323	2.323	–	–	–	2.125	1.771
3”	3.500	3.260	–	–	3.068	3.068	–	2.900	2.900	–	–	–	2.624	2.300
5”	5.563	5.295	–	–	5.047	5.047	–	4.813	4.813	–	4.563	–	4.313	4.063
6”	6.625	6.357	–	–	6.065	6.065	–	5.761	5.761	–	5.501	–	5.187	4.897
8”	8.625	8.329	8.125	8.071	7.981	7.981	7.813	7.625	7.625	7.437	7.187	7.001	6.813	6.875
10”	10.750	10.420	10.250	10.136	10.020	10.020	9.750	9.750	9.562	9.312	9.062	8.750	8.500	8.750
12”	12.750	12.390	12.250	12.090	12.000	11.938	11.626	11.750	11.374	11.062	10.750	10.500	10.126	10.750
14”	14.000	13.500	13.376	13.250	13.250	13.124	12.812	13.000	12.500	12.124	11.814	11.500	11.188	–
42”	42.000	–	–	–	41.250	–	–	41.000	–	–	–	–	–	–
16”	16.000	15.500	15.376	15.250	15.250	15.000	14.688	15.000	14.312	13.938	13.564	13.124	12.812	–
3-1/2”	4.000	3.760	–	–	3.548	3.548	–	3.364	3.364	–	–	–	–	2.728
18”	18.000	17.500	17.376	17.124	17.250	16.876	16.500	17.000	16.124	15.688	15.250	14.876	14.438	–
20”	20.000	19.500	19.250	19.000	19.250	18.812	18.376	19.000	17.938	17.438	17.000	16.500	16.062	–
24”	24.000	23.500	23.250	22.876	23.250	22.624	22.062	23.000	21.562	20.938	20.376	19.876	19.312	–
30”	30.000	29.376	29.000	28.750	29.250	–	–	29.000	–	–	–	–	–	–
36”	36.000	35.376	35.000	34.750	35.250	34.500	–	35.000	–	–	–	–	–	–

Long Weld Neck Flange Weight Chart

Nom Pipe Size	150#			300#			600#			900#			1500#			2500#
	WN	S/O	B/K	WN	S/O	B/K	WN	S/O	B/K	WN	S/O	B/K	WN	S/O	B/K	WN	S/O	B/K
1”	1.1	0.8	0.9	1.7	1.4	1.5	1.9	1.7	1.7	3.9	3.6	3.7	3.9	3.6	3.7	5.4	5	5
1/2”	0.7	0.4	0.5	0.8	0.7	0.8	0.9	0.8	0.8	2.1	1.8	1.9	2.1	1.8	1.9	3.2	3	3
3/4”	0.8	0.7	0.8	1.4	1.2	1.2	1.6	1.4	1.4	2.7	2.4	2.7	2.7	2.4	2.7	3.6	4	4.5
1.1/4”	1.5	1.2	1.3	2.2	1.8	2	2.6	2.1	2.4	4.5	4.1	4.3	4.5	4.1	4.3	7.8	8	8
1.1/2”	1.8	1.4	1.6	3.2	2.7	2.9	3.6	3.1	3.4	6.2	5.4	5.9	6.2	5.4	5.9	11.5	11	11
2”	2.7	2.2	2.6	3.6	3.2	3.5	4.7	3.9	4.4	11.3	10.5	11.3	11.3	10.5	11.3	19	17	17
2.1/2”	4.4	3.5	4.1	5.4	4.5	5.3	4.8	5.4	6.8	16.3	15.8	16	16.3	15.8	16	24	25	25
3”	5.2	3.8	5.1	7.3	5.9	7.2	8.7	7.3	8.9	15	12.3	16.8	21	21.5	19.5	42.6	38	39
3-1/2”	6.4	5	6.5	8.9	7.5	9.2	11.6	9	12.7	–	–	–	–	–	–	–	–	–
4”	7.5	5.6	7.5	11.8	10	12.2	18.4	16.5	18.6	24	23.2	24.5	31.8	31	33	64	58	60
5”	9.2	6.5	9.2	16	12.5	16	31	28.5	30.8	38.5	37.5	39.5	59	58.8	60	111	95	101
24”	119	95	190	248	212	350	372	330	532	680	632	905	1504	–	–	–	–	–
6”	11.0	8.1	11.8	20.2	16.5	22	37	36.2	38	50	48.3	51.5	72	74	75	171	146	156
8”	18.4	13	20.4	31.2	25.5	36	54.5	51.5	62.2	85	75	89	124	112	125	261	220	242
12”	37	28.5	47	63.5	52	82.5	105	89.5	132	168	146	187	306	264	316	698	590	665
14”	51	37.5	60	86	73	108	150	102	158	198	172	224	416	–	–	–	–	–
16”	61.5	44.5	61	112	88	139	177	150	225	225	192	259	567	–	–	–	–	–
10”	25.5	18.4	31	44.3	35	55	98.5	76.2	102	123	110	131	207	184	215	485	420	465
18”	71.5	54	93	141	115	178	228	180	285	318	272	383	736	–	–	–	–	–
20”	85	72	127	173	139	228	285	231	365	376	330	482	929	–	–	–	–	–

Long Welding Neck Pressure Ratings

Temperature °F	Class 150#	Class 300#	Class 400#	Class 600#	Class 900#	Class 1500#	Class 2500#
400	195	515	685	1025	1540	2570	4280
-20 to 100	275	720	960	1440	2160	3600	6000
200	235	620	825	1240	1860	3095	5160
500	170	480	635	955	1435	2390	3980
650	125	445	590	890	1330	2220	3700
700	110	430	580	870	1305	2170	3620
750	95	425	570	855	1280	2135	3560
800	80	420	565	845	1265	2110	3520
300	215	560	745	1120	1680	2795	4660
1150	20	235	315	475	710	1185	1970
600	140	450	600	900	1355	2255	3760
850	65	420	555	835	1255	2090	3480
900	50	415	555	830	1245	2075	3460
950	35	385	515	775	1160	1930	3220
1050	20	345	460	685	1030	1720	2865
1100	20	305	405	610	915	1525	2545
1200	20	185	245	370	555	925	1545
1500	20	40	55	85	125	205	345
1250	20	145	195	295	440	735	1230
1350	20	95	130	190	290	480	800
1000	20	350	465	700	1050	1750	2915
1400	20	75	100	150	225	380	630
1450	20	60	80	115	175	290	485
1300	20	115	155	235	350	585	970

SS LWNRF Flange Tolerance

Dimension	Flange	Tolerance
A	Outside Diameter	When Outer Diameter is 24 inch or less: ±1/16 inch (1.6mm) When Outer Diameter is over 24 inch: ±1/8 inch (3.2mm)
D	Inside Diameter	10" and smaller: ±1/32" (0.8mm) 12" thru 18": +1/8" (3.2mm) 20" and larger: -1/16" (1.6mm)
B	Diameter of contact face	1/16 inch raised face: ±1/32 inch (0.8mm) 1/4 inch Raised Face, Tongue & Groove (male & female): ±1/64 inch (0.4mm)
J	Diameter of hub at base	When hub base is 24 inch or smaller: ±1/16 Inch (1.6mm) When hub base is over 24 Inch: ±1/8" (3.2mm)
H	Diameter of hub at point of welding	5 Inch and smaller: +3/32 Inch (2.4mm), -1/32 Inch (0.8mm) 6 Inch and larger: +5/32 Inch (4.0mm), -1/32 (0.8mm)
P	Drilling	Bolt circle: ±1/16 Inch (1.6mm) Bolt hole spacing: ±1/32 Inch (0.8mm)
	Eccentricity of bolt circle with respect to facing	2 1/2 Inch and smaller ±1/32 Inch (0.8mm) max. 3 Inch and larger ±1/16 Inch (1.6mm) max.
C	Thickness	18 Inch and smaller: ±1/8 Inch (3.2mm), -0" 20 Inch and larger: ±3/16 Inch (4.8mm), -0"
K	Length of hub	10 inch and smaller: ±1/16 Inch (1.6mm) 12 Inch and larger: ±1/8 Inch (3.2mm)

Long Welding Neck Flange Dimensions Class 150

ø In Inches	D	b	g	m	a	J*	h	k	Holes	l	Kg.
1/2	88,9	11,1	34,9	30,2	21,3	15,7	47,6	60,3	4	15,9	0,500
3/4	98,4	12,7	42,9	38,1	26,7	20,8	52,4	69,8	4	15,9	0,700
1	107,9	14,3	50,8	49,2	33,5	26,7	55,6	79,4	4	15,9	1,100
1 1/4	117,5	15,9	63,5	58,8	42,2	35,1	57,1	88,9	4	15,9	1,500
1 1/2	127,0	17,5	73,0	65,1	48,3	40,9	61,9	98,4	4	15,9	1,800
2	152,4	19,0	92,1	77,8	60,3	52,6	63,5	120,6	4	19,0	2,700
2 1/2	177,8	22,2	104,8	90,5	73,1	62,7	69,8	139,7	4	19,0	4,400
3	190,5	23,8	127,0	107,9	88,9	78,0	69,8	152,4	4	19,0	5,200
3 1/2	215,9	23,8	139,7	122,2	101,6	90,2	71,4	177,8	8	19,0	6,400
4	228,6	23,8	157,2	134,9	114,3	102,4	76,2	190,5	8	19,0	7,500
5	254,0	23,8	185,7	163,5	141,2	128,3	88,9	215,9	8	22,2	9,200
8	342,9	28,6	269,9	246,1	219,1	202,7	101,6	298,4	8	22,2	18,300
10	406,4	30,2	323,8	304,8	273,0	254,5	101,6	361,9	12	25,4	25,000
12	482,6	31,7	381,0	365,1	323,8	304,8	114,3	431,8	12	25,4	39,000
24	812,8	47,6	692,1	663,6	609,6	590,5	152,4	749,3	20	34,9	119,000
14	533,4	34,9	412,7	400,0	355,6	336,5	127,0	476,2	12	28,6	51,000
16	596,9	36,5	469,9	457,2	406,4	387,3	127,0	539,7	16	28,6	60,000
18	635,0	39,7	533,4	504,8	457,2	438,1	139,7	577,8	16	31,7	71,000
20	698,5	42,9	584,2	558,8	508,0	488,9	144,5	635,0	20	31,7	88,000
22	749,3	46,0	641,2	609,6	558,8	539,7	149,2	692,1	20	34,9	102,000
6	279,4	25,4	215,9	192,1	168,4	154,2	88,9	241,3	8	22,2	11,000

Long Weld Neck Flange Class 300 Dimensions Standards

ø in Inches	D	b	g	m	a	J*	h	k	Holes	l	Kg.
3/4	117,5	15,9	42,9	47,6	26,7	20,8	57,1	82,5	4	19,0	1,500
2	165,1	22,2	92,1	84,1	60,3	52,6	69,8	127,0	8	19,0	3,600
1	123,8	17,5	50,8	54,0	33,5	26,7	61,9	88,9	4	19,0	1,900
1 1/4	133,3	19,0	63,5	63,5	42,2	35,1	65,1	98,4	4	19,0	2,600
1/2	95,2	14,3	34,9	38,1	21,3	15,7	52,4	66,7	4	15,9	0,900
1 1/2	155,6	20,6	73,0	69,8	48,3	40,9	68,3	114,3	4	22,2	3,300
2 1/2	190,5	25,4	104,8	100,0	73,1	62,7	76,2	149,2	8	22,2	5,400
3	209,5	28,6	127,0	117,5	88,9	78,0	79,4	168,3	8	22,2	7,400
3 1/2	228,6	30,2	139,7	133,3	101,6	90,2	81,0	184,1	8	22,2	8,900
8	381,0	41,3	269,9	260,3	219,1	202,7	111,1	330,2	12	25,4	31,000
4	254,0	31,7	157,2	146,0	114,3	102,4	85,7	200,0	8	22,2	11,900
5	279,4	34,9	185,7	177,8	141,2	128,3	98,4	234,9	8	22,2	16,000
6	317,5	36,5	215,9	206,4	168,4	154,2	98,4	269,9	12	22,2	20,200
10	444,5	47,6	323,4	320,7	273,0	254,5	117,5	387,3	16	28,6	44,300
12	520,7	50,8	381,0	374,6	323,8	304,8	130,2	450,8	16	31,7	64,000
14	584,2	54,0	412,7	425,4	355,6	336,5	142,9	514,3	20	31,7	88,000
24	914,4	69,8	692,1	701,7	609,6	590,5	168,3	812,8	24	41,3	238,000
16	647,7	57,1	469,9	482,6	406,4	387,3	146,0	571,5	20	34,9	113,000
18	711,2	60,3	533,4	533,4	457,2	438,1	158,7	628,6	24	34,9	134,000
20	774,7	63,5	584,2	587,4	508,0	488,9	161,9	685,8	24	34,9	171,000
22	838,2	66,7	641,2	641,2	558,8	539,7	165,1	742,9	24	41,3	195,000

LWNRF Flange Dimensions Class 600

ø in Inches	D	b	g	m	J	h	k	Holes	l	Kg.
3/4	117,5	15,9	42,9	47,6	27,7	25,4	82,5	4	19,0	1,400
1	123,8	17,5	50,8	54,0	34,5	27,0	88,9	4	19,0	1,600
1 1/4	133,3	20,6	63,5	63,5	43,2	28,6	98,4	4	19,0	2,100
1 1/2	155,6	22,2	73,0	69,8	49,5	31,7	114,3	4	22,2	3,100
2	165,1	25,4	92,1	84,1	62,0	36,5	127,0	8	19,0	3,700
4	273,0	38,1	157,2	152,4	116,1	54,0	215,9	8	25,4	11,800
1/2	95,2	14,3	34,9	38,1	22,3	22,2	66,7	4	15,9	0,800
2 1/2	190,5	28,6	104,8	100,0	74,7	41,3	149,2	8	22,2	5,400
3	209,5	31,7	127,0	117,5	90,7	46,0	168,3	8	22,2	7,300
3 1/2	228,6	34,9	139,7	133,3	103,4	49,2	184,1	8	25,4	8,900
5	330,2	44,4	185,7	188,9	143,8	60,3	266,7	8	28,6	24,500
6	355,6	47,6	215,9	222,2	170,7	66,7	292,1	12	28,6	29,500
8	419,1	55,6	269,9	273,0	221,5	76,2	349,2	12	31,7	43,000
24	939,8	101,6	692,1	717,5	615,9	139,7	838,2	24	50,8	330,000
12	558,8	66,7	381,0	400,0	327,1	92,1	488,9	20	34,9	86,000
14	603,2	69,8	412,7	431,8	359,1	93,7	527,0	20	38,1	100,000
16	685,8	76,2	469,9	495,3	410,5	106,4	603,2	20	41,3	142,000
10	508,0	63,5	323,8	342,8	276,3	85,7	431,8	16	34,9	70,000
18	742,9	82,5	533,4	546,1	461,8	117,5	654,0	20	44,4	175,000
20	812,8	88,9	584,2	609,6	513,1	127,0	723,9	24	44,4	232,000
22	869,9	95,2	641,2	666,7	564,4	133,3	777,9	24	47,6	292,000

SS Long Weld Neck Flange Dimensions Class 900

Size in Inches	Size in mm	OD Outer Diameter	Flange thickness	Hub Outer Diameter	Weld Neck Outer Diameter	Welding Neck Length	Bore	Raised Fase Diameter	Raised Fase Height	PCD	Weld Face
		A	B	C	D	E	F	G	H	I	J
3/4	20	130	25.4	44	26.7	70	42.9	7	88.9	1.6
1/2	15	120	22.3	38	21.3	60	Refer Note	34.9	7	82.6	1.6
1	25	150	28.6	52	33.4	73		50.8	7	101.6	1.6
1 1/4	32	160	28.6	64	42.2	73		63.5	7	111.1	1.6
3	80	240	38.1	127	88.9	102		127	7	190.5	1.6
1 1/2	40	180	31.8	70	48.3	83		73	7	123.8	1.6
2	50	215	38.1	105	60.3	102		92.1	7	165.1	1.6
2 1/2	65	245	41.3	124	73	105		104.8	7	190.5	1.6
4	100	290	44.5	159	114.3	114		157.2	7	235	1.6
14	350	640	85.8	451	355.6	213		412.8	7	558.8	1.6
5	125	350	50.8	190	141.3	127		185.7	7	279.4	1.6
6	150	380	55.6	235	168.3	140		215.9	7	317.5	1.6
10	250	545	69.9	368	273	184		323.8	7	469.9	1.6
12	300	610	79.4	419	323.8	200		381	7	533.4	1.6
16	400	705	88.9	508	406.4	216		469.9	7	616	1.6
18	450	785	101.6	565	457	229		533.4	7	685.8	1.6
24	600	1040	139.7	749	610	292		692.2	7	901.7	1.6
8	200	470	63.5	298	219.1	162		269.9	7	393.7	1.6
20	500	855	108	622	508	248		584.2	7	749.3	1.6

long Welding Neck Flange Dimensions 1500#

Size in Inch	Size in mm	Outer Diameter	Flange Thickness	Hub Outer Diameter	Weld Neck Outer Diameter	Welding Neck Length	Bore	Raised Face Diameter	Raised Face Height	PCD	Weld Face
		A	B	C	D	E	F	G	H	I	J
3/4	20	130	25.4	44	26.7	70	42.9	7	88.9	1.6
1	25	150	28.6	52	33.4	73	50.8	7	101.6	1.6
1 1/4	32	160	28.6	64	42.2	73	63.5	7	111.1	1.6
1/2	15	120	22.3	38	21.3	60	Refer Note	34.9	7	82.6	1.6
1 1/2	40	180	31.8	70	48.3	83		73	7	123.8	1.6
2	50	215	38.1	105	60.3	102		92.1	7	165.1	1.6
3	80	265	47.7	133	88.9	117		127	7	203.2	1.6
4	100	310	54	162	114.3	124		157.2	7	241.3	1.6
5	125	375	73.1	197	141.3	156		185.7	7	292.1	1.6
14	350	750	133.4	495	355.6	298		412.8	7	635	1.6
24	600	1170	203.2	762	610	406		692.2	7	990.6	1.6
6	150	395	82.6	229	168.3	171		215.9	7	317.5	1.6
8	200	485	92.1	292	219.1	213		269.9	7	393.7	1.6
10	250	585	108	368	273	254		323.8	7	482.6	1.6
12	300	675	123.9	451	323.8	283		381	7	571.5	1.6
16	400	825	146.1	552	406.4	311		469.9	7	704.8	1.6
2 1/2	65	245	41.3	124	73	105		104.8	7	190.5	1.6
18	450	915	162	597	457	327		533.4	7	774.7	1.6
20	500	985	177.8	641	508	356		584.2	7	831.8	1.6

Long Weld Neck Flange Class 2500 Dimensions Tabel

Size in Inch	Size in mm	Outer Diameter	Flange Thickness	Hub Outer Diameter	Weld Neck Outer Diameter	Welding Neck Length	Bore	Rasied Face Diameter	Rasied Face Height	PCD	Weld Face
		A	B	C	D	E	F	G	H	I	J
1/2	15	135	30.2	43	21.3	73	Refer Note	34.9	7	88.9	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
10	250	675	165.1	375	273	419		323.8	7	539.8	1.6
3/4	20	140	31.8	51	26.7	79		42.9	7	95.2	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
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
3	80	305	66.7	133	88.9	168		127	7	228.6	1.6
12	300	760	184.2	441	323.8	464		381	7	619.1	1.6

Application

Food & Beverage
Paper Industry
Pharmaceutical
Hospital Equipment
Textiles
Dairy
Aircraft
Chemicals
Others Parts in Machinery

Testing

Hydrostatic Test
Macro Test
Ultra Sonic Test (UT)
Micro Test
Hardness Test
Radiography Test
Pitting Resistance Test
PMI Testing
Mechanical Testing
X-ray detector

Packing

Wooden Boxes
Shrink-Wrapped
Carton Boxes
Wooden Crates
Wooden Pallets

Long Weld Neck Flange

Specification-Long Weld Neck Flange

Long Weld Neck Flange Schedule Chart

Long Weld Neck Flange Weight Chart

Long Welding Neck Pressure Ratings

SS LWNRF Flange Tolerance

Long Welding Neck Flange Dimensions Class 150

Long Weld Neck Flange Class 300 Dimensions Standards

LWNRF Flange Dimensions Class 600

SS Long Weld Neck Flange Dimensions Class 900

long Welding Neck Flange Dimensions 1500#

Long Weld Neck Flange Class 2500 Dimensions Tabel

Application

Testing

Packing

Stainless Steel Flanges

Materials

For Business Dealing:

Address

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