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Blind Flanges Manufacturer

Blind Flanges Supplier in Mumbai, India

We are ISO Certified Manufacturer and Stockist of Blind Flanges in Stainless Steel, Carbon Steel, Mild Steel, Alloy Steel, Duplex Steel, Super Duplex Steel, Hastelloy, Monel, Copper Nickel, Inconel, Incoloy, Nickel Alloy, Alloy 20, 254 Smo, Titaniun, Bronze, Aluminium, Brass at Reasonable Price.

We are Leading Exporter and Supplier of ASME/ANSI B16.5, ASME/ANSI B16.47 Blind Flange, Series A & B BLFF Flange, Class 150 BLRF Flange, MSS SP-44 Blind Flange, 300# SS 304 and 316 Blind Flange RTJ, Flat Face & Raised Face Blind Flange, ASTM A105 Blind Flange, EN 1092-1 Blind Flange, AWWA Dummy Flange, KF Blind Flange Class 300#, 600#, 900#, 1500#, 2500# Dimensions.

Blind Flange Standard Specifications Dummy Flange Specification Chart

Product Name	Blind Flanges \| BLFF Flange \| BLRF Flange
Size Range	1/2″ (15 NB) to 48″ (1200NB)
Class / Pressure Rating	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Standards / Dimensions	ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605
Flange Face Types / Connection Type	Flat Face Flange (FF), Raised Face Flange (RF), Ring Joint Flange (RTJ), Lap Joint Flange, Male and Female Flange (M&F), Large and Small Tongue-and-Groove Flange (T&G)
Dimensions	ANSI B16.5, ANSI B16.47 Series A & B, ASA, API-605, MSS SP44, AWWA, Custom Drawings
Custom Design	As per your drawing \| AS, BS, ANSI, DIN, JIS \| Equal and Reducing Configurations
Material Test Certificates (MTC)	As per EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103
Test Certificates	100% Radiography Test Report, EN 10204/3.1B, Raw Materials Certificate, Third Party Inspection Report, etc
Tests	Hydrostatic testing machine, Direct-reading Spectrograph, UI trasonic flaw detector, X-ray detector, Magnetic particle detector
Equipment / Machines	Press machine, Pushing Machine, Bending machine, Sand-blasting machine, electric bevelling machine, etc.
Coating	Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Origin	Indian / USA / Japan / West Europe / Korean
Applications/Usage	Offshore, Oil Field, Shipbuilding, Water System, Natural Gas, Pipe Projects, Electric Power, etc.
Top Export Network	USA, UK, Qatar, Mexico, Nigeria, Saudi Arabia, Kuwait, Iran, Kazakhstan, Bahrain, Vietnam, Indonesia, Norway, Ghana, Colombia, Azerbaijan, Libya.

Blind Flange Material Grades Blind Flange Material Standard

Stainless Steel Blind Flange	ASTM/ASME A/SA182:- F304, F304L, F316, F316L, ASTM/ASME A/SA351:- CF3, CF3M, CF8, CF8M, DIN 1.4306, DIN 1.4301, DIN 1.4404, DIN 1.4401, DIN 1.4408, DIN 1.4308, DIN 1.4306, DIN 1.4409
Duplex Blind Flange	S31803 / S32205 A182:- Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex Blind Flange	S32750 / S32760 A182:- Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Copper Nickel Blind Flange	ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
Titanium Blind Flange	ASTM B381 / ASME SB381:- Titanium Gr. 1, Titanium Gr. 2, Titanium Gr. 4, Titanium Gr. 5, Titanium Gr. 7 ASTM R50250/GR.1 \| R50400/GR.2 \| R50550/GR.3 \| R50700/GR.4 \| GR.6 \|R52400/GR.7 \| R53400/GR.12 \| R56320/GR.9 \| R56400/GR.5
Copper Blind Flange	TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000, C12200, C12300, T1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910, C10920, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, etc
Incoloy Blind Flange	ASTM B564 / ASME SB564:- Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925
Inconel Blind Flange	ASTM B564 / ASME SB564:- Inconel 600, 601, 625, 718, 783, 690, x750
Nickel Blind Flange	ASTM B564 / ASME SB564:- Nickel 200, Nickel 201, Nickel 205, Nickel 205LC
Hastelloy Blind Flange	ASTM B564 / ASME SB564:- Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X
Monel Blind Flange	ASTM B564 / ASME SB564:- Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
Carbon Steel Blind Flange	ASTM/ASME A/SA105 A/SA105N and A/SA216-WCB, DIN 1.0460, DIN 1.0402, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, CS High Yield ASTM A694 / A694 (F52, F56, F60, F65, F70, F80)
Alloy Steel Blind Flange	ASTM A182 / ASME SA182:- F5, F9, F11, F12, F22, F91
Alloy 20 Blind Flange	ASTM B462 / ASME SB462:- Carpenter® 20 Alloy, Alloy 20Cb-3
254 SMO Blind Flange	ASTM A182 / ASME SA182:- SMO 254/6Mo, UNS S31254, DIN 1.4547
Aluminium Blind Flange	5052 /6061/ 6063 / 2017 / 7075 / etc.
Brass Blind Flange	3602 / 2604 / H59 / H62 / etc.
Other Blind Flange material	Tin bronze, Alumunum bronze, Lead bronze, Nimonic 75, Nimonic 80A, Nimonic 90, AISI 4140, AISI 4130, Mild Steel, Al6XN Flanges

Blind Flange Standards Blind Flange Standard Dimensions

Blind Flange Class 150 Dimensions ASME B16.5 Pressure Rating Class 150

ø	D	b	g	k	Holes	l	Kg.
1/2″	88,9	11,1	34,9	60,3	4	15,9	0,400
3/4″	98,4	12,7	42,9	69,8	4	15,9	0,700
1″	107,9	14,3	50,8	79,4	4	15,9	0,900
1 1/4″	117,5	15,9	63,5	88,9	4	15,9	1,300
1 1/2″	127,0	17,5	73,0	98,4	4	15,9	1,600
2″	152,4	19,0	92,1	120,6	4	19,0	2,600
2 1/2″	177,8	22,2	104,8	139,4	4	19,0	4,100
3″	190,5	23,8	127,0	152,4	4	19,0	5,000
3 1/2″	215,9	23,8	139,7	177,8	8	19,0	6,400
4″	228,6	23,8	157,2	190,5	8	19,0	7,100
5″	254,0	23,8	185,7	215,9	8	22,2	9,000
6″	279,4	25,4	215,9	241,3	8	22,2	11,800
8″	342,9	28,6	269,9	298,4	8	22,2	21,000
10″	406,4	30,2	323,4	361,9	12	25,4	30,000
12″	482,6	31,7	381,0	431,8	12	25,4	45,000
14″	533,4	34,9	412,7	476,2	12	28,6	59,000
16″	596,9	36,5	469,9	539,9	16	28,6	79,000
18″	635,0	39,7	533,4	577,8	16	31,7	97,000
20″	698,5	42,9	584,2	635,0	20	31,7	124,000
22″	749,3	46,0	641,2	692,1	20	34,9	151,000
24″	812,8	47,6	692,1	749,3	20	34,9	188,000

Blind Flange Class 300 Dimensions ASME B16.5 Pressure Rating Class 300

ø	D	b	g	k	Holes	l	Kg.
1/2″	95,2	14,3	34,9	66,7	4	15,9	0,700
3/4″	117,5	15,9	42,9	82,5	4	19,0	1,200
1″	123,8	17,5	50,8	88,9	4	19,0	1,500
1 1/4″	133,3	19,0	63,5	98,4	4	19,0	2,000
1 1/2″	155,6	20,6	73,0	114,3	4	22,2	2,900
2″	165,1	22,2	92,1	127,0	8	19,0	3,400
2 1/2″	190,5	25,4	104,8	149,2	8	22,2	5,100
3″	209,5	28,6	127,0	168,3	8	22,2	7,000
3 1/2″	228,6	30,2	139,7	184,1	8	22,2	8,900
4″	254,0	31,7	157,2	200,0	8	22,2	11,800
5″	279,4	34,9	185,7	234,9	8	22,2	15,500
6″	317,5	36,5	215,9	269,9	12	22,2	21,300
8″	381,0	41,3	269,9	330,2	12	25,4	35,200
10″	444,5	47,6	323,8	387,3	16	28,6	57,000
12″	520,7	50,8	381,0	450,8	16	31,7	82,000
14″	584,2	54,0	412,7	514,3	20	31,7	106,000
16″	647,7	57,1	469,9	571,5	20	34,9	140,000
18″	711,2	60,3	533,4	628,6	24	34,9	178,000
20″	774,7	63,5	584,2	685,8	24	34,9	223,000
22″	838,2	66,7	641,2	742,9	24	41,3	270,000
24″	914,4	69,8	692,1	812,8	24	41,3	345,000

Blind Flange Class 400 Dimensions ASME B16.5 Pressure Rating Class 400

Size in Inch	Size in mm	Outer Dia.	Flange Thick.	RF Dia.	RF Height	PCD	No of Bolts	Bolt Size UNC	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
		A	B	C	D	E
1/2	15	95	14.3	34.9	7	66.7	4	1/2	75	5/8	M14	1.5
3/4	20	115	15.9	42.9	7	82.6	4	5/8	90	3/4	M16	1.5
1	25	125	17.5	50.8	7	88.9	4	5/8	90	3/4	M16	1.8
1 1/4	32	135	20.7	63.5	7	98.4	4	5/8	95	3/4	M16	2.3
1 1/2	40	155	22.3	73	7	114.3	4	3/4	110	7/8	M20	3.7
2	50	165	25.4	92.1	7	127	8	5/8	110	3/4	M16	4.6
2 1/2	65	190	28.6	104.8	7	149.2	8	3/4	120	7/8	M20	6.8
3	80	210	31.8	127	7	168.3	8	3/4	125	7/8	M20	9.1
3 1/2	90	230	35	N/A	7	184.2	8	7/8	140	1	M24	13.2
4	100	255	35	157.2	7	200	8	7/8	140	1	M24	15
5	125	280	38.1	185.7	7	235	8	7/8	145	1	M24	20
6	150	320	41.3	215.9	7	269.9	12	7/8	150	1	M24	28
8	200	380	47.7	269.9	7	330	12	1	170	1 1/8	M27	46
10	250	445	54	323.8	7	387.4	16	1 1/8	190	1 1/4	M30	71
12	300	520	57.2	381	7	450.8	16	1 1/4	205	1 3/8	M33	102
14	350	585	60.4	412.8	7	514.4	20	1 1/4	210	1 3/8	M33	132
16	400	650	63.5	469.9	7	571.5	20	1 3/8	220	1 1/2	M36	168
18	450	710	66.7	533.4	7	628.6	24	1 3/8	230	1 1/2	M36	207
20	500	775	69.9	584.2	7	685.8	24	1 1/2	240	1 3/4	M39	266
24	600	915	76.2	692.2	7	812.8	24	1 3/4	265	1 7/8	M45	405

Blind Flange Class 600 Dimensions ASME B16.5 Pressure Rating Class 600

ø	D	b	g	k	Holes	l	Kg.
1/2″	95,2	14,3	34,9	66,7	4	15,9	0,700
3/4″	117,5	15,9	42,9	82,5	4	19,0	1,200
1″	123,8	17,5	50,8	88,9	4	19,0	1,500
1 1/4″	133,3	20,6	63,5	98,4	4	19,0	2,000
1 1/2″	155,6	22,2	73,0	114,3	4	22,2	3,200
2″	165,1	25,4	92,1	127,0	8	19,0	4,300
2 1/2″	190,5	28,6	104,8	149,2	8	22,2	6,000
3″	209,5	31,7	127,0	168,3	8	22,2	8,000
3 1/2″	228,6	34,9	139,7	184,1	8	25,4	10,500
4″	273,0	38,1	157,2	215,9	8	25,4	18,000
5″	330,2	44,4	185,7	266,7	8	28,6	28,500
6″	355,6	47,6	215,9	292,1	12	28,6	35,500
8″	419,1	55,6	269,9	349,2	12	31,7	58,000
10″	508,0	63,5	323,8	431,8	16	34,9	98,000
12″	558,8	66,7	381,0	488,9	20	34,9	125,000
14″	603,2	69,8	412,7	527,0	20	38,1	151,000
16″	685,8	76,2	469,9	603,2	20	41,3	215,000
18″	742,9	82,5	533,4	654,0	20	44,4	287,000
20″	812,8	88,9	584,2	723,9	24	44,4	366,000
22″	869,9	95,2	641,2	777,9	24	47,6	437,000
24″	939,8	101,6	692,1	838,2	24	50,8	532,000

Blind Flange Class 900 Dimensions ASME B16.5 Pressure Rating Class 900

Size in Inch	Size in mm	Outer Dia.	Flange Thick.	RF Dia.	RF Height	PCD	No of Bolts	Bolt Size UNC	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
		A	B	C	D	E
1/2	15	120	22.3	34.9	7	82.6	4	3/4	110	7/8	M20	1.8
3/4	20	130	25.4	42.9	7	88.9	4	3/4	115	7/8	M20	2.7
1	25	150	28.6	50.8	7	101.6	4	7/8	125	1	M24	3.6
1 1/4	32	160	28.6	63.5	7	111.1	4	7/8	125	1	M24	4.1
1 1/2	40	180	31.8	73	7	123.8	4	1	140	1 1/8	M27	5.9
2	50	215	38.1	92.1	7	165.1	8	7/8	145	1	M24	10.1
2 1/2	65	245	41.3	104.8	7	190.5	8	1	160	1 1/8	M27	16
3	80	240	38.1	127	7	190.5	8	7/8	145	1	M24	13
4	100	290	44.5	157.2	7	235	8	1 1/8	170	1 1/4	M30	24.5
5	125	350	50.8	185.7	7	279.4	8	1 1/4	190	1 3/8	M33	39.5
6	150	380	55.6	215.9	7	317.5	12	1 1/8	190	1 1/4	M30	53
8	200	470	63.5	269.9	7	393.7	12	1 3/8	220	1 1/2	M36	91
10	250	545	69.9	323.8	7	469.9	16	1 3/8	235	1 1/2	M36	132
12	300	610	79.4	381	7	533.4	20	1 3/8	255	1 1/2	M36	189
14	350	640	85.8	412.8	7	558.8	20	1 1/2	275	1 5/8	M39	237
16	400	705	88.9	469.9	7	616	20	1 5/8	285	1 3/4	M42	273
18	450	785	101.6	533.4	7	685.8	20	1 7/8	325	2	M48	367
20	500	855	108	584.2	7	749.3	20	2	350	2 1/8	M52	463
24	600	1040	139.7	692.2	7	901.7	20	2 1/2	440	2 5/8	M64	875

Blind Flange Class 1500 Dimensions ASME B16.5 Pressure Rating Class 1500

Size in Inch	Size in mm	Outer Dia.	Flange Thick.	RF Dia.	RF Height	PCD	No of Bolts	Bolt Size UNC	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
		A	B	C	D	E
1/2	15	120	22.3	34.9	7	82.6	4	3/4	110	7/8	M20	1.8
3/4	20	130	25.4	42.9	7	88.9	4	3/4	115	7/8	M20	2.7
1	25	150	28.6	50.8	7	101.6	4	7/8	125	1	M24	3.7
1 1/4	32	160	28.6	63.5	7	111.1	4	7/8	125	1	M24	4.1
1 1/2	40	180	31.8	73	7	123.8	4	1	140	1 1/8	M27	5.9
2	50	215	38.1	92.1	7	165.1	8	7/8	145	1	M24	10.1
2 1/2	65	245	41.3	104.8	7	190.5	8	1	160	1 1/8	M27	15.9
3	80	265	47.7	127	7	203.2	8	1 1/8	180	1 1/4	M30	21.8
4	100	310	54	157.2	7	241.3	8	1 1/4	195	1 3/8	M33	33
5	125	375	73.1	185.7	7	292.1	8	1 1/2	250	1 5/8	M39	64
6	150	395	82.6	215.9	7	317.5	12	1 3/8	260	1 1/2	M36	75
8	200	485	92.1	269.9	7	393.7	12	1 5/8	290	1 3/4	M42	136
10	250	585	108	323.8	7	482.6	12	1 7/8	335	2	M48	232
12	300	675	123.9	381	7	571.5	16	2	375	2 1/8	M52	314
14	350	750	133.4	412.8	7	635	16	2 1/4	405	2 3/8	M56	443
16	400	825	146.1	469.9	7	704.8	16	2 1/2	445	2 5/8	M64	591
18	450	915	162	533.4	7	774.7	16	2 3/4	495	2 7/8	M72	795
20	500	985	177.8	584.2	7	831.8	16	3	540	3 1/8	M76	1022
24	600	1170	203.2	692.2	7	990.6	16	3 1/2	615	3 5/8	M90	1648

Blind Flange Class 2500 Dimensions ASME B16.5 Pressure Rating Class 2500

Size in Inch	Size in mm	Outer Dia.	Flange Thick.	RF Dia.	RF Height	PCD	No of Bolts	Bolt Size UNC	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
		A	B	C	D	E
1/2	15	135	30.2	34.9	7	88.9	4	3/4	120	7/8	M20	3.2
3/4	20	140	31.8	42.9	7	95.2	4	3/4	125	7/8	M20	3.7
1	25	160	35	50.8	7	108	4	7/8	140	1	M24	5
1 1/4	32	185	38.1	63.5	7	130.2	4	1	150	1 1/8	M27	7.8
1 1/2	40	205	44.5	73	7	146	4	1 1/8	170	1 1/4	M30	10.5
2	50	235	50.9	92.1	7	171.4	8	1	180	1 1/8	M27	18
2 1/2	65	265	57.2	104.8	7	196.8	8	1 1/8	195	1 1/4	M30	25.5
3	80	305	66.7	127	7	228.6	8	1 1/4	220	1 3/8	M33	39
4	100	355	76.2	157.2	7	273	8	1 1/2	255	1 5/8	M39	61.5
5	125	420	92.1	185.7	7	323.8	8	1 3/4	300	1 7/8	M45	102
6	150	485	108	215.9	7	368.3	8	2	345	2 1/8	M52	157
8	200	550	127	269.9	7	438.2	12	2	380	2 1/8	M52	241
10	250	675	165.1	323.8	7	539.8	12	2 1/2	490	2 5/8	M64	470
12	300	760	184.2	381	7	619.1	12	2 3/4	540	2 7/8	M72	575

ANSI/ASME B16.47 Flanges	ANSI/ASME B16.36 Flanges	ANSI/ASME B16.5 Flanges	Pr. EN1902-1 Flanges
DIN Flanges	JIS Flanges	BS 4504 Flanges	BS 10 Flanges
MSS SP-44 Flanges	JIS B2220 Flanges	KS B1503 Flanges	UNI Flanges
SABS/SANS 1123 Flanges	AS 2129, AS 4087 Flanges	ISO 9624, ISO 7005-1 Flanges	AWWA Flanges Standard
GOST Standard Flanges	API Flanges	AS/ANZ 4331.1 Flanges	Series A Flange
Series B Flange	SAE J518 Flanges	GB Flange	Norwegian Standard Flanges

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