Stainless Steel Blind Flange

We GNEE steel are a highly acclaimed company, specialized in manufacturing and supplying premium quality Stainless Steel Blind Flanges which used to cover or close the end of a pipe in a piping system. Our blind flange is made up of supreme stainless steel material that is durable and long-lasting which makes it more suitable for high temperature and pressure applications.

Our highly qualified professionals produce a wide range of Stainless steel blind flange in accordance with ASTM.182, ANSI B16.5. We offer these Raised Face Steel Bind Flanges or Stainless Steel BLRF Flanges in all major grades like 304, 304L, 316, 316L and many more.

We offer this blind flange after testing its strength and hardness. These products are being most selling and widely used over the national and international industrial platforms. These flanges are typically available in shapes like raised face, flat face, or RTJ face.

At GNEE steel, we are dedicated to providing the best in class blind flanges that have a high level of endurance, are very flexible, resistant to heat and reliable in the industrial market. Get in touch with us to request a quote for bling flanges!

Stainless Steel Blind Flanges Availability:

Stainless Steel Flate Face Blind Flanges
Stainless Steel Raised Face Blind Flanges
Stainless Steel Ring Type Joint Blind Flanges

Stainless Steel Blind Flanges Specifications:

Standards	ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size	1/2" NB TO 48" NB
Designation	A 182 / A 240, SA 182 / SA 240
Class	150#, 300#, 400#, 600#, 900#, 1500# & 2500#.
Grade	ASTM A182 F304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H,317, 317L, 321, 321H, 347, 347H, 201, 202, 904L ETC.

Types of Stainless Steel Blind Flanges

Stainless Steel Class 75 Blind Flanges
Stainless Steel Class 150 Blind Flanges
Stainless Steel Class 175 Blind Flanges
Stainless Steel Class 250 Blind Flanges
Stainless Steel Class 300 Blind Flanges
Stainless Steel Class 350 Blind Flanges
Stainless Steel Plate Blind Flanges
Stainless Steel Ring Type Joint Blind Flanges
Stainless Steel Drawing Blind Flanges
Stainless Steel Square Blind Flanges
Stainless Steel Nipo Blind Flanges
Stainless Steel Reducing Blind Flanges
Stainless Steel Forged Blind Flanges
Stainless Steel Blind Flanges
Stainless Steel Class 125 Light-weight Blind Flanges
Stainless Steel Class 125/150 Blind Flanges

Other Standards of ANSI / ASME / DIN Stainless Steel Blind Flanges

ANSI B16.5 Stainless Steel Blind Flanges
ANSI B16.5 Stainless Steel Class 150 Blind Flanges
ANSI B16.5 Stainless Steel Class 300 Blind Flanges
ANSI B16.5 Stainless Steel Class 400 Blind Flanges
ANSI B16.5 Stainless Steel Class 600 Blind Flanges
ANSI B16.5 Stainless Steel Class 900 Blind Flanges
ANSI B16.5 Stainless Steel Class 1500 Blind Flanges
ANSI B16.5 Stainless Steel Class 2500 Blind Flanges
ASME B16.47 Stainless Steel Series A Blind Flanges
ASME B16.47 Stainless Steel Series B Blind Flanges
ANSI B16.36 Stainless Steel Orifice Blind Flanges
DIN Stainless Steel Blind Flanges PN6-PN40

Stainless Steel Blind Flange Dimensions

Stainless Steel Class 150 Blind Flange Dimensions

Size in Inch	Size in mm	Outer Dia.	Flange Thickness	RF Dia.	RF Height	PCD	No of Bolts	Bolt Size UNC	Machine Bolt Length	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
		A	B	C	D	E
1/2	15	90	9.6	34.9	2	60.3	4	1/2	50	55	5/8	M14	0.9
3/4	20	100	11.2	42.9	2	69.9	4	1/2	50	65	5/8	M14	0.9
1	25	110	12.7	50.8	2	79.4	4	1/2	55	65	5/8	M14	0.9
1 1/4	32	115	14.3	63.5	2	88.9	4	1/2	55	70	5/8	M14	1.4
1 1/2	40	125	15.9	73	2	98.4	4	1/2	65	70	5/8	M14	1.8
2	50	150	17.5	92.1	2	120.7	4	5/8	70	85	3/4	M16	2.3
2 1/2	65	180	20.7	104.8	2	139.7	4	5/8	75	90	3/4	M16	3.2
3	80	190	22.3	127	2	152.4	4	5/8	75	90	3/4	M16	4.1
3 1/2	90	215	22.3	139.7	2	177.8	8	5/8	75	90	3/4	M16	5.9
4	100	230	22.3	157.2	2	190.5	8	5/8	75	90	3/4	M16	7.7
5	125	255	22.3	185.7	2	215.9	8	3/4	85	95	7/8	M20	9.1
6	150	280	23.9	215.9	2	241.3	8	3/4	85	100	7/8	M20	11.8
8	200	345	27	269.9	2	298.5	8	3/4	90	110	7/8	M20	20.5
10	250	405	28.6	323.8	2	362	12	7/8	100	115	1	M24	32
12	300	485	30.2	381	2	431.8	12	7/8	100	120	1	M24	50
14	350	535	33.4	412.8	2	476.3	12	1	115	135	1 1/8	M27	64
16	400	595	35	469.9	2	539.8	16	1	115	135	1 1/8	M27	82
18	450	635	38.1	533.4	2	577.9	16	1 1/8	125	145	1 1/4	M30	100
20	500	700	41.3	584.2	2	635	20	1 1/8	140	160	1 1/4	M30	130
24	600	815	46.1	692.2	2	749.3	20	1 1/4	150	170	1 3/8	M33	196

Stainless Steel Class 300 Blind Flange Dimensions

Size in Inch	Size in mm	Outer Dia.	Flange Thickness	RF Dia.	RF Height	PCD	No of Bolts	Bolt Size UNC	Machine Bolt Length	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
		A	B	C	D	E
1/2	15	95	12.7	34.9	2	66.7	4	1/2	55	65	5/8	M14	1.4
3/4	20	115	14.3	42.9	2	82.6	4	5/8	65	75	3/4	M16	1.4
1	25	125	15.9	50.8	2	88.9	4	5/8	65	75	3/4	M16	1.4
1 1/4	32	135	17.5	63.5	2	98.4	4	5/8	70	85	3/4	M16	1.8
1 1/2	40	155	19.1	73	2	114.3	4	3/4	75	90	7/8	M20	2.7
2	50	165	20.7	92.1	2	127	8	5/8	75	90	3/4	M16	3.7
2 1/2	65	190	23.9	104.8	2	149.2	8	3/4	85	100	7/8	M20	5.5
3	80	210	27	127	2	168.3	8	3/4	90	110	7/8	M20	7.3
3 1/2	90	230	28.6	139.7	2	184.2	8	3/4	95	110	7/8	M20	9.6
4	100	255	30.2	157.2	2	200	8	3/4	95	115	7/8	M20	12.3
5	125	280	33.4	185.7	2	235	8	3/4	110	120	7/8	M20	15.9
6	150	320	35	215.9	2	269.9	12	3/4	110	120	7/8	M20	22.7
8	200	380	39.7	269.9	2	330.2	12	7/8	120	140	1	M24	36
10	250	445	46.1	323.8	2	387.4	16	1	140	160	1 1/8	M27	57
12	300	520	49.3	381	2	450.8	16	1 1/8	145	170	1 1/4	M30	84
14	350	585	52.4	412.8	2	514.4	20	1 1/8	160	180	1 1/4	M30	113
16	400	650	55.6	469.9	2	571.5	20	1 1/4	165	190	1 3/8	M33	134
18	450	710	58.8	533.4	2	628.6	24	1 1/4	170	195	1 3/8	M33	181
20	500	775	62	584.2	2	685.8	24	1 1/4	185	205	1 3/8	M33	230
24	600	915	68.3	692.2	2	812.8	24	1 1/2	205	230	1 5/8	M39	359

Stainless Steel Class 400 Blind Flange Dimensions

Size in Inch	Size in mm	Outer Dia.	Flange Thickness	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

Stainless Steel Class 600 Blind Flange Dimensions

Size in Inch	Size in mm	Outer Dia.	Flange Thickness	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	1.4
3/4	20	115	15.9	42.9	7	82.6	4	5/8	90	3/4	M16	1.4
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	275	38.1	157.2	7	215.9	8	7/8	145	1	M24	18.7
5	125	330	44.5	185.7	7	266.7	8	1	165	1 1/8	M27	31
6	150	355	47.7	215.9	7	292.1	12	1	170	1 1/8	M27	39
8	200	420	55.6	269.9	7	349.2	12	1 1/8	190	1 1/4	M30	64
10	250	510	63.5	323.8	7	431.8	16	1 1/4	215	1 3/8	M33	105
12	300	560	66.7	381	7	489	20	1 1/4	220	1 3/8	M33	134
14	350	605	69.9	412.8	7	527	20	1 3/8	235	1 1/2	M36	161
16	400	685	76.2	469.9	7	603.2	20	1 1/2	255	1 5/8	M39	225
18	450	745	82.6	533.4	7	654	20	1 5/8	275	1 3/4	M42	286
20	500	815	88.9	584.2	7	723.9	24	1 5/8	285	1 3/4	M42	368
24	600	940	101.6	692.2	7	838.2	24	1 7/8	330	2	M48	568

Stainless Steel Class 900 Blind Flange Dimensions

Size in Inch	Size in mm	Outer Dia.	Flange Thickness	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

Stainless Steel Class 1500 Blind Flange Dimensions

Size in Inch	Size in mm	Outer Dia.	Flange Thickness	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

Stainless Steel Class 2500 Blind Flange Dimensions

Size in Inch	Size in mm	Outer Dia.	Flange Thickness	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

Stainless Steel Blind Flanges ANSI B 16.5, ASME B 16.47 Stainless Steel Blind Flange, ASTM A182 SS Blind Flanges, SS Raised Face Blind Flanges, MSS SP44 Stainless Steel BLRF Flanges Stockist & Exporter Manufacturer & Supplier of Stainless Steel 304 Blind

304 Stainless Steel Blind Flanges
304L Stainless Steel Blind Flanges
304H Stainless Steel Blind Flanges
310 Stainless Steel Blind Flanges
310S Stainless Steel Blind Flanges
310H Stainless Steel Blind Flanges
316 Stainless Steel Blind Flanges
316L Stainless Steel Blind Flanges
316Ti Stainless Steel Blind Flanges
317 Stainless Steel Blind Flanges
317L Stainless Steel Blind Flanges
347 Stainless Steel Blind Flanges
347H Stainless Steel Blind Flanges
410 Stainless Steel Blind Flanges
430 Stainless Steel Blind Flanges
446 Stainless Steel Blind Flanges
904L Stainless Steel Blind Flanges

ASTM A182 Stainless Steel Blind Flanges Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
SS 304	1.4301	S30400	SUS 304	304S31	08Х18Н10	Z7CN18‐09	X5CrNi18-10
SS 316	1.4401	S31600	SUS 316	316S31	-	Z7CND17‐11‐02	X5CrNiMo17-12-2

Stainless Steel S30400 / S31600 Blind Flanges Mechanical & Physical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1400 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Stainless Steel Blind Flanges Applications

Off-Shore Oil Drilling Companies	Power Generation	Petrochemicals	Gas Processing
Specialty Chemicals	Pharmaceuticals	Pharmaceutical Equipment	Chemical Equipment
Sea Water Equipment	Heat Exchangers	Condensers	Pulp & Paper Industry