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Blind Flange

Trusted stainless steel blind flange manufacturers in Dubai, refer BLRF flanges updated price list

Where Are BLRF Flanges Most Commonly Used?

BLRF Flange is manufactured of Duplex Steel and have all of the bolt holes required for installation. They are suitable for a variety of applications and come in a variety of sizes and materials.
They offer positive closure on the pipe ends and enable for easy line accessibility after sealing. They are often custom-made to accommodate nominal-diameter pipes. These flanges are intended for use in high-pressure situations.

How Do You Install The ASME B16.5 Blind Flange In A Pipe?

These flanges are weldable or drillable. ASME B16.5 Blind Flange is an excellent choice for dealing with flammable fluids or gases. They can be soldered and are less difficult to install.
For pipeline systems, BLRF FLANGES are the optimum option. These are the most popular flanges. So, whether you require a BLRF for a natural gas line, you can still rely on a reputable company.
Blind raised face flanges come in a variety of forms and diameters. This type of flange is made of high-quality raw resources and is used to seal off pipelines, cylinders, and pumps.

Check common uses of carbon steel blind flange, and buy ASTM A105 blind flange for petrochemicals equipment

What Are Carbon Steel Blind Flange And His Advantages?

Carbon Steel Blind Flange, often known as medium carbon steel, is a metal component. It is made up of both carbon and iron. Many elements are too small to have a significant impact on their attributes. Welding them is more difficult since they are less robust and ductile.

Stainless Steel Blind Flange Vs Blank Flange

Due to the varying working pressures, the design conceals the extremities of the tube apertures, valves, or tubing. It is a type of Stainless Steel Blind Flange that, from a technological standpoint, can survive the most rigorous operating circumstances.
The principal function of a blind flange is to seal off a part of a pipe that is not in operation. The Stainless Steel Blind Flange aids in the termination of a piping system.

Stockists & importers of alloy steel blind flange in class 150 to 2500 as per ASME B16.5 specification

Table of content

Specialized in manufacturing

Blind Flange

ASME B16.5 blind flange is a solid disk used to block off a pipeline or to create a stop.

Size

1/2 Inches To 24 Inches

Class

150 To 2500

ASTM

A105, A182, A694

ASME

B16.5

Common Uses Of Stainless Steel Blind Flange

Uses

commonly used in petrochemical, public services, pipe engineering and water works.

Facing Types

12 Inch Blind Flanges available in both Raised Face (RF) and Flat Face (FF) styles.

Dimensions

available in the same pressure classes and bolt hole patterns as other flanges types.

Specification Of BLRF Flange

Specifications	Blind Flange
Blind Flange Manufacturer In UAE	1300 ton per month (Manufacturing Productivity)
Testing	Hydrostatic testing machine Magnetic particle detector Direct-reading Spectrograph UI trasonic flaw detector
Brand Name	Schulzmann
Methods Of Forging	Casting Forging Rolling Cutting
Certificate	ISO
Size	1/2” to 24”
Equipment	Pushing Machine Press machine electric bevelling machine
Payment Type	L/C,T/T,D/P,Paypal
Supporting Material For Flanges	Gasket/ Ring Joint/ Flanges Bolts
Available Packing	Packing In Plywood Box And Plywood Pallet
Class	Class 150 to Class 2500
Supply Ability	1000 Ton Per Month
Use In	Marine & dredging Sanitation Process Instrumentation Oil and Gas Petrochemical/ Refinery/Chemical Power etc.
Transportation In	Air & Ocean and Land

Carbon Steel Blind Flange Price List

Description	Price In US ($)
BLIND FLANGES, ASTM A105, CLASS 150, RF, SIZE : 2"	US $29.62 Per KG
BLIND FLANGES, ASTM A105, CLASS 150, RF, SIZE : 3"	US $42.15 Per KG
BLIND FLANGES, ASTM A105, CLASS 300, RTJ, SIZE : 2 1/2"	US $54.69 Per KG
BLIND FLANGES, CLASS 150, RTJ, SIZE : 3" ASTM A105	US $67.03 Per KG
BLIND FLANGES ASTM A350 GR.LF2 CL-1, CLASS 150, RTJ, SIZE : 4"	US $107.71 Per KG
FLANGES, SIZE: 3/4, 600# BLIND RF, A105	US $86.79 Per KG
FLANGES, SIZE: 2 , 150# BLIND RD A105N	US $26.03 Per KG
FLANGES, SIZE: 3/4 300 BLIND, RF, A105N, ASME B16.5	US $30.02 Per KG
FLANGES, SIZE: 2, 150#, BLIND, RF, A105N	US $52.08 Per KG
FLANGES, SIZE: 2, 150#, BLIND, RF, A105N	US $26.03 Per KG
FLANGES, SIZE: 2, 150#, BLIND, RF, A105N	US $52.08 Per KG
FLANGES, SIZE: 3/4, 300#, BLIND, RF, A105N, ASME B16.5	US $45.02 Per KG

Types Of ANSI B16.5 Blind Pipe Flanges

Stainless Steel Blind Flanges

SS Blind Flanges

PN16 Blank Flanges

2 Inch Blind Flanges

12 Inch Blind Flanges

3 Inch Blind Flanges

ASME B16.5 Blind Flanges

Carbon Steel Blind Flanges

ASTM A105 Blind Flanges

Threaded Blind Flanges

Raised Face Blind Flanges

High Hub Blind Flanges

Flat Face Blind Flanges

Blind Flange With Threaded Holes

Blind Flange Drilled And Tapped

Grade Of Stainless BLRF Flanges

Stainless Steel 304 Flanges

Stainless Steel 304L Flanges

Stainless Steel 316 Flanges

Stainless Steel 316L Flanges

ASME B16.5 Blind Flange Dimensions

Class 150 Blind Flanges Dimensions

Size in (Inch)	Size in (mm)	OD	Thick.	Diameter Of R/F	Height Of R/F	PCD	Number of Bolts	Size Of UNC Bolts	Length Of Machine Bolt	Length Of R/F Stud	Size Of Hole	Size Of ISO Stud	Weight As Per Kilogram
		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

Class 300 Blind Flanges Dimensions

Size in (Inch)	Size in (mm)	OD	Thick.	Diameter Of R/F	Height Of R/F	PCD	Number of Bolts	Size Of UNC Bolts	Length Of Machine Bolt	Length Of R/F Stud	Size Of Hole	Size Of ISO Stud	Weight As Per Kilogram
		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

Class 600 Blind Flanges Dimensions

Size in (Inch)	Size in (Millimeter)	OD	Thick.	Diameetr Of R/F	Height Of R/F	PCD	Bolts Number	Size Of Bolt UNC	Length Of R/F Stud	Size Of Hole	Size Of ISO Stud	Weight in Kilogram
		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

Class 900 Blind Flanges Dimensions

Size in (Inch)	Size in (Millimeter)	OD	Thick.	Diameetr Of R/F	Height Of R/F	PCD	Bolts Number	Size Of Bolt UNC	Length Of R/F Stud	Size Of Hole	Size Of ISO Stud	Weight in Kilogram
		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

Class 1500 Blind Flanges Dimensions

Size in (Inch)	Size in (Millimeter)	OD	Thick.	Diameetr Of R/F	Height Of R/F	PCD	Bolts Number	Size Of Bolt UNC	Length Of R/F Stud	Size Of Hole	Size Of ISO Stud	Weight in Kilogram
		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

Class 2500 Blind Flanges Dimensions

Size in (Inch)	Size in (Millimeter)	OD	Thick.	Diameetr Of R/F	Height Of R/F	PCD	Bolts Number	Size Of Bolt UNC	Length Of R/F Stud	Size Of Hole	Size Of ISO Stud	Weight in Kilogram
		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

Grades Of Carbon Steel Blind Flanges

ASTM A105 Flange

ASTM A350 LF2 Flanges

ASTM A694 F42 Flanges

ASTM A694 F52 Flanges

ASTM A694 F65 Flanges

Tapped Blind Flange Dimensions

Normal Pipe Size	D	G	K	T
1/2	90	34.9	60.3	9.6
3/4	100	42.9	69.9	11.2
1	110	50.8	79.4	12.7
1-1/4	115	63.5	88.9	14.3
1-1/2	125	73.0	98.4	15.9
2	150	92.1	120.7	17.5
2-1/2	180	104.8	139.7	20.7
3	190	127.0	152.4	22.3
3-1/2	215	139.7	177.8	22.3
4	230	157.2	190.5	22.3
5	255	185.7	215.9	22.3
6	280	215.9	241.3	23.9
8	345	269.9	298.5	27.0
10	405	323.8	362.0	28.6
12	485	381.0	431.8	30.2
14	535	412.8	476.3	33.4
16	595	469.9	539.8	35.0
18	635	533.4	577.9	38.1
20	700	584.2	635.0	41.3
22	750	641.4	692.2	44.5
24	815	692.2	749.3	46.1

Tapped Blind Flange With Threaded Hole

Size Tapped Blind	Threaded Hole
3/8"	10.5
1/2"	13.5
3/4"	14.0
1"	17.5
1-1/4"	18.1
1-1/2"	18.3
2"	19.4

Specification Of SAE Blind Flange

Material Specification	Stainless steel SS316, 316Ti Carbon Steel (CS)
Working Pressure	3000# (210 bar) 6000# (420 bar)
Size	3/8” (DN 10) to 5” (DN 125)
Face Type	Flat Side Oring Side
Standards	SAE J518 / ISO 6162

SAE Blind Flange Dimensions

WP						Dimensions
(Bar)	Size	Type	c	D	E	F	H	L	Screws
345	1/2"	AFC080	38.10	56	17.48	46	16	9	M8 x 30
345	3/4"	AFC100	47.63	65	22.23	50	16	11	M10 x 35
345	1"	AFC102	52.37	70	26.19	60	19	11	M10 x 35
276	11/4"	AFC104	58.72	79	30.18	68	18	11.5	M10 x 40
207	11/2"	AFC106	69.85	93	35.71	78	20	13.5	M12 x 45
207	2"	AFC108	77.77	102	42.88	90	20	13.5	M12 x 45
172	21/2"	AFC110	88.90	114	50.80	105	20	13.5	M12 x 45
138	3"	AFC112	106.38	134	61.93	124	24	17.5	M16 x 50
34	31/2"	AFC114	120.65	152	69.85	136	22	17.5	M16 x 50
34	4"	AFC116	130.18	162	77.77	146	25	17.5	M16 x 50,
34	5"	AFC118	152.40	190	92.08	170	28	17.5	M16x 55

Check the dimensions, pressure rating, and weight chart of raised face blind flanges, and buy tapped blind flanges with a threaded hole at low prices in Dubai

Stainless Steel Blind Flange Weight

NPS	Weight In Blind Flanges
½	2
¾	2
1	2
1¼	3
1½	4
2	5
2½	7
3	9
3½	13
4	17
5	20
6	27
8	47
10	70
12	123
14	140
16	180
18	220
20	285
22	355
24	430

Slip Blind Flange Bolt Chart

NPS (Inch)	Bolt Size Of Blind Flanges
NPS (Inch)	Flanges Diameter (Inches)	Number of Bolts	Bolts Dia. (Inches)	Bolt Holes Dia. (Inches)	Bolts Circle (Inches)
1/4	3-3/8	4	1/2	0.62	2-1/4
1/2	3-1/2	4	1/2	0.62	2-3/8
3/4	3-7/8	4	1/2	0.62	2-3/4
1	4-1/4	4	1/2	0.62	3-1/8
1-1/4	4-5/8	4	1/2	0.62	3-1/2
1-1/2	5	4	1/2	0.62	3-7/8
2	6	4	5/8	0.75	4-3/4
2-1/2	7	4	5/8	0.75	5-1/2
3	7-1/2	4	5/8	0.75	6
3-1/2	8-1/2	8	5/8	0.75	7
4	9	8	5/8	0.75	7-1/2
5	10	8	3/4	0.88	8-1/2
6	11	8	3/4	0.88	9-1/2
8	13-1/2	8	3/4	0.88	11-3/4
10	16	12	7/8	1	14-1/4
12	19	12	7/8	1	17
14	21	12	1	1.12	18-3/4
16	23-1/2	16	1	1.12	21-1/4
18	25	16	1-1/8	1.25	22-3/4
20	27-1/2	20	1-1/8	1.25	25
24	32	20	1-1/4	1.38	29-1/2

Grades Of Alloy Steel Blind (BLRF) Flanges

ASTM A182 F5 Flanges

ASTM A182 F11 Flanges

ASTM A182 F22 Flanges

ASTM A182 F91 Flanges

2 Inch Blind Flange Pressure Rating

Temperature (Dedgree C)	Class Of Blind Flanges
Temperature (Dedgree C)	(150#)	(300#)	(400#)	(600#)	(900#)	(1500#)	(2500#)
-29 - 38	19.8	51.7	68.9	103.4	155	259	431
50	19.5	51.7	68.9	103.4	155	259	431
100	17.7	51.5	68.7	103.0	155	258	429
150	15.8	50.2	66.8	100.3	151	251	418
200	13.8	48.6	64.8	97.2	146	243	405
250	12.1	46.3	61.7	92.7	139	232	386
300	10.2	42.9	57.0	85.7	129	214	357
325	9.3	41.4	55.0	82.6	124	207	344
350	8.4	40.0	53.4	80.0	120	200	334
375	7.4	37.8	50.4	75.7	114	189	315
400	6.5	34.7	46.3	69.4	104	174	290
425	5.5	28.8	38.4	57.5	86.3	144	240
450	4.6	23.0	30.7	46.0	69.0	115	192
475	3.7	17.1	22.8	34.2	51.3	85.4	142
500	2.8	11.6	15.4	23.2	34.7	57.9	96.5
538	1.4	5.9	7.9	11.8	17.7	29.5	49.2

View characteristics of pn16 blank flange, purchase flat face blind flanges in UAE with material testing reports

Characteristics Of Stainless Steel Blank Flanges

Main characteristics:

External and internal coating : Blue epoxy powder 250 microns average thickness with a minimum of 200 microns, conforming to EN 14901
used to close the end of a pipe which has equally spaced bolt holes drilled along the bolt circle.
blank flanges is a flanges that is not drilled but is otherwise complete.

NPS	Weight In Blind Flanges
½	2
¾	2
1	2
1¼	3
1½	4
2	5
2½	7
3	9
3½	13
4	17
5	20
6	27
8	47
10	70
12	123
14	140
16	180
18	220
20	285
22	355
24	430

NPS	Weight In Blind Flanges
½	2
¾	2
1	2
1¼	3
1½	4
2	5
2½	7
3	9
3½	13
4	17
5	20
6	27
8	47
10	70
12	123
14	140
16	180
18	220
20	285
22	355
24	430

NPS	Weight In Blind Flanges
½	2
¾	2
1	2
1¼	3
1½	4
2	5
2½	7
3	9
3½	13
4	17
5	20
6	27
8	47
10	70
12	123
14	140
16	180
18	220
20	285
22	355
24	430