Stainless Steel Blind Flange | ASTM A182 F304 BLRF Flange Manufacturer

Table Of Content:

Class 900 RTJ Blind Flange Dimensions
Class 1500 RTJ Blind Flange Dimensions
Class 2500 Blind Flange Dimensions
PN16 Blind Flange Dimensions
Code 61 SAE Blind Flange Torque
Code 62 SAE Blind Flange Torque
Stainless Steel Blind Flange Weight
Stainless Steel Blind Flanges For Sale
Class 600 Blind Flange Bolt Size
Class 150 Blind Flange Pressure Rating
Class 300 Blind Flange Pressure Rating
Raised Face Blind Flange Hs Code
Blind Flange Manufacturing Process
BLRF Flange Full Form
Dummy Flanges Gasket Types
Blind Flange Isometric Symbol
Blank Flange Marking

Manufacturer Of ASTM A182 F304 BLRF Flange in India, View Specification

Blind Flange Specification

Common Size :

½"– 24 Inch
DN15 To DN1500
PN 2.5 - PN 400

Size :

For large diameter flanges
NPS 26 to NPS 60 (ASME B16.47)

Manufacturing Technique :

Cast
Forged
Plate

Schedule :

SCH 10/ 20/ 40
SCH 60/ 80/ 100
SCH 120/ 140
SCH 160/ 180

Pressure :

150#
300, 400#
600, 900#
1500, 2500#

Standard :

ASME B16.5
ANSI B16.5

Manufacturing Way :

Forged / drilling
Rolled/ Turning
CNC machining
Milling / stamping

Type :

Raised Face Blind Flanges
Flat Face Blind Flanges
RTJ Blind Flanges
Slip On Blind Flanges

Bolts Holer :

4 To 24

Process :

Material selection & cutting
Shaping
Heat treatment & forming
Forging & machining
Surface finish

Threads :

BSPP (Male & female)
MNPT (Male)
MPT/ BSPT (Female)
NPT/ BSP/ FPT

Resistance :

Nitric Acid
Sulfuric Acidr
Hydrochloric Acid
Alkalies and Salts
Phosphoric Acid
Organic Acid
Seawater

Coating :

Oil Black Paint
Anti-rust Paint
Zinc Plated
Yellow Transparent

Surface Treatment Type :

Mirror finish
Cold water finish
Concentric serrated
Stock finish
Serrated & smooth finish
Spiral serrated

Uses :

Power generation plant
Petrochemical plants
Petrochemicals industry
Oil & gas plants
Nuclear energy sector
Sea water exchanger

Types Of Packaging :

Carton box
Plastic bag
Wooden case
Or custom as required

Logistics Way :

By Air
By Sea
Saudi Arabia = 7 to 8 day
UAE = 6 to 7 day
Oman = 5 to 6 days

Services :

Drilling/ Electroplating
Threading/ Forging
Cutting/ Minor Fabrication
CNC machined/ Casting
Sand Blasting/ Rolling

Types Of Connection :

Threaded
Welding

Available Material:

Carbon steel
Nickel alloy
Titanium
Copper nickel
Alloy steel
Stainless steel

Testing :

Impact test
Material inspection
Hardness test
Tensile test
Visual inspection
PMI test

For More Information Please Contact US

Stockist and supplier of Carbon Steel Dummy Flanges in PN10/PN16/PN25 in Mumbai, View ASTM A105 Blank Flange Price List

Stainless Steel Blind Flange Price List

Type = Flange
Grade = ASTM A182 F304L

In Inch	SCH	Class	Price In US$ (Dollar) per unit	Price In Dirham (AED) per unit
3/4	40	150	US$1.61	5.91
1	40	150	US$1.88	6.91
2	40	150	US$2.92	10.73
3	40	150	US$5.58	20.50
4	80	300	US$8.92	32.76
6	80	300	US$11.66	42.83
8	80	300	US$16.20	59.50
10	80	300	US$22.16	81.39
12	80	300	US$26.54	97.48

Carbon Steel Blind Flange Price List

Type = Blind Flange
Grade = ASTM A105
SCH = 40
Class = 150

Size In Inch	Price In US$ (Dollar) per unit	Price In Dirham (AED) per unit
3/4	US$1.47	5.40
1	US$1.74	6.39
2	US$2.98	10.95
3	US$5.15	18.92
4	US$6.50	23.87
6	US$8.80	32.32
8	US$14.25	52.34
10	US$16.52	60.68
12	US$17.82	65.45

DIN Standard Of Blind Flange

DIN 2527
DIN 2527 PN6
DIN 2527 PN10
DIN 2527 PN16
DIN 2527 PN25
DIN 2527 PN40
DIN 2527 PN64
DIN 2527 PN100

BS Standard of Blind Pipe Flange

EN 1092-1
EN 1092-2
BS4504
BS3293
BS1560

JIS Standard Of BLRF Flange

JIS B2220
JIS B2311
JIS B2312
JIS B2313
KS B1522
KS B1541
KS B1543
KS1503

UNI standard Of End flange

UNI 6095 67
UNI 6096 67
UNI 6097 67
UNI 6091 67
UNI 6092 67
UNI 6093 67
UNI 6094 67

PN10 Blind Flange Weight

DN	EN 1092-1 Type 05 PN10
10	0.722
15	0.813
20	1.14
25	1.38
32	2.03
40	2.35
50	2.88
65	3.51
80	4.61
100	5.65
125	8.13
150	10.5
200	16.2

PN16 Blind Flange Weight

DN	EN 1092-1 Type 05 PN16
10	0,722
15	0,813
20	1,14
25	1,38
32	2,03
40	2,35
50	2,88
65	3,51
80	4,61
100	5,65
125	8,13
150	10,5
200	-

PN25 Blind Flange Weight

DN	EN 1092-1 Type 05 PN25
10	0,722
15	0,813
20	1,14
25	1,38
32	2,03
40	2,35
50	3,20
65	4,29
80	5,54
100	7,60
125	–
150	–
200	–

Types Of Carbon Steel Blind Flange

Carbon Steel Blind Flange

ASTM A105 Blind Flange

ASTM A350 LF2 Blind Flange

CS Blind Flange

Blank Flange

Threaded Blind Flange

Rf Blind Flange

Raised Face Blind Flanges

High Hub Blind Flange

Flat Face Blind Flange

Blind Flange With Threaded Holes

SAE Blind Flange

Blind Flange Drilled And Tapped

Weld Neck Blind Flange

14 Inch Blind Flange

Types Of Stainless Steel Blind Flange

Stainless Blind Flange

SS Blind Flange

SS 304 Blind Flange

316 SS Blind Flange

Pn16 Blank Flange

2 Inch Blind Flange

12 Inch Blind Flange

Pipe Blind Flanges

3 Inch Blind Flanges

Pancake Blind Flange

8 Inch Blind Flange

Slip Blind Flange

Brass Blind Flange

6 Inch Blind Flange

ASME B16.5 Blind Flange

Other Materials Of Slip On Flange

Duplex Blind Flange

Super Duplex Blind Flanges

Titanium Blind Flanges

Mild Steel Blind Flange

Nickel Alloy Blind Flanges

Copper Blind Flanges

Inconel Blind Flanges

Ductile Iron Blind Flanges

Gi Blind Flanges

Aluminum Blind Flanges

Alloy Steel Blind Flanges

Refer Dimensions and Weight Chart of SS 316 Blind Flanges Class 150, 300, 600 accordance with ASME B16.5, EN 1092-2/ MSS SP-44

ASME B16.5 Blind Flange Dimensions

NPS	(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

Threaded Hole Of Tapped Blind Flange

Tapped Blind Of Size	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

Double Sided Blind Flange Applications

Specialty Chemicals
Power Generation
Condensers
Chemical Equipment
Gas Processing
Pulp and Paper Industry

Sea Water Equipment
Pharmaceutical Equipment
Off-Shore Oil Drilling Companies
Petrochemicals
Heat Exchangers
Pharmaceuticals

Blind Flange Face Type

Flat Face
Raised Face
Lap Joint
Ring Joint
Male And Female
Tongue And Groove

Blind Flange Packaging

Stainless Steel Blind Flange Dimensions

Class 150 Blind Flange Dimensions

(Normal Size Of Steel Pipe) In Inch	Outer Daimeter Of (A)	WT Of (B)	RF Daimeter Of (C)	(D) (B.C.D.)	# BLRF Flanges Bolts Holes	Daimeter Of BLRF Bolt Holes	Weight In Kilogram (KG)
1/2	3-1/2	7/16	1-3/8	2-3/8	4	5/8	2
3/4	3-7/8	1/2	1-11/16	2-3/4	4	5/8	2
1	4-1/4	9/16	2	3-1/8	4	5/8	2
1-1/4	4-5/8	5/8	2-1/2	3-1/2	4	5/8	3
1-1/2	5	11/16	2-7/8	3-7/8	4	5/8	3
2	6	3/4	3-5/8	4-3/4	4	3/4	4
2-1/2	7	7/8	4-1/8	5-1/2	4	3/4	7
3	7-1/2	15/16	5	6	4	3/4	9
3-1/2	8-1/2	15/16	5-1/2	7	8	3/4	13
4	9	15/16	6-3/16	7-1/2	8	3/4	17
5	10	15/16	7-5/16	8-1/2	8	7/8	20
6	11	1	8-1/2	9-1/2	8	7/8	27
8	13-1/2	1-1/8	10-5/8	11-3/4	8	7/8	47
10	16	1-3/16	12-3/4	14-1/4	12	1	67
12	19	1-1/4	15	17	12	1	123
14	21	1-3/8	16-1/4	18-3/4	12	1-1/8	139
16	23-1/2	1-7/16	18-1/2	21-1/4	16	1-1/8	187
18	25	1-9/16	21	22-3/4	16	1-1/4	217
20	27-1/2	1-11/16	23	25	20	1-1/4	283
24	32	1-7/8	27-1/4	29-1/2	20	1-3/8	415

Class 300 Blind Flange Dimensions

(Normal Size Of Steel Pipe) In Inch	Outer Daimeter Of (A)	WT (B)	RF Daimeter Of (C)	(D) (B.C.D.)	# BLRF Flange Bolts Holes	Daimeter Of BLRF Bolt Holes	Weight in Kg (Kilogram)
1/2	3-3/4	9/16	1-3/8	2-5/8	4	5/8	2
3/4	4-5/8	5/8	1-11/16	3-1/4	4	3/4	3
1	4-7/8	11/16	2	3-1/2	4	3/4	4
1-1/4	5-1/4	3/4	2-1/2	3-7/8	4	3/4	6
1-1/2	6-1/8	13/16	2-7/8	4-1/2	4	7/8	7
2	6-1/2	7/8	3-5/8	5	8	3/4	8
2-1/2	7-1/2	1	4-1/8	5-7/8	8	7/8	12
3	8-1/4	1-1/8	5	6-5/8	8	7/8	16
3-1/2	9	1-3/16	5-1/2	7-1/4	8	7/8	21
4	10	1-1/4	6-3/16	7-7/8	8	7/8	28
5	11	1-3/8	7-5/16	9-1/4	8	7/8	37
6	12-1/2	1-7/16	8-1/2	10-5/8	12	7/8	48
8	15	1-5/8	10-5/8	13	12	1	79
10	17-1/2	1-7/8	12-3/4	15-1/4	16	1-1/8	122
12	20-1/2	2	15	17-3/4	16	1-1/4	183
14	23	2-1/8	16-1/4	20-1/4	20	1-1/4	241
16	25-1/2	2-1/4	18-1/2	22-1/2	20	1-3/8	315
18	28	2-3/8	21	24-3/4	24	1-3/8	414
20	30-1/2	2-1/2	23	27	24	1-3/8	515
24	36	2-3/4	27-1/4	32	24	1-5/8	800

Class 400 Blind Flange Dimensions

(NPS) In Inch	Outer Daimeter	BLRF (Bolts Circle)	(Raised Face)	Raised Face (RF)	WT Of Raised Face	FF Of (T2)	BLRF Bolts Holes	Number Of BLRF Bolts Holes
1/2	3.75	2.62	0.12	.250	0.81	0.56	0.62	4
3/4	4.62	3.25	0.12	.250	0.87	0.62	0.75	4
1	4.88	3.50	0.12	.250	0.94	0.69	0.75	4
1-1/4	5.25	3.88	0.19	.250	1.06	0.81	0.75	4
1-1/2	6.12	4.50	0.25	.250	1.13	0.88	0.88	4
2	6.50	5.00	0.31	.250	1.25	1.00	0.75	8
2-1/2	7.50	5.88	0.31	.250	1.37	1.12	0.88	8
3	8.25	6.62	0.38	.250	1.50	1.25	0.88	8
3-1/2	9.00	7.25	0.38	.250	1.63	1.38	1.00	8
4	10.00	7.88	0.44	.250	1.63	1.38	1.00	8
5	11.00	9.25	0.44	.250	1.75	1.50	1.00	8
6	12.50	10.62	0.50	.250	1.87	1.62	1.00	12
8	15.00	13.00	0.50	.250	2.13	1.88	1.12	12
10	17.50	15.25	0.50	.250	2.37	2.12	1.25	16
12	20.50	17.75	0.50	.250	2.50	2.25	1.38	16
14	23.00	20.25	0.50	.250	2.63	2.38	1.38	20
16	25.50	22.50	0.50	.250	2.75	2.50	1.50	20
18	28.00	24.75	0.50	.250	2.87	2.62	1.50	24
20	30.50	27.00	0.50	.250	3.00	2.75	1.62	24
22	33.00	29.25	0.50	.250	3.13	2.88	1.75	24
24	36.00	32.00	0.50	.250	3.25	3.00	1.88	24

Class 900 RTJ Blind Flange Dimensions

(NPS) In Inch	(Outer Daimeter)	BLRF (Bolts Circle)	Raised	(Raised Face)	Thickness Of (RF)	Flat Face Of (T2)	BLRF Bolt Holes	No. Of BLRF Bolts Holes
3	9.50	7.50	5.00	.250	1.75	1.50	1.00	8
4	11.50	9.25	6.19	.250	2.00	1.75	1.25	8
5	13.75	11.00	7.31	.250	3.25	3.00	1.38	8
6	15.00	12.50	8.50	.250	2.44	2.19	1.25	12
8	18.50	15.50	10.63	.250	2.75	2.50	1.50	12
10	21.50	18.50	12.75	.250	3.00	2.75	1.50	16
12	24.00	21.00	15.00	.250	3.38	3.13	1.50	20
14	25.25	22.00	16.25	.250	3.63	3.38	1.63	20
16	27.75	24.25	18.50	.250	3.75	3.50	1.75	20
18	31.00	27.00	21.00	.250	4.25	4.00	2.00	20
20	33.75	29.50	23.00	.250	4.50	4.25	2.13	20
24	41.00	35.50	27.25	.250	5.75	5.50	2.63	20

Class 1500 RTJ Blind Flange Dimensions

NPS		Outer Daimeter	(WT)	Hub Daimeter	BLRF Bolts Circle Daimeter	Bolts Holes Daimeter	Number Of BLRF Bolts	Bolts Daimeter In (Inches)	Weight in kilogram (KG)
inches	(dn)	(O)	(C)	(X)	(BC)	(BH)	(BN)	(BD)	(KG/PCS)	(LB/PCS)
1/2	15	120.7	22.4	38.1	82.6	22.4	4	3/4	1.9	4.2
3/4	20	130	25.4	44.5	88.9	22.4	4	3/4	2.7	6
1	25	149.4	28.4	52.3	101.6	25.4	4	7/8	3.7	8.1
1-1/4	32	158.8	28.4	63.5	111.3	25.4	4	7/8	4.3	9.5
1-1/2	40	177.8	31.8	69.9	124	28.4	4	1	5.9	13
2	50	215.9	38.1	104.6	165.1	25.4	8	7/8	11.3	24.9
2-1/2	65	244.3	41.1	124	190.5	28.4	8	1	16	35.2
3	80	266.7	47.8	133.4	190.5	25.4	8	7/8	19.5	43
4	100	311.2	53.8	162.1	235	31.8	8	1 1/8	33	72.8
5	125	374.7	73.2	196.9	279.4	35.1	8	1 1/4	60	132
6	150	393.7	82.6	228.6	317.5	31.8	12	1 1/8	75	165
8	200	482.6	91.9	292.1	393.7	38.1	12	1 3/8	125	275
10	250	584.2	108	368.3	469.9	38.1	16	1 3/8	215	474
12	300	673.1	124	450.9	533.4	38.1	20	1 3/8	316	697
14	350	749.3	133.4	495.3	558.8	41.1	20	1 1/2
16	400	825.5	146.1	552.5	616	44.5	20	1 5/8
18	450	914.4	162.1	596.9	685.8	50.8	20	1 7/8
20	500	984.3	177.8	641.4	749.3	53.8	20	2
24	600	1168.4	203.2	762	901.7	66.5	20	2 1/2

Class 2500 Blind Flange Dimensions

NPS		Outer Daimeter	Minimum (WT)	BLRF Bolts Circle Daimeter	Bolts Holes Daimeter	Number Of BLRF Bolts	Daimeter of Bolts In (inch)	Weight In Kilogram	Weight In LB
Inches	(dn)	(O)	(C)	(BC)	(BH)	(BN)	(BD)
1/2	15	133.4	30.2	88.9	22.4	4	3/4	3	7
3/4	20	139.7	31.8	95.3	22.4	4	3/4	4.5	10
1	25	158.8	35.1	108	25.4	4	7/8	5	12
1-1/4	32	184.2	38.1	130	28.4	4	1	8	18
1-1/2	40	203.2	44.5	146.1	31.8	4	1 1/8	11	25
2	50	235	50.8	171.5	28.4	8	1	17	38
2-1/2	65	266.7	57.2	196.9	31.8	8	1 1/8	25	55
3	80	304.8	66.5	228.6	35.1	8	1 1/4	39	86
4	100	355.6	76.2	273.1	41.1	8	1 1/2	60	133
5	125	419.1	91.9	323.9	47.8	8	1 3/4	101	223
6	150	482.6	108	368.3	53.8	8	2	156	345
8	200	552.5	127	438.2	53.8	12	2	242	533
10	250	673.1	165.1	539.8	66.5	12	2 1/2	465	1023
12	300	762	184.2	619.3	73.2	12	2 3/4	665	1463

PN16 Blind Flange Dimensions

Diameter Of PN16 Blank Flange	Flange			Screws/ Threaded			Weight In Kilogram
	(D)	(b)	(k)	(Number)	(Thread)	(d2)	(Shape B)
	15	95	14	65	4	M 12	14
20	105	16	75	1,01
25	115	16	85	1,23
32	140	16	100	M 16		18	1,8
40	150	16	110				2,09
50	165	18	125				2,88
65	185	18	145				3,66
80	200	20	160		8		4,77
100	220	20	180				5,65
125	250	22	210				8,42
150	285	22	240	M 20		22	10,4
200	340	24	295	M 20	12	22	16,1
250	405	26	355	M 24		26	24,9
300	460	28	410				35,1
350	520	30	470		16		47,8
400	580	32	525	M 27	16	30	63,5
500	715	36	650	20	M 30	33	102

Check Bolt Size Of Tapped Blind Flange, Pressure Rating Of AWWA C207 Large Diameter Blind Flange in India

Code 61 SAE Blind Flange Torque

Flange Size	Screw Thread	Screw Torque (NM)
1/2”	M8	32
3/4”	M10	70
1”	M10	70
1 1/4”	M10	70
1 1/2”	M12	130
2”	M12	130
2 1/2”	M12	130
3”	M16	295
3 1/2”	M16	295
4"	M16	295
5"	M16	295

Code 62 SAE Blind Flange Torque

lange Size	Screw Thread	Screw Torque (NM)
1/2”	M8	32
3/4”	M10	60
1”	M12	60
1 1/4”	M12	92
1 1/2”	M16	150
2”	M20	150
2 1/2”	M24	150
3”	M30	295

ASME B16.5 Blind Flange Manufacturing Machinery

Tee Beveling Machine
CNC Lath
Oil Fired Heat Treatment Furnace
Hydraulic Press 300 Tons Capacity
Radial Driling Machine
Elbow Beveling Machine

Conventional Machine
Tee Cold Forming Machines
Elbow Cold Forming Machines
Heat Treatment For Forged Fittings
Hydraulic Press 150 Tons Capacity
Portable Temperature Indicator

Stainless Steel Blind Flange Weight

Normal Size Of Steel Pipe In Inches	Size In Millimeter	BLRF Flanges Outer Daimeter (O.D.) In (MM)	BLRF Flanges Wall Thickness Of (D) In M)	(ANSI B16.5 Blind Flanges)
1/2	15	88.9	11.2	0.4
3/4	20	98.6	12.7	0.6
1	25	108	14.2	0.9
1 1/4	32	117.3	15.7	1.2
1 1/2	40	127	17.5	1.5
2	50	152.4	19.1	2.4
2 1/2	65	177.8	22.4	3.9
3	80	190.5	23.9	4.9
3 1/2	90	215.9	23.9	6.2
4	100	228.6	23.9	7.0
5	125	254	23.9	8.6
6	150	279.4	25.4	11.3
8	200	342.9	28.4	19.6
10	250	406.4	30.2	28.6
12	300	482.6	31.8	43.2
14	350	533.4	35.1	58.1
16	400	596.9	36.6	76.1
18	450	635	39.6	93.7
20	500	698.5	42.9	122.0

Stainless Steel Blind Flanges For Sale

ASME B16.5 Blind Flange Test Certificates

100% Radiography Test Report
Raw Materials Certificate
Third Party Inspection Repor
EN 10204/3.1B,

Class 600 Blind Flange Bolt Size

Size in Inch	No of Bolts	RF Stud Length
1/2	4	75
3/4	4	90
1	4	90
1 1/4	4	95
1 1/2	4	110
2	8	110
2 1/2	8	120
3	8	125
3 1/2	8	140
4	8	145
5	8	165
6	12	170
8	12	190
10	16	215
12	20	220
14	20	235
16	20	255
18	20	275
20	24	285
24	24	330

Class 150 Blind Flange Pressure Rating

Service Temp (°F)	SS 316
100	275
200	240
300	215
400	195
500	170
600	140
650	125
700	110
750	95
800	80
850	65
900	50
950	35
1000	20

Class 300 Blind Flange Pressure Rating

Service Temp (°F)	SS 316
100	275
200	240
300	215
400	195
500	170
600	140
650	125
700	110
750	95
800	80
850	65
900	50
950	35
1000	20

Raised Face Blind Flange Hs Code

Hs Code	Description
73072100	Stainless Steel Blind Flange

Manufacturer of High Hub Blind Flange in Alloy Steel, Mild Steel, Titanium, Copper, Hastelloy, Monel and Inconel, Check Manufacturing Process of Reducing Blind Flanges as per EN 1092-1 Type 02 PN16

ASME B16.5 Blind Flange Value Added Services

Chemical Analysis – Spectro Analysis
Intergranular Corrosion (IGC) Test
Hardness Test
Chemical Equipment
Pitting Resistance Test

Positive Material Identification – PMI Testing
Micro and MacroTest
Flattening Test
Mechanical Testing Such as Tensile of Area

Blind Flange Manufacturing Process

Raw Material

Raw Materia
Materia Dimension And Visual
Materia Quantity

Inspection

Chemical And Mechanical Analysis
Analysis Of Preservation Certificate

Cutting

Cut Surface
Marking
Weight Measuring

Forging Flange

Grade Of Material
Control Flange Temperature

Heat Treatment

Flange Solution Treatment
Flanges Mechanical Test
Normalizing

Forging Rolling Of Flange

Check Dimension
Check Marking
Check Weight

Final Inspection Of Pipe Flange

Test Of Visual
Test Of Nondestructive

Rust Prevention

View Preserve
Marking
Heat Number

Packaging

Specification Of Packing
Inspection Of Packing
Delivery Time And Day

BLRF Flange Full Form

Blind Raised Face Flanges

Dummy Flanges Gasket Types

Composite	Non-Metallic	Metallic – Ring Gasket
Spiral Wound Gaskets	Compressed Non-Asbestos Fibre Gasket (CNAF)	Oval Ring Gasket
Camprofile Gaskets	PTFE Gasket	Octagonal Ring Gasket
Metal Jacketed Gasket	Rubber Gasket

Blind Flange Isometric Symbol

Type	Symbol	Image
Blind Flange

Blank Flange Marking

size
item
specification and number
pressure rating, with unit
OD
WT, with unit
bore when applicable
std schedule when applicable,
material specification

4"
FLANGE
BLRF
ASME B16.5 #150
6" OD x 0.250"
152.4 Unit
Bore 15.500"
SCH 40
ASTM A182 F316

ASME B16.5 Blind Flange Documentation

Raw Material Test Reports
Fumigation Certificates
Fumigation Certificates
Guarantee Letter

QAP (Quality Assurance Plan)
NABL approved Laboratory Test Reports
Heat Treatment Charts
Commercial Invoice which includes HS Code