Stainless Steel Blind Flange manufacturer

ASTM A182 F304 BLRF Flange and Carbon Steel Blank Flange manufacturer in India

Table Of Content:

Blind Flange specification
Types of Carbon Steel Blind Flange
Types of Stainless Steel Blind Flange
ASME B16.5 Tapped Blind Flange Dimensions
Tapped Blind Flange With Threaded Hole
Stainless Steel Blind Flange Price List
Carbon Steel Blind Flange Price List
Applications of Blind Flange
Blind Flange Facing Types
Benefits of Blind Flange
Stainless Steel Blind Flange Dimensions
Class 150 Blind Flange Dimensions
Class 300 Blind Flange Dimensions
Class 400 Blind Flange Dimensions
Class 900 Blind Flange Dimensions
Class 900 RTJ Blind Flange Dimensions
Class 1500 Blind Flange Dimensions
Class 1500 RTJ Blind Flange Dimensions
Class 2500 Blind Flange Dimensions

PN16 Blank Flange Dimensions
SAE Blind Flange Dimensions
Stainless Steel Blind Flange Weight
Stainless Steel Blind Flanges For Sale
Blind Flange Tolerances
Blind Flange Sizes
Blind Flange Bolt Chart
Blind Flange Pressure Rating
Blind Flange Hs Code
Surface Finish Of Carbon Steel Blind Flange
ASME B16.5 Blind Flange Installation
Blind Flange Manufacturing Process
BLRF Flange Full Form
Blank Flange Vs Blind Flange
Blind Flange Gasket Dimensions
Blind Flange Symbol
Blind Flange Marking
Blind Flange Tapping Connection
Blind Flange End Connection

Manufacturer and supplier of ASTM A105 Reducing Blind Flange in Class 150, 300, 600 accordance with MSS SP-44, EN 1092-2/ ANSI/ ASME B16.5 specification

Blind Flange Specification

Standard Specification	Stainless Steel Blind Flange
Use Of SS Blind Flange	Stainless Steel Blind Flange Has A RF (Raised Face) Which Allows For Much Grip At Installation.
EN Standard	6Bar/ 10Bar/ 16Bar/ 25Bar/ 40Bar
Manufacturer of	Forged/ Threaded/ Screwed / Plate
Manufacturer Pressure Class	Class 150 (lb) up to 24" Class 300 (lb) up to 20" Class 600 (lb) up to 20" Class 900 (lb) up to 16" Class 1500 (lb) up to 10" Class 2500 (lb) up to 8"
DIN Standard	PN6/ PN10/ PN16/ PN25/ PN40/ PN64
Face Type Of ASME B16.5 Blind Flange	Raised Face Blind Flanges Flat Face Blind Flanges RTJ Blind Flanges Slip On Blind Flanges
Size Diameters	1/2”/ 2”/ 3”/ 4”/ 6”/ 8”/ 10”/ 12” to 24”.
JIS Standard	5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K
Test Certificates	EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc
Production Technique	Forged/ Heat treated and machined
Flange Test	Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Flange Equipment	Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Coating	Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Other Standard	B16.47 Series A & B/ B16.48, BS4504/ GOST
Dimensions	ASME B16.47/ MSS SP-44/ ASME B16.5/ EN 1092-1/ AWWA C207/ BS10
Application	Bitumen upgraders Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids.
UNI Standard	6 Bar/ 10 Bar/ 16 Bar/ 25 Bar/ 40 Bar
Supporting Material	Gasket/ Ring Joint/ Flange Bolts
Size	1/2 to 34", (Customized Up to 48 inch)
Wall Thickness	Sch 10S/ Sch 20/ Sch 30/ Sch 40/ Sch 60/ Sch 80/ Sch 100/ Sch 120/ Sch 140. Sch 160 to SCH 180

Price stability can be seen in Blind Flange manufacturer in India
Stainless Steel Blind Flange have high corrosion resistance, particularly to stress corrosion cracking
Very little or no maintenance material
Carbon Steel Blind Flange are suitable for harsh conditions.
Buy from SS Blind Flange manufacturers in India for factory price
A largest Manufacturer, Distributor, Importer, Exporter, Source, Stock, Distributor, Suppliers, Dealer, Stockholder, Traders, Wholesaler, Fabricator & Stockist in Asia & Middle East.

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

Our Materials Are Delivered To The Following Countries:

Stainless Steel Blind Flange

Egypt, Philippines, South Korea, Italy.

Carbon Steel Blind Flange

Spain, Jakarta, Australia, Jordan.

ASME B16.5 Blind Flange

France, Taiwan, Kuwait, Portugal.

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

ASME B16.5 Tapped 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

Tapped Blind Flange With Threaded Hole

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

Stainless Steel Blind Flange Price List

Type Of Flange	Size In Inch	SCH	Class	Grade	Price In INR (India) Per Piece
Blind Flange	3/4	40	150	ASTM A182 F304L	134.00
-	1	40	150	-	157.00
-	2	40	150	-	244.00
-	3	40	150	-	466.00
-	4	80	300	-	745.00
-	6	80	300	-	973.00
-	8	80	300	-	1352.00
-	10	80	300	-	1850.00
Blind Flange	12	80	300	ASTM A182 F304	2216.00

Carbon Steel Blind Flange Price List

Type Of Flange	Size In Inch	SCH	Class	Grade	Price In INR (India) Per Piece
Blind Flange	3/4	40	150	ASTM A105	123.00
-	1	40	150	-	145.00
-	2	40	150	-	249.00
-	3	40	150	-	430.00
-	4	40	150	-	543.00
-	6	40	150	-	735.00
-	8	40	150	-	1190.00
-	10	40	150	-	1379.00
Blind Flange	12	40	150	ASTM A105	1488.00

Applications Of Blind Flange

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 Facing Types

Type A: Flat Face (FF)
Type B: Raised Face (RF)
Type C: Tongue Face (TF)
Type D: Grooved Face (GF)
1Type E: Spigo
Type F: Recess
Type G: Ring Recess
Type H: O-Ring Groove

Blind Flange Packaging

Benefits Of Blind Flange

Refer dimensions and weight chart of ASME B16.47 Series A/ B and ANSI B16.5 Blind Flange, view EN 1092-1 Type 02 Pn16 Carbon Steel Blind Flange Price in Mumbai

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 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 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 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 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

Our Clients

Global Client Reference list & delivery schedule of Stainless Steel Blind Flange

Location	Days	Clients
India	7	Indian oil corporation, India L&T India Essar India BHEL India NTPC India WIPRO India
Malaysia	15	Saag Oil & Gas Sdn Bhd (Malaysia), Block C1, Petaling Jaya, Malaysia, 19-5, 47301 Petaling Jaya, Selangor, Malaysia Malaysian Oil & Gas Services Council, Malaysia, Persiaran Petronas, Kuala Lumpur City Centre, 50088 Kuala Lumpur, Malaysia Synergy Oil & Gas Engineering Sdn Bhd, Malaysia, B-07-02, Skypark @, Jalan USJ 25/1, One City, 47600 Subang Jaya, Selangor, Malaysia Hablem Oil & Gas (M) Sdn Bhd, Malaysia, Lot K-7162 (Ground Floor), Bandar Seri Kerteh, 24300 Kerteh, Terengganu, Malaysia
United Arab Emirates (UAE)	15	Hexa Oil & Gas, UAE, Abu Dhabi - United Arab Emirates (UAE) Al Masaood Oil & Gas, UAE, Abu Dhabi - United Arab Emirates (UAE)
Dubai	15	SPEC Oil & Gas FZCO- Dubai, Sheikh Mohammad Bin Zayed Rd - Dubai - United Arab Emirates (UAE) Dragon Oil LLC -Dubai, Umm Al Hurair 2, Building 16, Executive Office Building- Dubai, UAE Lazer Clean Middle East L.L.C, Dubai - United Arab Emirates (UAE) Esterpol DIP, Dubai Investments Park 2 - Dubai - United Arab Emirates (UAE)
Indonesia	20	Pacific Oil & Gas Indonesia. PT- Indonesia, RT.14/RW.20, Kebon Melati, Central Jakarta City, Jakarta 10230, Indonesia GE Oil & Gas- Indonesia, Batu Ampar, Batam City, Riau Islands 29444, Indonesia Medco E&P Indonesia TUGU- Indonesia, Jawa Barat 16750, Indonesia Mubadala Petroleum - Indonesia, DKI Jakarta, Daerah Khusus Ibukota Jakarta 12310, Indonesia
Singapore	15	Pacific Oil & Gas -Singapore, 1 Raffles Pl, Singapore 048624 Repsol Oil & Gas SEA Pte. Ltd. -Singapore, tower 2 Marina Bay Financial Centre, Singapore 018983 BP Singapore Pte Ltd -Singapore, 7 Straits View, #26-01 Marina One East Tower, Singapore 018936 Cosmo Oil International Pte Ltd -Singapore, 6 Battery Rd, Singapore 049909
UK	40	Solutia UK Ltd, Corporation Rd, Newport NP19 4XF, United Kingdom (UK) Stepan UK Ltd, Bridge House, Bridge Street, Stalybridge SK15 1PH, United Kingdom (UK) Univar UK Ltd, Block K/Leslie Caerphilly CF83 1BQ, United Kingdom (UK)
Australia	40	Scott Chemicals Australia Pty Ltd, 21/296 Bay Rd, Cheltenham VIC 3192, Australia Wildcat Chemicals Australia, 15 Magnesium St, Narangba QLD 4504, Australia Knight Equipment Australia PTY Ltd., Unit 3/1B Kleins Rd, Northmead NSW 2152, Australia
Italy	30	Ecolab Production Italy, Via A. Grandi, 9, 20089 Rozzano MI, Italy Sabic Italia Spa, Via S. Clemente, 1, 20122 Milano MI, Italy TEVA Pharmaceutical Industries (Italy), Via Terrazzano, 77, 20017 Rho MI, Italy
Germany	32	Evonik Industries AG, Rößlerstraße 1, 64293 Darmstadt, Germany DEA German Petroleum AG, Überseering 40, 22297 Hamburg, Germany Oiltanking GmbH Germany, Saarstraße 14, 63450 Hanau, Germany
Kuwait	12	Kuwait National Petroleum Company, Hamad Al Zuwayer St, Ahmadi, Kuwait Kuwait Oil Tanker Company, Kuwait Kuwait Drilling Company, Kuwait City, Kuwait
Oman	12	Oman Oil Service Station, Seeb, Oman CC Energy Development S.A.L Oman, 3026 As Saruj St, Muscat, Oman
Qatar	15	SPIE Oil & Gas Services Doha LLC (Qatar), Cat Building, Al Saad - 4th Floor، Doha, Qatar Qatar Petroleum Oil Refinery, Mesaieed, Qatar

Check the difference between Threaded, High Hub and Tapped Blind Flange, manufacturer of AWWA C207 large diameter Ductile iron blind flange in India

PN16 Blank 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

SAE Blind Flange Specification

SAE Blind Flange Torque Values

SAE Blind Flange Dimensions

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

Manufacturer of Forged Blind Flange in Stainless Steel, Alloy, CS, MS, Titanium, Copper, Brass, Aluminum, Nickel, Hastelloy, Alloy 20, Monel and Inconel, check Benefits and uses of 2 Inch -12 Inch SAE Blind Flange

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,

Blind Flange Tolerances

Type Of ASME/ ANSI B16.5 Pipe Flange	Diameter	Tolerance Chart
(A)	(Outer Diameter)	When Outer Diameter is 24 Inch or less: ±1/16" (1.6 mm) When Outer Diameter is over 24": ±1/8" (3.2 mm)
(D)	(Inner Diameter)	10 Inches and smaller: ±1/32" (0.8 in mm) 12 Inches thru 18": +1/8" (3.2 in mm) 20 Inches and larger: -1/16" (1.6 in mm)
(B)	Contact Face	1/16" (RF): ±1/32" (0.8 mm) 1/4" (RF), Tongue And Groove (male And female): ±1/64" (0.4 mm)
(J)	Hub At Base Dai.	When hub base is 24 inches or smaller: ±1/16" (1.6 millimeter) When hub base is over 24": ±1/8" (3.2 millimeter)
(H)	Diameter of hub at point of welding	5 inch or smaller: +3/32" (2.4 mm), -1/32" (0.8 millimeter) 6 inch or larger: +5/32" (4.0 millimeter), -1/32 (0.8 mm)
(P)	Drilling	(B.C.): ±1/16" (1.6 mm) (B.H.) spacing: ±1/32" (0.8 mm)
	Eccentricity of (bc) with respect to facing	2 1/2" or smaller ±1/32" (0.8 mm) max. 3" or larger ±1/16" (1.6 mm) max.
(C)	(W.T.)	18 inch or smaller: ±1/8" (3.2 mm), -0" 20 inch or larger: ±3/16" (4.8 mm), -0"
(K)	hub Length	10 Inch or smaller: ±1/16" (1.6 millimeter) 12 Inch or larger: ±1/8" (3.2 millimeter)

Blind Flange Sizes

Normal Pipe Size	DN
1/2	15
3/4	20
1	25
1 1/4	32
1 1/2	40
2	50
2 1/2	65
3	80
4	100

Blind Flange Bolt Chart

Blind Flange Pressure Rating

Blind Flange Hs Code

Hs Code	Description
73072100	Stainless Steel Blind Flange

Surface Finish Of Carbon Steel Blind Flange

Normal Pipe Size	(A)	(B)
1/2	3.0	1.5
3/4	3.0	1.5
1	3.0	1.5
1-1/4	3.0	1.5
1-1/2	3.0	1.5
2	3.0	1.5
2-1/2	3.0	1.5
3	4.5	1.5
3-1/2	6.0	3.0
4	6.0	3.0
5	6.0	3.0
6	6.0	3.0
8	8.0	4.5
10	8.0	4.5
12	8.0	4.5
14	8.0	4.5
16	10.0	4.5
18	12.0	6.0
20	12.0	6.0
22	12.0	6.0
24	12.0	6.0

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

ASME B16.5 Blind Flange Installation

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

Blank Flange Vs Blind Flange

Blind Flange Gasket Dimensions

(Normal Size Of Steel Pipes) In Inch	(I.D.) Inner Daimeter Gasket	(O.D.) Outer Daimeter Gasket
(Normal Size Of Steel Pipes) In Inch	(I.D.) Inner Daimeter Gasket	Class 150#/ LB	Class 300#/ LB	Class 400#/ LB	Class 600#/ LB	Class 900#/ LB
1/2	0.84	1.875	2.125	2.125	2.125	2.50
3/4	1.06	2.25	2.625	2.625	2.625	2.75
1	1.31	2.625	2.875	2.875	2.875	3.125
1 1/4	1.66	3	3.25	3.25	3.25	3.50
1 1/2	1.91	3.375	3.75	3.75	3.75	3.875
2	2.38	4.125	4.375	4.375	4.375	5.625
2 1/2	2.88	4.875	5.125	5.125	5.125	6.50
3	3.50	5.375	5.875	5.875	5.875	6.625
4	4.50	6.875	7.125	7.00	7.625	8.125
5	5.56	7.75	8.50	8.375	9.50	9.75
6	6.62	8.75	9.875	9.75	10.50	11.375
8	8.62	11	12.125	12.00	12.625	14.125
10	10.75	13.375	14.25	14.125	15.75	17.125
12	12.75	16.125	16.625	16.50	18.00	19.625

Blind Flange Symbol

Blind 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

Blind Flange Tapping Connection

Blind Flange End Connection

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