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


Stainless Steel Blind Flange

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

Carbon Steel Blind Flange

ASTM A105 Blind Flange

ASTM A105 Blind Flange

ASTM A350 LF2 Blind Flange

ASTM A350 LF2 Blind Flange

CS Blind Flange

CS Blind Flange

Blank Flange

Blank Flange

Threaded Blind Flange

Threaded Blind Flange

Rf Blind Flange

Rf Blind Flange

Raised Face Blind Flange

Raised Face Blind Flanges

High Hub Blind Flange

High Hub Blind Flange

Flat Face Blind Flange

Flat Face Blind Flange

Blind Flange With Threaded Holes

Blind Flange With Threaded Holes

SAE Blind Flange

SAE Blind Flange

Blind Flange Drilled And Tapped

Blind Flange Drilled And Tapped

Weld Neck Blind Flange

Weld Neck Blind Flange

14 Inch Blind Flange

14 Inch Blind Flange

Our Materials Are Delivered To The Following Countries:

Stainless Steel Blind Flange

Stainless Steel Blind Flange

Egypt, Philippines, South Korea, Italy.
Carbon Steel Blind Flange

Carbon Steel Blind Flange

Spain, Jakarta, Australia, Jordan.
ASME B16.5 Blind Flange

ASME B16.5 Blind Flange

France, Taiwan, Kuwait, Portugal.

Types Of Stainless Steel Blind Flange


Stainless Blind Flange

Stainless Blind Flange

SS Blind Flange

SS Blind Flange

SS 304 Blind Flange

SS 304 Blind Flange

316 SS Blind Flange

316 SS Blind Flange

Pn16 Blank Flange

Pn16 Blank Flange

2 Inch Blind Flange

2 Inch Blind Flange

12 Inch Blind Flange

12 Inch Blind Flange

Pipe Blind Flange

Pipe Blind Flanges

3 Inch Blind Flange

3 Inch Blind Flanges

Pancake Blind Flange

Pancake Blind Flange

8 Inch Blind Flange

8 Inch Blind Flange

Slip Blind Flange

Slip Blind Flange

Brass Blind Flange

Brass Blind Flange

6 Inch Blind Flange

6 Inch Blind Flange

ASME B16.5 Blind Flange

ASME B16.5 Blind Flange

Other Materials Of Slip On Flange


Duplex Blind Flange

Duplex Blind Flange

Super Duplex Blind Flange

Super Duplex Blind Flanges

Titanium Blind Flange

Titanium Blind Flanges

Mild Steel Blind Flange

Mild Steel Blind Flange

Nickel Alloy Blind Flange

Nickel Alloy Blind Flanges

Copper Blind Flange

Copper Blind Flanges

Inconel Blind Flange

Inconel Blind Flanges

Ductile Iron Blind Flange

Ductile Iron Blind Flanges

Gi Blind Flange

Gi Blind Flanges

Aluminum Blind Flange

Aluminum Blind Flanges

Alloy Steel Blind Flange

Alloy Steel Blind Flanges

ASME B16.5 Tapped Blind Flange Dimensions


asme b16.5 tapped blind flange dimensions
NPS(D)(G)(K)(T)
1/29034.960.39.6
3/410042.969.911.2
111050.879.412.7
1-1/411563.588.914.3
1-1/212573.098.415.9
215092.1120.717.5
2-1/2180104.8139.720.7
3190127.0152.422.3
3-1/2215139.7177.822.3
4230157.2190.522.3
5255185.7215.922.3
6280215.9241.323.9
8345269.9298.527.0
10405323.8362.028.6
12485381.0431.830.2
14535412.8476.333.4
16595469.9539.835.0
18635533.4577.938.1
20700584.2635.041.3
22750641.4692.244.5
24815692.2749.346.1

Tapped Blind Flange With Threaded Hole


Tapped Blind Of SizeThreaded 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


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


ASTM SA182 Flange Packaging
ASTM SA182 Flange Packaging
ASTM SA182 Flange Packaging
ASTM SA182 Flange Packaging

Benefits Of Blind Flange


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


Stainless Steel Blind Flange Dimensions

Class 150 Blind Flange Dimensions


(Normal Size Of Steel Pipe) In InchOuter 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)
1/23-1/27/161-3/82-3/845/82
3/43-7/81/21-11/162-3/445/82
14-1/49/1623-1/845/82
1-1/44-5/85/82-1/23-1/245/83
1-1/2511/162-7/83-7/845/83
263/43-5/84-3/443/44
2-1/277/84-1/85-1/243/47
37-1/215/165643/49
3-1/28-1/215/165-1/2783/413
4915/166-3/167-1/283/417
51015/167-5/168-1/287/820
61118-1/29-1/287/827
813-1/21-1/810-5/811-3/487/847
10161-3/1612-3/414-1/412167
12191-1/41517121123
14211-3/816-1/418-3/4121-1/8139
1623-1/21-7/1618-1/221-1/4161-1/8187
18251-9/162122-3/4161-1/4217
2027-1/21-11/162325201-1/4283
24321-7/827-1/429-1/2201-3/8415

Class 300 Blind Flange Dimensions


(Normal Size Of Steel Pipe) In InchOuter 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)
1/23-3/49/161-3/82-5/845/82
3/44-5/85/81-11/163-1/443/43
14-7/811/1623-1/243/44
1-1/45-1/43/42-1/23-7/843/46
1-1/26-1/813/162-7/84-1/247/87
26-1/27/83-5/8583/48
2-1/27-1/214-1/85-7/887/812
38-1/41-1/856-5/887/816
3-1/291-3/165-1/27-1/487/821
4101-1/46-3/167-7/887/828
5111-3/87-5/169-1/487/837
612-1/21-7/168-1/210-5/8127/848
8151-5/810-5/81312179
1017-1/21-7/812-3/415-1/4161-1/8122
1220-1/221517-3/4161-1/4183
14232-1/816-1/420-1/4201-1/4241
1625-1/22-1/418-1/222-1/2201-3/8315
18282-3/82124-3/4241-3/8414
2030-1/22-1/22327241-3/8515
24362-3/427-1/432241-5/8800

Class 400 Blind Flange Dimensions


(NPS) In InchOuter 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 3.752.620.12.2500.810.560.624
3/4 4.623.250.12.2500.870.620.754
14.883.500.12.2500.940.690.754
1-1/4 5.253.880.19.2501.060.810.754
1-1/2 6.124.500.25.2501.130.880.884
26.505.000.31.2501.251.000.758
2-1/2 7.505.880.31.2501.371.120.888
38.256.620.38.2501.501.250.888
3-1/29.007.250.38.2501.631.381.008
410.007.880.44.2501.631.381.008
511.009.250.44.2501.751.501.008
612.5010.620.50.2501.871.621.0012
815.0013.000.50.2502.131.881.1212
1017.5015.250.50.2502.372.121.2516
1220.5017.750.50.2502.502.251.3816
1423.0020.250.50.2502.632.381.3820
1625.5022.500.50.2502.752.501.5020
1828.0024.750.50.2502.872.621.5024
2030.5027.000.50.2503.002.751.6224
2233.0029.250.50.2503.132.881.7524
2436.0032.000.50.2503.253.001.8824

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 9.507.505.00.2501.751.501.008
411.509.256.19.2502.001.751.258
513.7511.007.31.2503.253.001.388
615.0012.508.50.2502.442.191.2512
818.5015.5010.63.2502.752.501.5012
1021.5018.5012.75.2503.002.751.5016
1224.0021.0015.00.2503.383.131.5020
1425.2522.0016.25.2503.633.381.6320
1627.7524.2518.50.2503.753.501.7520
1831.0027.0021.00.2504.254.002.0020
2033.7529.5023.00.2504.504.252.1320
2441.0035.5027.25.2505.755.502.6320

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 9.507.505.00.2501.751.501.008
411.509.256.19.2502.001.751.258
513.7511.007.31.2503.253.001.388
615.0012.508.50.2502.442.191.2512
818.5015.5010.63.2502.752.501.5012
1021.5018.5012.75.2503.002.751.5016
1224.0021.0015.00.2503.383.131.5020
1425.2522.0016.25.2503.633.381.6320
1627.7524.2518.50.2503.753.501.7520
1831.0027.0021.00.2504.254.002.0020
2033.7529.5023.00.2504.504.252.1320
2441.0035.5027.25.2505.755.502.6320

Class 1500 Blind Flange Dimensions


NPSOuter Daimeter(WT)Hub DaimeterBLRF Bolts Circle DaimeterBolts Holes DaimeterNumber Of BLRF BoltsBolts Daimeter In (Inches)Weight in kilogram (KG)
inches(dn)(O)(C)(X)(BC)(BH)(BN)(BD)(KG/PCS)(LB/PCS)
1/215120.722.438.182.622.443/41.94.2
3/42013025.444.588.922.443/42.76
125149.428.452.3101.625.447/83.78.1
1-1/432158.828.463.5111.325.447/84.39.5
1-1/240177.831.869.912428.4415.913
250215.938.1104.6165.125.487/811.324.9
2-1/265244.341.1124190.528.4811635.2
380266.747.8133.4190.525.487/819.543
4100311.253.8162.123531.881 1/83372.8
5125374.773.2196.9279.435.181 1/460132
6150393.782.6228.6317.531.8121 1/875165
8200482.691.9292.1393.738.1121 3/8125275
10250584.2108368.3469.938.1161 3/8215474
12300673.1124450.9533.438.1201 3/8316697
14350749.3133.4495.3558.841.1201 1/2
16400825.5146.1552.561644.5201 5/8
18450914.4162.1596.9685.850.8201 7/8
20500984.3177.8641.4749.353.8202
246001168.4203.2762901.766.5202 1/2

Class 1500 RTJ Blind Flange Dimensions


NPSOuter Daimeter(WT)Hub DaimeterBLRF Bolts Circle DaimeterBolts Holes DaimeterNumber Of BLRF BoltsBolts Daimeter In (Inches)Weight in kilogram (KG)
inches(dn)(O)(C)(X)(BC)(BH)(BN)(BD)(KG/PCS)(LB/PCS)
1/215120.722.438.182.622.443/41.94.2
3/42013025.444.588.922.443/42.76
125149.428.452.3101.625.447/83.78.1
1-1/432158.828.463.5111.325.447/84.39.5
1-1/240177.831.869.912428.4415.913
250215.938.1104.6165.125.487/811.324.9
2-1/265244.341.1124190.528.4811635.2
380266.747.8133.4190.525.487/819.543
4100311.253.8162.123531.881 1/83372.8
5125374.773.2196.9279.435.181 1/460132
6150393.782.6228.6317.531.8121 1/875165
8200482.691.9292.1393.738.1121 3/8125275
10250584.2108368.3469.938.1161 3/8215474
12300673.1124450.9533.438.1201 3/8316697
14350749.3133.4495.3558.841.1201 1/2
16400825.5146.1552.561644.5201 5/8
18450914.4162.1596.9685.850.8201 7/8
20500984.3177.8641.4749.353.8202
246001168.4203.2762901.766.5202 1/2

Class 2500 Blind Flange Dimensions


NPSOuter Daimeter Minimum (WT)BLRF Bolts Circle DaimeterBolts Holes DaimeterNumber Of BLRF BoltsDaimeter of Bolts In (inch)Weight In KilogramWeight In LB
Inches(dn)(O)(C)(BC)(BH)(BN)(BD)
1/215133.430.288.922.443/437
3/420139.731.895.322.443/44.510
125158.835.110825.447/8512
1-1/432184.238.113028.441818
1-1/240203.244.5146.131.841 1/81125
25023550.8171.528.4811738
2-1/265266.757.2196.931.881 1/82555
380304.866.5228.635.181 1/43986
4100355.676.2273.141.181 1/260133
5125419.191.9323.947.881 3/4101223
6150482.6108368.353.882156345
8200552.5127438.253.8122242533
10250673.1165.1539.866.5122 1/24651023
12300762184.2619.373.2122 3/46651463

Our Clients

Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
Our Clients
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


PN16 Blank Flange Dimensions
Diameter Of PN16 Blank Flange Flange Screws/ Threaded Weight In Kilogram
(D) (b) (k) (Number) (Thread) (d2) (Shape B)
159514654M 1214
2010516751,01
2511516851,23
3214016100M 16181,8
40150161102,09
50165181252,88
65185181453,66
802002016084,77
100220201805,65
125250222108,42
15028522240M 202210,4
200340242951216,1
25040526355M 242624,9
3004602841035,1
350520304701647,8
40058032525M 273063,5
5007153665020M 3033102

SAE Blind Flange Specification


SAE Blind Flange Specification

SAE Blind Flange Torque Values


SAE Blind Flange Torque Values

SAE Blind Flange Dimensions


SAE Blind Flange Dimensions
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 InchesSize In MillimeterBLRF Flanges
Outer Daimeter (O.D.) In
(MM)
BLRF Flanges
Wall Thickness Of
(D)
In M)
(ANSI B16.5 Blind Flanges)
1/21588.911.20.4
3/42098.612.70.6
12510814.20.9
1 1/432117.315.71.2
1 1/24012717.51.5
250152.419.12.4
2 1/265177.822.43.9
380190.523.94.9
3 1/290215.923.96.2
4100228.623.97.0
512525423.98.6
6150279.425.411.3
8200342.928.419.6
10250406.430.228.6
12300482.631.843.2
14350533.435.158.1
16400596.936.676.1
1845063539.693.7
20500698.542.9122.0

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


Stainless Steel Blind Flanges For Sale
Stainless Steel Blind Flanges For Sale
Stainless Steel Blind Flanges For Sale
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 DiameterTolerance 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 Bolt Chart
Blind Flange Bolt Chart

Blind Flange Pressure Rating


Blind Flange Pressure Rating
Blind Flange Pressure Rating
Blind Flange Pressure Rating
Blind Flange Pressure Rating
Blind Flange Pressure Rating

Blind Flange Hs Code


Hs Code Description
73072100 Stainless Steel Blind Flange

Surface Finish Of Carbon Steel Blind Flange


Surface Finish Of Carbon Steel Blind Flange
Normal Pipe Size(A)(B)
1/23.01.5
3/43.01.5
13.01.5
1-1/43.01.5
1-1/23.01.5
23.01.5
2-1/23.01.5
34.51.5
3-1/26.03.0
46.03.0
56.03.0
66.03.0
88.04.5
108.04.5
128.04.5
148.04.5
1610.04.5
1812.06.0
2012.06.0
2212.06.0
2412.06.0

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


ASME B16.5 Blind Flange Installation

Blind Flange Manufacturing Process


Blind Flange Manufacturing Process

Raw Material

  • Raw Materia
  • Materia Dimension And Visual
  • Materia Quantity
Blind Flange Manufacturing Process

Inspection

  • Chemical And Mechanical Analysis
  • Analysis Of Preservation Certificate
Blind Flange Manufacturing Process

Cutting

  • Cut Surface
  • Marking
  • Weight Measuring
Blind Flange Manufacturing Process

Forging Flange

  • Grade Of Material
  • Control Flange Temperature
Blind Flange Manufacturing Process

Heat Treatment

  • Flange Solution Treatment
  • Flanges Mechanical Test
  • Normalizing
Blind Flange Manufacturing Process

Forging Rolling Of Flange

  • Check Dimension
  • Check Marking
  • Check Weight
Blind Flange Manufacturing Process

Final Inspection Of Pipe Flange

  • Test Of Visual
  • Test Of Nondestructive
Blind Flange Manufacturing Process

Rust Prevention

  • View Preserve
  • Marking
  • Heat Number
Blind Flange Manufacturing Process

Packaging

  • Specification Of Packing
  • Inspection Of Packing
  • Delivery Time And Day

BLRF Flange Full Form


Blind Raised Face Flanges


Blank Flange Vs Blind Flange


Blank Flange Vs Blind Flange

Blind Flange Gasket Dimensions


Blind Flange Gasket Dimensions
(Normal Size Of Steel Pipes) In Inch(I.D.) Inner Daimeter Gasket
(O.D.) Outer Daimeter Gasket
Class 150#/ LB Class 300#/ LB Class 400#/ LB Class 600#/ LB Class 900#/ LB
1/20.841.8752.1252.1252.1252.50
3/41.062.252.6252.6252.6252.75
11.312.6252.8752.8752.8753.125
1 1/41.6633.253.253.253.50
1 1/21.913.3753.753.753.753.875
22.384.1254.3754.3754.3755.625
2 1/22.884.8755.1255.1255.1256.50
33.505.3755.8755.8755.8756.625
44.506.8757.1257.007.6258.125
55.567.758.508.3759.509.75
66.628.759.8759.7510.5011.375
88.621112.12512.0012.62514.125
1010.7513.37514.2514.12515.7517.125
1212.7516.12516.62516.5018.0019.625

Blind Flange Symbol


Blind Flange Symbol

Blind Flange Marking


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 Tapping Connection

Blind Flange End 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