Blind Flange Supplier In Indonesia

We at Dhanratan Steel Industries are among the leading suppliers of Blind Flanges in Indonesia and our main focus is on quality. We have a wide variety of sizes and materials to accommodate all the industrial requirements and some of the most demanded ones are the 4-inches and 6-inches blind flanges. Our major products are carbon steel and stainless steel blind flanges, and we guarantee that we will supply our customers with quality and reliable products for use in various industries.

blind flange valve, Stainless Steel Blind Flanges Supplier, Carbon Steel Blind Flanges Stockists, Blind Flanges Dealers, Blind Flanges Exporters in Indonesia.

We offer several types of blind flanges, such as face blind flanges and spectacle blind flanges. The face blind flanges are used to cover and seal the end of a pipeline or a vessel, while spectacle blind flanges are used to stop the flow of fluids in their respective dimensions. Spectacle blind flange dimensions are designed to the highest level of detail to guarantee a firm and watertight connection to your systems.

We know the significance of quality and safety. This is why every product we develop is made to conform to the required industry standards and is fitted with all the required approvals to guarantee its performance. Our carbon steel blind flanges are highly durable and can withstand rigorous working environments hence suitable for use in highly demanding industries. The stainless steel blind flanges are corrosion-free and are suitable for applications where the flanges are exposed to moisture and chemicals.

Largest Exporters and Suppliers of Weld Neck, Long Weld Neck, Slip-On, Spectacle Blind, Socket Weld, Blind, Threaded, Orifice, High Hub, Lap Joint, Square, RTJ, Tongue and Groove, Expander, Reducing, Male & Female, Bleed, Drip & Vent Ring, Weldoflange, Nipoflange, Flangeolet, Backing, Ring Spacer, Paddle Blind, Plate, Galvanized, IBR, Spool, Custom, Swivel Ring, Nozzle, Companion, Studding Outlet, Exhaust, Navy, Orific Union, Wire Seal Flange in Indonesia

We offer our products at competitive prices and ensure that we deliver on time. To meet our clients’ needs, we provide flexible shipping services to ensure that your consignment is delivered to you in Indonesia within the shortest time possible. In the oil and gas, petrochemical or any other industry that needs top-notch blind flanges, we are your ideal supplier.
blind flange in indonesia

Specifications of Blind Flange in Indonesia

Dimensions ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
Flange Face Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ).
Class/Pressure 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
DIN DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636,DIN 2637, DIN 2638, DIN 2673
BS BS 4504 , BS 4504, BS 1560, BS 10
PN PN6, PN10, PN16, PN25, PN40

Material & Grades of Blind Flange in Indonesia

Stainless Steel Blind Flange : ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L Blind Flange

Duplex & Super Duplex Steel Blind Flange : ASTM A182 / ASME SA182 F44, F 45, F51, F 53, F 55, F 60, F 61 Blind Flange

Carbon Steel Blind Flange : ASTM A105 / ASME SA105 ASTM / ASME A 350 , ASTM A181 LF2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706 Blind Flange

Low Temperature Carbon Steel Blind Flange: ASTM A350, LF2, LF3 Blind Flange

Alloy Steel Blind Flange : ASTM A182 / ASME SA182 & A387 F1, F5, F9, F11, F12, F22, F91 Blind Flange

Copper Alloy Steel Blind Flange : ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200

Nickel Alloy Blind Flange : ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020) Blind Flange

Dimensions of Blind Flange in Indonesia

ANSI/ASME/ASA B16.5 150lb/sq.in. Flange BLIND-RF
ø D b g k Holes l Kg.
1/2" 88,9 11,1 34,9 60,3 4 15,9 0,400
3/4" 98,4 12,7 42,9 69,8 4 15,9 0,700
1" 107,9 14,3 50,8 79,4 4 15,9 0,900
1 1/4" 117,5 15,9 63,5 88,9 4 15,9 1,300
1 1/2" 127,0 17,5 73,0 98,4 4 15,9 1,600
2" 152,4 19,0 92,1 120,6 4 19,0 2,600
2 1/2" 177,8 22,2 104,8 139,4 4 19,0 4,100
3" 190,5 23,8 127,0 152,4 4 19,0 5,000
3 1/2" 215,9 23,8 139,7 177,8 8 19,0 6,400
4" 228,6 23,8 157,2 190,5 8 19,0 7,100
5" 254,0 23,8 185,7 215,9 8 22,2 9,000
6" 279,4 25,4 215,9 241,3 8 22,2 11,800
8" 342,9 28,6 269,9 298,4 8 22,2 21,000
10" 406,4 30,2 323,4 361,9 12 25,4 30,000
12" 482,6 31,7 381,0 431,8 12 25,4 45,000
14" 533,4 34,9 412,7 476,2 12 28,6 59,000
16" 596,9 36,5 469,9 539,9 16 28,6 79,000
18" 635,0 39,7 533,4 577,8 16 31,7 97,000
20" 698,5 42,9 584,2 635,0 20 31,7 124,000
22" 749,3 46,0 641,2 692,1 20 34,9 151,000
24" 812,8 47,6 692,1 749,3 20 34,9 188,000
ANSI/ASME/ASA B16.5 300lb/sq.in. Flange BLIND-RF
ø D b g k Holes l Kg.
1/2" 95,2 14,3 34,9 66,7 4 15,9 0,700
3/4" 117,5 15,9 42,9 82,5 4 19,0 1,200
1" 123,8 17,5 50,8 88,9 4 19,0 1,500
1 1/4" 133,3 19,0 63,5 98,4 4 19,0 2,000
1 1/2" 155,6 20,6 73,0 114,3 4 22,2 2,900
2" 165,1 22,2 92,1 127,0 8 19,0 3,400
2 1/2" 190,5 25,4 104,8 149,2 8 22,2 5,100
3" 209,5 28,6 127,0 168,3 8 22,2 7,000
3 1/2" 228,6 30,2 139,7 184,1 8 22,2 8,900
4" 254,0 31,7 157,2 200,0 8 22,2 11,800
5" 279,4 34,9 185,7 234,9 8 22,2 15,500
6" 317,5 36,5 215,9 269,9 12 22,2 21,300
8" 381,0 41,3 269,9 330,2 12 25,4 35,200
10" 444,5 47,6 323,8 387,3 16 28,6 57,000
12" 520,7 50,8 381,0 450,8 16 31,7 82,000
14" 584,2 54,0 412,7 514,3 20 31,7 106,000
16" 647,7 57,1 469,9 571,5 20 34,9 140,000
18" 711,2 60,3 533,4 628,6 24 34,9 178,000
20" 774,7 63,5 584,2 685,8 24 34,9 223,000
22" 838,2 66,7 641,2 742,9 24 41,3 270,000
24" 914,4 69,8 692,1 812,8 24 41,3 345,000
ANSI/ASME/ASA B16.5 600lb/sq.in. Flange BLIND-RF
ø D b g k Holes l Kg.
1/2" 95,2 14,3 34,9 66,7 4 15,9 0,700
3/4" 117,5 15,9 42,9 82,5 4 19,0 1,200
1" 123,8 17,5 50,8 88,9 4 19,0 1,500
1 1/4" 133,3 20,6 63,5 98,4 4 19,0 2,000
1 1/2" 155,6 22,2 73,0 114,3 4 22,2 3,200
2" 165,1 25,4 92,1 127,0 8 19,0 4,300
2 1/2" 190,5 28,6 104,8 149,2 8 22,2 6,000
3" 209,5 31,7 127,0 168,3 8 22,2 8,000
3 1/2" 228,6 34,9 139,7 184,1 8 25,4 10,500
4" 273,0 38,1 157,2 215,9 8 25,4 18,000
5" 330,2 44,4 185,7 266,7 8 28,6 28,500
6" 355,6 47,6 215,9 292,1 12 28,6 35,500
8" 419,1 55,6 269,9 349,2 12 31,7 58,000
10" 508,0 63,5 323,8 431,8 16 34,9 98,000
12" 558,8 66,7 381,0 488,9 20 34,9 125,000
14" 603,2 69,8 412,7 527,0 20 38,1 151,000
16" 685,8 76,2 469,9 603,2 20 41,3 215,000
18" 742,9 82,5 533,4 654,0 20 44,4 287,000
20" 812,8 88,9 584,2 723,9 24 44,4 366,000
22" 869,9 95,2 641,2 777,9 24 47,6 437,000
24" 939,8 101,6 692,1 838,2 24 50,8 532,000

Dimensional Tolerances of Blind Flange ASME B16.5 in Indonesia

Outside Diameter
≤ 24 = 1.6 mm | > 24 = ± 3.2 mm
Inside Diameter
not applicable
Diameter of Contact Face
1.6 mm Raised Face = ± 0.8 mm
6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm
Outside Diameter of Hub
≤ 12 = + 2.4 mm / – 1.6 mm | ≥ 14 = ± 3.2 mm
Diameter of Counterbore
not applicable
Drilling
Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm
Eccentricity of Bolt Circle with Respect to Facing
≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max.
Thickness
≤ 18 = + 3.2 mm / – 0 | ≥ 20 = + 4.8 mm / – 0
Length thru Hub
≤ 18 = + 3.2 mm / – 0.8 mm | ≥ 20 = + 4.8 mm / – 1.6 mm

Notes
1. Dimensions are in millimeters unless otherwise indicated.
2. The length of the stud bolt does not include the height of the chamfers (points).

Materials of Blind Flanges in Indonesia

Steel Blind Flanges

Stainless Steel Blind Flanges in Indonesia

Alloy Steel Blind Flanges

Alloy Steel Blind Flanges in Indonesia

Carbon Steel Blind Flanges

Carbon Steel Blind Flanges in Indonesia

Duplex Steel Blind Flanges

Duplex Steel Blind Flanges in Indonesia

Super Duplex Steel Blind Flanges

Super Duplex Steel Blind Flanges in Indonesia

Nickel Alloy Blind Flanges

Nickel Alloy Blind Flanges in Indonesia

Blind Flange Industrial Application in Indonesia

  • Industrial Boilers Industry
  • Power Plants Industry
  • Nuclear Plants Industry
  • Oil & Gas Industry
  • Refineries Industry
  • Ship Building Industry
  • Heat Exchanger Industry
  • Condensers Industry
  • Paper & Pulp Industry
  • Marine Applications
  • Nuclear Power Industry
  • Fossil Fuel Power Plants Industry