OVERVIEW

Threaded/Screwed Flanges

TUBA offer High quality Threaded/Screwed Flanges to our worldwide customers. Threaded Flanges Manufacturers in India are available in all standard in which the common world standards include ASA/ ANSI/ ASME, BS10, PN/ DIN and JIS/ KS. These flanges are Good for smaller pipe sizes. Due to their features, these flanges are used in manufacturing various economical and time-saving equipment.

Threaded pipe flanges can be accumulated devoid of welding and can be used in very high pressure services, at or adjacent atmospheric pressure, where alloy steel is needed for power. Our Threaded Flanges can further be customized in terms of thicknesses, sizes and specifications as per the specific requirements of our clients. We offer these threaded flanges at market leading prices.

Threaded/Screwed flanges are may be welded around the joint after assembly, but this is not considered a satisfactory method of increasing its applications. These Flanges are manufactured by using an elite class of raw materials. Our experts test all the purchased raw materials before sending them for fabrication.


Threaded/Screwed Flange Specification

Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Threaded/Screwed Flange Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS SP44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Threaded/Screwed Flange Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Threaded/Screwed Flanges Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
Threaded/Screwed Flange 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
Threaded/Screwed Flange UNI 6Bar 10Bar 16Bar 25Bar 40Bar
Threaded/Screwed Flange EN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Threaded/Screwed Flanges Production technique Forged, Heat treated and machined
Threaded/Screwed Flange Connect Type/ Flange Face Type Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

Threaded/Screwed Flange Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Threaded/Screwed Flanges Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Threaded/Screwed Flange Origin Indian / West Europe / Japan / USA / Korean
Manufacturer of Threaded/Screwed Flange

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
ASTM A182 Threaded/Screwed Flange: -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange

B.S: BS4504 , BS3293, BS1560, BS10
AS 2129: Table D; Table E; Table H
ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
American standard (ANSI)
German (DIN)
British standard (BS)

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 ASTM A182 F316 Stainless Steel Flanges
The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Threaded/Screwed Flange Uses & application Bitumen upgraders.
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.
Threaded/Screwed Plate Flanges Export to Ireland, Singapore, Indonesia, Ukraine, Saudi & Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

Threaded/Screwed Flanges Materials & Grades

Materials : Standard, Grades
Stainless Steel Threaded/Screwed Flanges : ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Carbon Steel Threaded/Screwed Flanges : ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52,
F60, F65, F70
Alloy Steel Threaded/Screwed Flanges : ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Duplex Steel Threaded/Screwed Flanges : ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
6% Moly / Super Duplex Threaded/Screwed Flanges : ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Low Temperature Steel Threaded/Screwed Flanges : ASTM A350 LF2, LF3, LF6
High Yield Threaded/Screwed Flanges : ASTM A694 F42, F52, F60, F65, F70
Nickel Alloys Threaded/Screwed Flanges : 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)
Copper Alloys Threaded/Screwed Flanges : 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
Alloys Threaded/Screwed Flanges : ALLOY 20, ALLOY C, ALLOY C276, ALLOY B2
Other Grade of Threaded/Screwed Flanges : Bronze, Brass, Cupro Nickel, Titanium, Inconel, Monel, Hastelloy

ANSI, ASME, ASA B16.5 Threaded Flanges 150 Lbs Dimensions

Drilling
Nominal Bore Dia.
(D)
Thick.
(E)
Dia.
(F)
Dia.
(B)
Height1
(H)
Nbr Holes Dia.
(C)
1/2″ 90 9.6 35.05 30 14 4 15.87 60.3
3/4″ 100 11.2 42.92 38 14 4 15.87 69.9
1″ 110 12.7 50.80 49 16 4 15.87 79.4
1 1/4″ 115 14.3 63.50 59 19 4 15.87 88.9
1 1/2″ 125 15.9 73.15 65 21 4 15.87 98.4
2″ 150 17.5 91.94 78 24 4 19.05 120.7
2 1/2″ 180 20.7 104.65 90 27 4 19.05 139.7
3″ 190 22.3 127.00 108 29 4 19.05 152.4
3 1/2″ 215 22.3 139.70 122 30 8 19.05 177.8
4″ 230 22.3 157.22 135 32 8 19.05 190.5
5″ 255 22.3 185.67 164 35 8 22.22 215.9
6″ 280 23.9 215.90 192 38 8 22.22 241.3
8″ 345 27.0 269.75 246 43 8 22.22 298.5
10″ 405 28.6 323.85 305 48 12 25.40 362.0
12″ 485 30.2 381.00 365 54 12 25.40 431.8
14″ 535 33.4 412.75 400 56 12 28.57 476.3
16″ 595 35.0 469.90 457 62 16 28.57 539.8
18″ 635 38.1 533.40 505 67 16 31.75 577.9
20″ 700 41.3 584.20 559 71 20 31.75 635.0
24″ 815 46.1 692.15 663 81 20 34.92 749.3

ANSI, ASME, ASA B16.5 Threaded/Screwed Flanges 300 Lbs Dimensions:

Drilling
Nominal Bore Dia.
(D)
Thick.
(E)
Dia.
(F)
Dia.
(B)
Dia.
(A)
Height1
(H)
Nbr Holes Dia. 
(C)
1/2″ 95 12.7 35.05 38 23.6 21 4 15.87 66.7
3/4″ 115 14.3 42.92 48 29.0 24 4 19.05 82.6
1″ 125 15.9 50.80 54 35.8 25 4 19.05 88.9
1 1/4″ 135 17.5 63.50 64 44.4 25 4 19.05 98.4
1 1/2″ 155 19.1 73.15 70 50.3 29 8 22.22 114.3
2″ 165 20.7 91.94 84 63.5 32 8 19.05 127.0
2 1/2″ 190 23.9 104.65 100 76.2 37 8 22.22 149.2
3″ 210 27.0 127.00 117 92.2 41 8 22.22 168.3
3 1/2″ 230 28.6 139.70 133 104.9 43 8 22.22 184.2
4″ 255 30.2 157.22 146 117.6 46 8 22.22 200.0
5″ 280 33.4 185.67 178 144.4 49 8 22.22 235.0
6″ 320 35.0 215.90 206 171.4 51 12 22.22 269.9
8″ 380 39.7 269.75 260 222.2 60 12 25.40 330.2
10″ 445 46.1 323.85 321 276.2 65 16 28.57 387.4
12″ 520 49.3 381.00 375 328.6 71 16 31.75 450.8
14″ 585 52.4 412.75 425 360.4 75 20 31.75 514.4
16″ 650 55.6 469.90 483 411.2 81 20 34.92 571.5
18″ 710 58.8 533.40 533 462.0 87 24 34.92 628.6
20″ 775 62.0 584.20 587 512.8 94 24 34.92 685.8
24″ 915 68.3 692.15 702 614.4 105 24 41.27 812.8

ANSI/ASME/ASA B16.5 Threaded/Screwed Flanges 600 Lbs Dimensions:

Drilling
Nominal Bore Dia.
(D)
Thick.
(E)
Dia.
(F)
Dia.
(B)
Dia.
(A)
Height1
(H)
Nbr Holes Dia.
(C)
1/2″ 95 14.3 35.05 38 23.6 22 4 15.87 66.7
3/4″ 115 15.9 42.92 48 29.0 25 4 19.05 82.6
1″ 125 17.5 50.80 54 35.8 27 4 19.05 88.9
1 1/4″ 135 20.7 63.50 64 44.4 29 4 19.05 98.4
1 1/2″ 155 22.3 73.15 70 50.6 32 4 22.22 114.3
2″ 165 25.4 91.94 84 63.5 37 8 19.05 127.0
2 1/2″ 190 28.6 104.65 100 76.2 41 8 22.22 149.2
3″ 210 31.8 127.00 117 92.2 46 8 22.22 168.3
3 1/2″ 230 35.0 139.70 133 104.9 49 8 25.40 184.2
4″ 275 38.1 157.22 152 117.6 54 8 25.40 215.9
5″ 330 44.5 185.67 189 144.4 60 8 28.57 266.7
6″ 355 47.7 215.90 222 171.4 67 12 31.75 292.1
8″ 420 55.6 269.75 273 222.2 76 12 31.75 349.2
10″ 510 63.5 323.85 343 276.2 86 16 34.92 431.8
12″ 560 66.7 381.00 400 328.6 92 20 34.92 489.0
14″ 605 69.9 412.75 432 360.4 94 20 38.10 527.0
16″ 685 76.2 469.90 495 411.2 106 20 41.27 603.2
18″ 745 82.6 533.40 546 462.0 117 20 44.45 654.0
20″ 815 88.9 584.20 610 512.8 127 24 44.45 723.9
24″ 940 101.6 692.15 718 614.4 140 24 47.62 838.2

ASME B16.5 Threaded/Screwed Flanges Dimensional Tolerances

Outside Diameter
≤ 24 = 1.6 mm | > 24 = ± 3.2 mm
Inside Diameter
Within Limits on Boring Gauge
Diameter of Contact Face
1.6 mm Raised Face = ± 0.8 mm
6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm
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.
Outside Diameter of Hub
≤ 12 = + 2.4 mm / – 1.6 mm | ≥ 14 = ± 3.2 mm
Diameter of Counterbore
Same as forInside Diameter
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

Manufacturing Standards of Threaded/Screwed Flanges

ASME/ANSI B16.5 Threaded Flange
PRESSURE CLASS 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
DIN EN 1092-1 Face Dimensions PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400
BS 4504 SEC 3.1, BS 4504[PART 1], BS 1560 BOSS Threaded Flange
TABLE D, E, F, H
DIN FLANGES DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673
PRESSURE CLASS PN 6 TO PN 100

ANSI B16.5 Threaded/Screwed Flange Forms & Availability

Products Size
ANSI B16.5 Raised Face Threaded Flange ANSI B16.5 Stainless Steel Threaded Flanges Sizes 1/8″ – 36″
Raised Face or Flat Face
ANSI B16.5 Carbon Steel Threaded Plate Flange ANSI B16.5 Alloy Steel Threaded Pipe Flange
ANSI B16.5 Threaded Raised Face Flange ANSI B16.5 High Nickel Alloy Threaded Flanges
ANSI B16.5 Nickel Class 150 Threaded Flanges ANSI B16.5 Monel Class 300 Threaded Flanges
ANSI B16.5 Hastelloy Class 600 Threaded Flanges ANSI B16.5 Titanium Class 900 Threaded Flanges
ANSI B16.5 Cu-Ni Class 1500 Threaded Flanges ANSI B16.5 Alloy 20 Class 2500 Threaded Flanges
ASME B16.47 SMO 254 Series A Threaded Flanges ASME B16.47 Inconel Series B Threaded Flanges

Threaded/Screwed Flange Standard

American Steel Threaded Flanges Standard
Standard Code Standard Name
ANSI ASME SA-182 Threaded Flanges
ANSI ASME B16.5 Threaded Flange
ASME – B 16.36 Threaded flange
German Steel Threaded Flanges Standard
DIN 2573 / 2576 Flat Flange for Welding (Threaded)
DIN 2673 Threaded Flanges and Rings for Welding (Threaded Flanges and Plain Collars)
DIN PN10, PN16 PN10 Threaded Flanges, DIN PN 10 Threaded Flanges, PN16 Threaded Flange
DIN PN20, PN25 PN20 Threaded Flanges, DIN PN 25 Threaded Flanges
DIN PN40, PN50 PN40 Threaded Flanges, DIN PN 50 Threaded Flanges
Japanese Steel Threaded Flanges Standard
JIS B2220, B2291 Threaded flange
JIS 5K, 10K, 30K, 40K, 5K Raised Face Threaded Flange, 10K RTJ, 30K Threaded Flanges, 40K Threaded Raised Face Flanges
British Standard Threaded Flanges Standard
BS 10 Table D BS 10 Table D Threaded Flange
BS 10 Table E BS 10 Table E Threaded Flange
BS 10 Table F BS 10 Table F Threaded Flange
BS 10 Table H BS 10 Table H Threaded Flange