We are one of the leading manufacturers & exporters of threaded flanges, threaded pipe flanges and stainless steel threaded flanges. These special type of flange is generally used for high pressure, yet smaller diameter applications. Their key feature is that these flanges can be assembled without welding. Threaded Flanges can be used in extremely high pressure services, thus proving impeccable working capacities. Our threaded flanges, threaded pipe flanges and stainless steel threaded flanges can be customized as per the client's requirement.
Stainless Steel : ASTM A 182, A 240
Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750
Carbon Steel : ASTM A 105, ASTM A 181
Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91
Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276
Copper Alloys : Copper, Brass & Gunmetal
Size : 1/8" NB TO 48"NB.
Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #
74Nominal Sizes | Common Dimensions | Bore | Length Thru Hub | Drilling | Weight | |||||||
Flange Size | Process Pipe | Jacket Pipe | Out Side Diam | Flange Thickness & Face to Pipe | OD Raised Face | Slip on | Buttweld | Slip on | Buttweld | Bolt Circle | # Holes & Diam | Buttweld Est. Wt. in Pounds |
1" | 1" | 1" | 4.25 | 0.56 | 2.00 | 0.88 | * | 0.81 | 1.31 | 3.13 | 4 -.63 | 2 |
2- 1/2" | 3/4" | 2- 1/2" | 5.00 | 0.69 | 3.00 | 1.09 | * | 0.94 | 1.44 | 3.88 | 4 -.63 | 4 |
2" | 1" | 2" | 6.00 | 0.75 | 3.63 | 1.36 | * | 1.00 | 1.50 | 4.75 | 4 -.75 | 6 |
2-1/2" | 1-1/2" | 2-1/2" | 7.00 | 0.88 | 4.25 | 1.95 | * | 1.13 | 1.63 | 5.50 | 4 -.75 | 9 |
3" | 2" | 3" | 7.50 | 0.94 | 5.00 | 2.44 | * | 1.19 | 1.69 | 6.00 | 4 -.75 | 11 |
4" | 3" | 4" | 9.00 | 0.94 | 6.19 | 3.57 | * | 1.19 | 1.69 | 7.50 | 8 - .75 | 15 |
6" | 4" | 6" | 11.00 | 1.00 | 8.50 | 4.57 | * | 1.25 | 1.75 | 9.50 | 8 -.88 | 23 |
8" | 6" | 8" | 13.50 | 1.13 | 10.63 | 6.72 | * | 1.50 | 2.25 | 11.75 | 8 -.88 | 38 |
10" | 8" | 10" | 16.00 | 1.19 | 12.75 | 8.72 | * | 1.56 | 2.31 | 14.25 | 12-1.00 | 52 |
12" | 10" | 12" | 19.00 | 1.25 | 15.00 | 10.88 | * | 1.63 | 2.38 | 17.00 | 12-1.00 | 74 |
14" | 12" | 14" | 21.00 | 1.38 | 16.25 | 12.88 | * | 1.88 | 2.88 | 18.75 | 12-1.33 | 92 |
16" | 14" | 16" | 23.50 | 1.44 | 18.50 | 14.14 | * | 1.94 | 2.94 | 21.25 | 16-1.13 | 125 |
18" | 16" | 18" | 25.00 | 1.56 | 21.00 | 16.16 | * | 2.06 | 3.06 | 22.75 | 16-.125 | 141 |
20" | 18" | 20" | 27.50 | 1.69 | 23.00 | 18.18 | * | 2.19 | 3.19 | 25.00 | 20-1.25 | 179 |
24" | 20" | 24" | 32.00 | 1.88 | 27.25 | 20.20 | * | 2.38 | 3.38 | 29.50 | 20-1.38 | 287 |