300LBS Pressure Large Diameter Lap Joint Flange in 304L Forged Steel
Product Name: Lap Joint Flange
Pressure Rating: 300 lbs
Material: 304L Forged Steel Flanges
A flange is defined as a plate-type device, typically round, that is attached to the end of a pipe, fitting, valve, or other object to facilitate the assembly and disassembly of a piping system.
Flanges are manufactured in various materials to match the pipe and fitting materials. While some flanges are made of cast iron, the majority are forged carbon steel for enhanced strength and durability.
- Weld Neck Flanges
- Slip-On Flanges
- Lap Joint Flanges
- Threaded Flanges
- Socket Weld Flanges
- Blind Flanges
Size Range: ½" TO 54"
Pressure Ratings: 150#, 300#, 600#, 900#, 1500#, 2500#
Standards: ASME B 16.5, ASME B 16.47, API 6A
Types: SORF, WNRF, SWRF, BLRF, Threaded, etc.
Special Variants: Spacers, Spectacle Blinds, Drip Rings, RTJ, Tongue, Groove, Orifice, etc.
Carbon Steel: A-105, A-350 LF2 [NACE + HIC] etc.
Alloy Steel: F-5, F-9, F-11, F-22, F-91 etc.
Stainless Steel: SS 304, SS 304L, SS316, SS 316L, SS 316Ti, SS 321, SS 347, SS 304H, 317L, 347H, etc.
Duplex SS: F-51, F-55
High Strength Steel: A694 Gr 52, 60, 65, 70, AISI 4130, 4140
Nickel Alloys: Monel 400, Inconel 625, Inconel 825, Alloy 20, etc.
| Nominal Bore | Pipe OD A | Flange dia. B | Raised Face dia. D | Flange Thickness T | Welding Neck | Slip-on/Screwed/Socket-weld | Bolt PCD | No. of Bolts | Bolt Hole dia. |
|---|---|---|---|---|---|---|---|---|---|
| 15 | 21.4 | 88.9 | 34.9 | 11.1 | 47.6 | 15.9 | 60.3 | 4 | 15.9 |
| 20 | 27.0 | 98.4 | 42.9 | 12.7 | 52.4 | 15.9 | 69.8 | 4 | 15.9 |
| 25 | 34.1 | 107.9 | 50.8 | 14.3 | 55.6 | 17.5 | 79.4 | 4 | 15.9 |
| 32 | 42.9 | 117.5 | 63.5 | 15.9 | 57.1 | 20.6 | 88.9 | 4 | 15.9 |
| 40 | 48.4 | 127.0 | 73.0 | 17.5 | 61.9 | 22.2 | 98.4 | 4 | 15.9 |
| 50 | 60.3 | 152.4 | 92.1 | 19.0 | 63.5 | 25.4 | 120.6 | 4 | 19.0 |
| 65 | 73.0 | 177.8 | 104.8 | 22.2 | 69.8 | 28.6 | 139.7 | 4 | 19.0 |
| 80 | 88.9 | 190.5 | 127.0 | 23.8 | 69.8 | 30.2 | 152.4 | 4 | 19.0 |
| 90 | 101.6 | 215.9 | 139.7 | 23.8 | 71.4 | 31.7 | 177.8 | 8 | 19.0 |
| 100 | 114.3 | 228.6 | 157.2 | 23.8 | 76.2 | 33.3 | 190.5 | 8 | 19.0 |
| 125 | 141.3 | 254.0 | 185.7 | 23.8 | 88.9 | 36.5 | 215.9 | 8 | 22.2 |
| 150 | 165.1 | 279.4 | 215.9 | 25.4 | 88.9 | 39.7 | 241.3 | 8 | 22.2 |
| 150 | 168.3 | 279.4 | 215.9 | 25.4 | 88.9 | 39.7 | 241.3 | 8 | 22.2 |
| 200 | 219.1 | 342.9 | 269.9 | 28.6 | 101.6 | 44.4 | 298.4 | 8 | 22.2 |
| 250 | 273.1 | 406.4 | 323.8 | 30.2 | 101.6 | 49.2 | 361.9 | 12 | 25.4 |
| 300 | 323.9 | 482.6 | 381.0 | 31.7 | 114.3 | 55.6 | 431.8 | 12 | 25.4 |
| 350 | 355.6 | 533.4 | 412.7 | 34.9 | 127.0 | 57.1 | 476.2 | 12 | 28.6 |
| 400 | 406.4 | 596.9 | 469.9 | 36.5 | 127.0 | 63.5 | 539.7 | 16 | 28.6 |
| 450 | 457.2 | 635.0 | 533.4 | 39.7 | 139.7 | 68.3 | 577.8 | 16 | 31.7 |
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