· CARBON STEEL – SA-105N, SA-350LF2-1, A694, CSA Z245.12, SA-516-70
· STAINLESS STEEL – SA-182 304/304L, 316/316L, 317/317L, 321/321H, 347/347H, 304H, 310
· CHROME ALLY STEEL – SA-182 F11, F22, F5, F9, F91
· DUPLEX STAINLESS– F51/2205, F53/2507, F60
· EXOTICS – ALUMINIUM, TITANIUM, NICKEL ALLOYS
· ASME/ANSI B16.5 FORGED FLANGES
· LDS LARGE OD SO & LJ FLANGES – INDUSTRY STANDARD
· HIGH YIELD CSA Z245.12 & AWWA FLANGES
· B16.47-A/MSS SP-44 & B16.47-B/API-605
· ASME/ANSI B16.36 ORIFICE FLANGES
· ASME/ANSI B16.48 SPECTACLE BLINDS – LINE BLANKS, PADDLES, SPACERS
· DIN FLANGES, JIS FLANGES, PLATE FLANGES
· LONG WELDNECKS, EXPANSION BARRELS, & BODY CONNECTORS
· LAP JOINT END RINGS & GROOVED RINGS FOR COUPLING CONNECTORS
· Size：DN15MM-DN5000MM
· Standard： EN ASME JIS BS ,GB 12459, SHJ, HGJ Anst, DIN, ISO standard
· Pressure：150LB-2500LB
| Tolerances on flange dimensions (ASME/ANSI B16.5 and B16.47,and MSS SP-44) | |||
| Dimension | Range | Tolerance | |
| in | mm | ||
| General and Blind Flanges: | |||
| G(raised face diameter) | ≤NPS | ±0.03 | ±0.76 |
| ≥NPS 26,with 0.06 in raised face | ±0.06 | ±2.03 | |
| ≥NPS 26,with 0.25 in raised face | ±0.04 | ±1.02 | |
| I(bolt hole diameter) | All | No telerance in B16.5 or B16.47 | |
| J(bolt circle diameter) | All | ±0.06 | ±1.52 |
| Centre to centre of adjacent bolt holes | All | ±0.03 | ±0.76 |
| Eccenticity of bolt circle and machined facing diameters | ≤NPS 2 1/2 | ±0.03 | ±0.76 |
| ≥NPS 3 | ±0.06 | ±1.52 | |
| Weld Neck Flanges: | |||
| D(overall length) | ≤NPS 4 | ﹢0.06 | ﹢1.52 |
| NPS 5 to 10 | ﹢0.06,﹣0.12 | ﹢1.52,﹣3.05 | |
| NPS 12 to 24 | ﹢0.12,﹣0.18 | ﹢3.05,﹣4.57 | |
| ≥NPS 26 | ±0.19 | ±4.83 | |
| Thickness of hub | All | ＞87.5％ of pipe nominal wall thickness | |
| Slip on,Lap Joint and Socket Welding Flanges: | |||
| B(inside diameter,or bore) | ≤NPS 10 | ﹢0.03,﹣0.0 | ﹢0.76,﹣0.0 |
| ≥NPS 12 | ﹢0.06,﹣0.0 | ﹢1.52,﹣0.0 | |
| Threaded Flanges: | |||
| B(counterbore) (Not applicable for Class 150 lb) | ≤NPS 10 | ﹢0.03,﹣0.0 | ﹢0.76,﹣0.0 |
| ≥NPS 12 | ﹢0.06,﹣0.0 | ﹢1.52,﹣0.0 | |
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