Orifice Flange
Orifice Flanges are used with orifice meters for the purpose of measuring the flow rate of either liquids or gases in the respective pipeline. Orifice flanges generally come with either raised faces or RTJ (Ring Type Joint) facings.They are,for all intensive purposes,the same as weld neck and slip-on flanges with extra machining. They have modifications of radial tapped holes in the flange ring for meter connections and orifice plate carriers for the reason of fitting meter connections. The additional bolts act as a jack to allow the separation of the two flanges to change the orifice plate or for other inspection services.
Description
| Type | Orifice Flange |
| Materials | Alloys Steel (ASTM A234 WP12/WP11/WP22/WP5/WP9/WP91)< /br>
Stainless Steel (ASTM A403 WP304/WP304L/WP316/WP316L)< /br> Carbon Steel (ASTM A234WPS, A234WPC, A420 WPL6), St45.8 A105 A106 STG42) |
| Specification | ANSI, B16.9, ASME, DIN2650, 2615, 2616, 2617, JIS B2311, 2312, 2313, EN 10253-11, EN10253-2 |
| Type | LR 30, 45, 60, 90, 180 degree< /br>
SR 30, 45, 60, 90, 180 degree< /br> 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D |
| Hub thickness | SCH5 , SCH10, SCH20, SCH30, SCH STD ,SCH40, SCH60, SCH XS ,SCH80, SCH100, SCH120, SCH140, SCH160, XXS |
| Dimension | 1/2-80 inch (DN15-DN2000) |
| Surface finished | Anti-rust oli, painting (yellow, black, green, red), hot dip galvanized, Zinc-plate |
| Application: | Oil & Gas, Marine, Gas, Power Plant, shipbuilding |
| Heat Treatment | Normalizing, Annealing, Quenching+Tempering |
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