.jpg) Two basic styles of Orifice Plates are available: Type 500 Universal for use in Orifice Fittings and Ring-Joint Plate Holders, and Type 520 Paddle Type for use in Orifice Flanges. Specific tolerances which apply to all NuFlo Orifice Plates are as follows:
• Edges — Square and sharp, will not reflect a beam of light when viewed without magnification.
• Finish — 20 micro-inch roughness
• Flatness — Flat within 0.010 inches, per inch of dam height (dam height = pipe diameter minus orifice diameter, divided by 2)
• Bore — Orifice bore tolerance in strict accordance with AGA Gas Measurement Committee Report latest edition, ASME Fluid Meters Committee Report and Measurement Canada.
• Design — Normal stocked items are the standard design used in all industries. Special designs are available on request.
• Sizes — Orifice Plates have been furnished in line sizes from 1/2-inch to 36 inches. All standard line sizes, 2-inch to 8-inch are available from stock. Larger plates up to 60 inches line size available upon request.
• Optional — Vent or drain holes. Available at time of order. Gasket finished plates are also available at time of order. Questions or comments? Contact us!
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