Specification of Daniel junior or senior orifice fittings
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Meter Taps: All Daniel Orifice Fittings are provided with two sets of "Flange Taps," located in accordance with latest API 14.3 (AGA Report #3) recommendations.
Flange Tap: Flange tap meter connections are fi" N.P.T. Internal tap hole sizes follow latest API 14.3 (AGA Report #3) recommendations. Internal edges of tap holes are free from burrs and square edged.
Line Bore Tolerances: 2-inch and 3-inch sizes, plus or minus .003", 4, 6, 8, 10-inch sizes, plus or minus .004"; 12-inch and 14-inch plus or minus .005". Unless otherwise specified, all fittings are furnished with standard internal line bore as listed in dimensional tables.
Operating Shafts: On sizes 2-inch to 14-inch inclusive, single end operating shafts are standard on left side of fitting when looking downstream. On sizes 16-inch and larger, operating shafts on both sides of fitting are standard.
Temperature Units: Standard trim fittings Daniel 150-900 are suitable for -20 to +450°F service. Daniel 1500 and 2500 are suitable for service in -20 to c275"F. However, the Orifice Plate Seal used may limit the service temperatures. Special trims and seals are available for higher or lower temperature service. Please consult factory.
Indicator Plates: Standard on all Senior Orifice Fittings, this plate clearly shows the direction of the open and close position of the Slide Valve.
Operating Wrench: A speed wrench is provided with each fitting for quick operation of the shaft and pinions, equalizer valve, grease gun, bleed valve and clamping bar screws.
Hydrostatic Testing: All Daniel Senior Orifice U.C. Fittings are hydrostatically tested to 1.5 times operating pressure.
Plate Alignment: The plate carriers in all Senior Orifice Fittings are centered using a fixed three point positioning system. This assures concentricity within the fitting in accordance with the latest API 14.3 (A.G.A. Report #3).
