Transcription of Catalog 11 pg. - okcc.com
1 BOX Q TRUMBULL, CT 06611 CT PHONE (203) 261-6711 TOLL FREE PHONE (800) 533-3285 FAX (203) 261-8331 O'KEEFE CONTROLS CO. 2003 ALL RIGHTS RESERVED e-mail website METERINGR estriction Orifice Unions29 DescriptionRestriction unions contain an easily replace-able orifice plate and are available in carbonsteel or stainless steel. The assembly is used inliquid or gas piping systems to meter flow rateof the fluid. The all metal assembly is capableof a wide range of pressure and orifice unions are used in settingflow rates of a wide variety of fluids.
2 Compressed Air Water Steam Hydraulic Fluids Gases Chemicals CoolantsFlow rates can be easily changed by insertingother replaceable metering Plate 316 Stainless SteelUnion A105 Carbon Steel or 316 SSSizes 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 2"Connections NPT or Socket WeldPressure RatingCarbon Steel 3000 psigStainless Steel 3000 psigPart Numbers Type ROUU nknown Orifice SizeIf orifice size is unknown provide Nominal Pipe Size End Connections Data for Orifice Calculation Union Material"Part Number"PIPE SIZEUNIONUNIONTYPEORIFICECODE ENDSMATERIALROUxx8 SCS(calculate)(1")(Socket Weld)(Carbon Steel)Data Required for Calculation Fluid Type (Air, Water, Steam, etc.)
3 Fluid Supply Pressure and Temperature Pressure Differential Across Orifice Required Flow Rate Pipe ID or Pipe Schedule Specific Gravity, if not air or waterWith the above data the orifice size can be Orifice SizeIf orifice size is known provide Orifice Diameter End Connections Nominal Pipe Size Union Material"Part Number"PIPE (.060")(1/2" NPT)(NPT)(316 SS) 3 decimal places eg..060", .210", "Restriction Orifice Unionhas SS plate with precisionmetering Orifice Unionsare threaded or socket SIZESize CodeSize21/4"33/8"41/2"63/4"81"101-1/4"1 21-1/2"162"ENDSN NPTS SOCKET WELDMATERIALCS CARBON STEELSS 316 STAINLESS STEELTo order plates only, consult factory.
