Metal Orifice Assemblies - O'Keefe Controls Inc

Metal Orifice AssembliesTHREADED INSERTS - NOSE SEALS17DescriptionThis type precision orifice includes ano-ring for sealing against a flat surface. Theset screw style can be installed in fittings,manifolds and custom parts for accurate flowrate control of liquids or gases.SpecificationsThread Sizes – 6/32, 10/32, 1/4•20 and5/16•18.Flow Direction – Suitable for flow in eitherdirection. Data on pages 20 and 21 is measuredfor flow direction from nose end to hexend.Flow – See flow chart for air flow on pages20 and 21.C VRange – .00035 to .200See pages 20, 21 and 23.Orifice Diameter Accuracy – ±.0005"Fluid Media – Air, Water, Gases and Liquidscompatible with materials of construction.Dimensions – See drawings this page.Materials of Construction –Brass or 303 SS Body.Viton or Buna-N O-ringMaximum Operating Pressure –200 psig. . . . . .Maximum Operating Temperature –300°F.Part NumbersOrifice SizeSize Dia. NumberNumber In. Range4 .00395 .00516 .00597 .00718 .00799 .009110 .010211 .011012 .012213 .013014 .014215 .015016 .01617 .01718 .01819 .01920 .02021 .02122 .02223 .02324 .02425 .02526 .02627 .02728 .02829 .02931 .03132 .03233 .03335 .03537 .03738 .03839 .03940 .04041 .04142 .04243 .04347 .04752 .05255 .05560 .06063 .06367 .06770 .07073 .07376 .07679 .07981 .08186 .08689 .08994 .094Thread6/324-31Thread10/324-52Thread1/4•204-81Thread5/16•184-94The complete part number for an orifice assembly includes Type, Size Number, ThreadSize, Body Material and Seal Material.EXAMPLES Size Thread Body PartType Number Size Material O-Ring Number.ZNS 10(.010") 6/32 BR (Brass) V (Viton) ZNS-10-6/32-BR-VZNS 20(.020") 1/4•20 SS (303 SS) BN (Buna-N) ZNS-20-1/4•20 SS-BNType ZNSCBMaximumOpening ØConstructionO-RingATh'dTh'd A B C HexInstallationSeal against flatsmooth surfaceO-RingThread MaximumOpening Ø6/32 .047"10/32 .070"1/4•20 .093"5/16•18 .125"Hex6/32 .310" .088" .090" 1/16"10/32 .425" .105" .125" 3/32"1/4•20 .500" .150" .175" 1/8"5/16•18 .640" .190" .220" 5/32"Type ZNSP.O. BOX Q • TRUMBULL, CT 06611 • CT PHONE (203) 261-6711 • TOLL FREE PHONE (800) 533-3285 • FAX (203) 261-8331© O'KEEFE CONTROLS CO. • 2010 ALL RIGHTS RESERVED e-mail ca@okcc.com • website www.okcc.com