Page 49 of Boston Tube and Pipe Fitting by Moreland Hose and Belting

compression refer to safety information regarding proper selection of tubing and tube fittings on page 1 a brass fittings brass tube o.d thread size-b 1/8 5/16-24 3/16 3/8-24 1/4 7/16-24 5/16 1/2-24 3/8 9/16-24 7/16 5/8-24 1/2 5/8 3/4 1-18 1 1-1/4­18 11/16-20 13/16-18 · typical application instrumentation hydraulic and pneumatic systems · pressure working pressure up to 2000 psi with a 4:1 safety factor depending on tube size when using plastic tubing use the working pressure for type used · vibration fair resistance use long nut when greater vibration resistance is needed · temperature range -65°f to +250°f 53°c to +121°c with metal tubing when using compatible plastic tubing do not exceed the tubing temperature range refer to tubing temperature range · material ca360 brass · used with aluminum copper and weatherhead plastic tubing plastic tubing except for pt230 requires 2030x insert not recommended for steel tubing see page 28-32 for material compatibility and pages 33-34 for plastic tubing · advantages low cost easy to assemble no flaring available with long or short nut broad selection of styles and sizes · conformance listed by underwriter s laboratories available on special order for flammable liquids meets specifications and standards of asa asme and sae · how to order compression fittings are ordered as complete assemblies body nut and sleeve to order assembly supplied with long nuts simply add the prefix 1 to the catalog number example 68x4 with long nut becomes 168x4 nuts and sleeves can be ordered separately by catalog number to order bodies only less nut and sleeve prefix catalog number with letter b example b68x4 · note refer to current price list for availability of cataloged items quotations and delivery of non-stock items supplied on request configurations and dimensions subject to change without notice additional information can be found in sae j512 · assembly instructions 1 cut tubing to desired length 2 slide nut and then sleeve on tube threaded end a of nut must face toward fitting 3 insert tubing into fitting body be sure tubing is bottomed on fitting shoulder 4 lubricate threads and assemble nut to fitting body 5 tighten nut hand tight from that point tighten with a wrench the number of turns indicated in the chart below tube size 1/8 thru 1/4 5/16 3/8 thru 1 additional turns from hand tight 1-1/4 1-3/4 2-1/4 label set w-8022 adhesive cl-490 non-adhesive 47 boston weatherhead tm

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