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Parker Hannifin, original Patent Holder (US 6851729 B2), for "Tube Fitting, Medium Pressure" developed the MPI Medium Pressure compression fitting connections to be secure and gas-tight while being made manually (wrench turns) or hydraulic set tool. This connection has application throughout industry, including off-shore oil and gas exploration platforms, research labs, and other facilities that require operating pressures to 15,000 psi (1035 bar).

MPI™ Fittings are ideally suited to handle liquids, gases, or chemicals and can be used on a wide variety of tubing materials including: Instrument Grade thick-walled annealed 316 SS, 1/8th Hard (cold drawn) 316 or 317 SS MPI tubing, and 2507 Super Duplex MPI tubing up to 1" OD. Every Parker MPI™ Fitting is supplied complete with both ferrules and compression gland nut, ready to install.

NOTE:
  • Add to the part number either -SS or -2507 depending on selected material. (Example: 16-16 FBMP7-SS)
  • Maximum working pressure based on ASME B31.3 Chapter IX safety factor
  • Dimensions in inches are for reference only, subject to change.
  • Adapts to Type “M” Swivel Hose Connection.
  • Pressure Rating of Fittings is controlled by tubing selected and choice of ASME Standard.
  • -XF Ferrules are required for 3/4" and 1" 316 SS or 2507 Super Duplex Tubing.
  • M40HX44 Type "M" Male by X44 Male
    Unit of Measure
    Items M40HX44 Type "M" Male by X44 Male
    6-6 M40HX44-SS
    M40HX44 Type “M” Male by X44 Male
    M40HX44 Type "M" Male by X44 Male
    6-9 M40HX44-SS
    M40HX44 Type “M” Male by X44 Male
    M40HX44 Type "M" Male by X44 Male
    6-12 M40HX44-SS
    M40HX44 Type “M” Male by X44 Male
    M40HX44 Type "M" Male by X44 Male
    8-9 M40HX44-SS
    M40HX44 Type “M” Male by X44 Male
    M40HX44 Type "M" Male by X44 Male
    8-12 M40HX44-SS
    M40HX44 Type “M” Male by X44 Male
    Connection Type N/A Straight Thread to Straight Thread
    Hose Adapter N/A -6 N/A -6 N/A -6 N/A -8 N/A -8
    X44 Adapter N/A 3/8 N/A 9/16 N/A 3/4 N/A 9/16 N/A 3/4
    T1 "M" Thread N/A 9/16-18 UNF N/A 9/16-18 UNF N/A 9/16-18 UNF N/A 3/4-16 UNF N/A 3/4-16 UNF
    A N/A 1.77 in N/A 1.79 in N/A 2.06 in N/A 1.99 in N/A 2.18 in
    W Th'k N/A 11/16 in N/A 1 in N/A 1 1/4 in N/A 1 in N/A 1 1/4 in
    Working MAWP Pressure N/A 15000 psig