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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 handlemore
Unit of Measure

Dimensions

Connection Type

 MPI™ to FNPT

MPI™ Male Thread

 3/8

Female NPT End

 1/2

A

 2.17 in

B

 1.17 in

NPT Thread

 1/2 - 14

W Hex

 1 3/8 in

Working MAWP Pressure

 15000 psig

Specifications

Features

 Every MPI™ Fitting has the features shown below:
  1. Front ferrule with corrosion-resistant Parker Suparcase® forms a seal between the tube, body and ferrule. It also provides a mechanical hold on the tube.
  2. Back ferrule with corrosion-resistant Parker Suparcase® provides a strong mechanical hold on the tube.
  3. Longer thread area for improved resistance to pressure and load on the ferrules.
  4. Molybdenum disulfide-coated inverted nut helps prevent galling, provides easier assembly, and permits multiple remakes.
  5. Long tube-support area improves resistance to vibration and line loads.

Materials and Identification

 Standard MPI™ Fittings and Valves are made of Heat Code Traceable 316 SS or optional 2507 Super Duplex materials. Tubing and fitting materials should be selected based on compatibility with the fluid or gas media.

Part numbers for MPI™ Fittings use symbols that identify their style, size, and composition. 2507 material is easily identified by a groove in the gland nut hex.

Engineering Standards Used

 Parker Hannifin has designed all fittings and valves using the following ASME Standards and associated Safety Factors:

ASME B31.1 Power Piping
ASME B31.3 Process Piping

Assembly

 MPI™ Fittings are assembled with standard hand tools up to 3/4" size. 1-1/2 turns past finger tight is all that is needed, 3/4 and 1 inch 316 SS tubing and 3/4 and 1 inch 2507 Tubing must be hydraulically preset. Note: All sizes can be hydraulically preset using the Parker Preset Tooling.

Dedication to Quality

 Our resources and vast product line are available through our worldwide distribution network. For more information regarding our products and services, please contact your authorized Parker Instrumentation Distributor.