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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
GM7 MPI™ Male End to Female NPT
Unit of Measure
1 2 

Item #

Connection Type

MPI™ Male Thread

Female NPT End

A

B

NPT Thread

W Hex

Working MAWP Pressure

4-4 GM7-SS N/A MPI™ to FNPT N/A 1/4 N/A 1/4 N/A 1.73 in N/A .85 in N/A 1/4 - 18 N/A 1 in N/A 15000 psig
4-6 GM7-SS N/A MPI™ to FNPT N/A 1/4 N/A 3/8 N/A 1.83 in N/A .95 in N/A 3/8 - 18 N/A 1 1/8 in N/A 15000 psig
6-4 GM7-SS N/A MPI™ to FNPT N/A 3/8 N/A 1/4 N/A 1.84 in N/A .85 in N/A 1/4 - 18 N/A 1 in N/A 15000 psig
6-6 GM7-SS N/A MPI™ to FNPT N/A 3/8 N/A 3/8 N/A 1.94 in N/A .95 in N/A 3/8 - 18 N/A 1 1/8 in N/A 15000 psig
6-8 GM7-SS N/A MPI™ to FNPT N/A 3/8 N/A 1/2 N/A 2.17 in N/A 1.17 in N/A 1/2 - 14 N/A 1 3/8 in N/A 15000 psig
8-4 GM7-SS N/A MPI™ to FNPT N/A 1/2 N/A 1/4 N/A 2.05 in N/A .85 in N/A 1/4 - 18 N/A 1 in N/A 15000 psig
8-6 GM7-SS N/A MPI™ to FNPT N/A 1/2 N/A 3/8 N/A 2.15 in N/A .95 in N/A 3/8 - 18 N/A 1 1/8 in N/A 15000 psig
8-8 GM7-SS N/A MPI™ to FNPT N/A 1/2 N/A 1/2 N/A 2.37 in N/A 1.17 in N/A 1/2 - 14 N/A 1 3/8 in N/A 15000 psig
9-4 GM7-SS N/A MPI™ to FNPT N/A 9/16 N/A 1/4 N/A 2.05 in N/A .85 in N/A 1/4 - 18 N/A 1 in N/A 15000 psig
9-6 GM7-SS N/A MPI™ to FNPT N/A 9/16 N/A 3/8 N/A 2.15 in N/A .95 in N/A 3/8 - 18 N/A 1 1/8 in N/A 15000 psig
9-8 GM7-SS N/A MPI™ to FNPT N/A 9/16 N/A 1/2 N/A 2.37 in N/A 1.17 in N/A 1/2 - 14 N/A 1 3/8 in N/A 15000 psig
12-4 GM7-SS N/A MPI™ to FNPT N/A 3/4 N/A 1/4 N/A 2.17 in N/A .75 in N/A 1/4 - 18 N/A 1 1/4 in N/A 15000 psig
12-6 GM7-SS N/A MPI™ to FNPT N/A 3/4 N/A 3/8 N/A 2.17 in N/A .75 in N/A 3/8 - 18 N/A 1 1/4 in N/A 15000 psig
12-8 GM7-SS N/A MPI™ to FNPT N/A 3/4 N/A 1/2 N/A 2.59 in N/A 1.17 in N/A 1/2 - 14 N/A 1 3/8 in N/A 15000 psig
4-4 GM7-2507 N/A MPI™ to FNPT N/A 1/4 N/A 1/4 N/A 1.73 in N/A .85 in N/A 1/4 - 18 N/A 1 in N/A 15000 psig
4-6 GM7-2507 N/A MPI™ to FNPT N/A 1/4 N/A 3/8 N/A 1.83 in N/A .95 in N/A 3/8 - 18 N/A 1 1/8 in N/A 15000 psig
6-4 GM7-2507 N/A MPI™ to FNPT N/A 3/8 N/A 1/4 N/A 1.84 in N/A .85 in N/A 1/4 - 18 N/A 1 in N/A 15000 psig
6-6 GM7-2507 N/A MPI™ to FNPT N/A 3/8 N/A 3/8 N/A 1.94 in N/A .95 in N/A 3/8 - 18 N/A 1 1/8 in N/A 15000 psig
6-8 GM7-2507 N/A MPI™ to FNPT N/A 3/8 N/A 1/2 N/A 2.17 in N/A 1.17 in N/A 1/2 - 14 N/A 1 3/8 in N/A 15000 psig
8-4 GM7-2507 N/A MPI™ to FNPT N/A 1/2 N/A 1/4 N/A 2.05 in N/A .85 in N/A 1/4 - 18 N/A 1 in N/A 15000 psig
8-6 GM7-2507 N/A MPI™ to FNPT N/A 1/2 N/A 3/8 N/A 2.15 in N/A .95 in N/A 3/8 - 18 N/A 1 1/8 in N/A 15000 psig
8-8 GM7-2507 N/A MPI™ to FNPT N/A 1/2 N/A 1/2 N/A 2.37 in N/A 1.17 in N/A 1/2 - 14 N/A 1 3/8 in N/A 15000 psig
9-4 GM7-2507 N/A MPI™ to FNPT N/A 9/16 N/A 1/4 N/A 2.05 in N/A .85 in N/A 1/4 - 18 N/A 1 in N/A 15000 psig
9-6 GM7-2507 N/A MPI™ to FNPT N/A 9/16 N/A 3/8 N/A 2.15 in N/A .95 in N/A 3/8 - 18 N/A 1 1/8 in N/A 15000 psig
9-8 GM7-2507 N/A MPI™ to FNPT N/A 9/16 N/A 1/2 N/A 2.37 in N/A 1.17 in N/A 1/2 - 14 N/A 1 3/8 in N/A 15000 psig
Unit of Measure
1 2