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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
T7HF MPI™ Tube Stub to Male NPT Pipe
Unit of Measure
1 2 

Item #

Connection Type

MPI™ Tube Stub

Male NPT End

A

B

NPT Thread

W HEX

Working MAWP Pressure

8-4 T7HF-2507 N/A Tube Stub to NPT N/A 1/2 N/A 1/4 N/A 2.82 in N/A .57 in N/A 1/4-18 N/A 5/8 in N/A 15000 psig
8-6 T7HF-2507 N/A Tube Stub to NPT N/A 1/2 N/A 3/8 N/A 2.95 in N/A .57 in N/A 3/8-18 N/A 3/4 in N/A 15000 psig
8-8 T7HF-2507 N/A Tube Stub to NPT N/A 1/2 N/A 1/2 N/A 3.26 in N/A .76 in N/A 1/2-14 N/A 7/8 in N/A 15000 psig
9-4 T7HF-2507 N/A Tube Stub to NPT N/A 9/16 N/A 1/4 N/A 2.88 in N/A .57 in N/A 1/4-18 N/A 5/8 in N/A 15000 psig
9-6 T7HF-2507 N/A Tube Stub to NPT N/A 9/16 N/A 3/8 N/A 3.01 in N/A .57 in N/A 3/8-18 N/A 3/4 in N/A 15000 psig
9-8 T7HF-2507 N/A Tube Stub to NPT N/A 9/16 N/A 1/2 N/A 3.32 in N/A .76 in N/A 1/2-14 N/A 7/8 in N/A 15000 psig
9-12 T7HF-2507 N/A Tube Stub to NPT N/A 9/16 N/A 3/4 N/A 3.43 in N/A .76 in N/A 3/4-14 N/A 1 1/8 in N/A 10000 psig
12-8 T7HF-2507 N/A Tube Stub to NPT N/A 3/4 N/A 1/2 N/A 3.67 in N/A .76 in N/A 1/2-14 N/A 7/8 in N/A 15000 psig
12-12 T7HF-2507 N/A Tube Stub to NPT N/A 3/4 N/A 3/4 N/A 3.80 in N/A .76 in N/A 3/4-14 N/A 1 1/8 in N/A 10000 psig
Unit of Measure
1 2