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Parker CPI™/A-LOK® Instrumentation Tube Fittings are designed as leak-free connections for process, power and instrumentation applications. The CPI tube fittings utilize a single ferrule for easy make-up and excellent performance in vibration applications. The “spring loaded” effect of the single ferrule creates a constant tension between the fitting body and fitting nut. The A-LOK two ferrule compression tube fittings are designed to provide reliable leak-free connections for applications thatmore
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Item #

Connection Type

T1 Tube O.D.

T2 Tube O.D.

T3 Tube O.D.

A

L1

C1

L2

C2

L3

C3

W HEX

N/A A-LOK® x A-LOK® x A-LOK® N/A 3/4 in N/A 3/8 in N/A 3/8 in N/A 3.01 in N/A 1.16 in N/A 1.56 in N/A 1.16 in N/A 1.45 in N/A 1.16 in N/A 1.45 in N/A 1 1/16 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 3/4 in N/A 5/8 in N/A 1/2 in N/A 3.12 in N/A 1.16 in N/A 1.56 in N/A 1.16 in N/A 1.56 in N/A 1.16 in N/A 1.56 in N/A 1 1/16 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 3/4 in N/A 5/8 in N/A 3/8 in N/A 3.12 in N/A 1.16 in N/A 1.56 in N/A 1.16 in N/A 1.56 in N/A 1.16 in N/A 1.45 in N/A 1 1/16 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 3/4 in N/A 1/2 in N/A 3/8 in N/A 3.12 in N/A 1.16 in N/A 1.56 in N/A 1.16 in N/A 1.56 in N/A 1.16 in N/A 1.45 in N/A 1 1/16 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 7/8 in N/A 7/8 in N/A 3/8 in N/A 3.52 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.65 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 7/8 in N/A 7/8 in N/A 1/4 in N/A 3.52 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1.30 in N/A 1.59 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 7/8 in N/A 3/4 in N/A 3/4 in N/A 3.52 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 7/8 in N/A 3/4 in N/A 1/2 in N/A 3.52 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 7/8 in N/A 3/4 in N/A 3/8 in N/A 3.52 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.65 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 7/8 in N/A 5/8 in N/A 3/8 in N/A 3.52 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.65 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 7/8 in N/A 1/2 in N/A 3/4 in N/A 3.52 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 1 in N/A 3/4 in N/A 3.88 in N/A 1.45 in N/A 1.94 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.76 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 1 in N/A 5/8 in N/A 3.88 in N/A 1.45 in N/A 1.94 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.76 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 1 in N/A 1/2 in N/A 3.88 in N/A 1.45 in N/A 1.94 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.76 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 1 in N/A 3/8 in N/A 3.88 in N/A 1.45 in N/A 1.94 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.65 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 1 in N/A 1/4 in N/A 3.88 in N/A 1.45 in N/A 1.94 in N/A 1.45 in N/A 1.94 in N/A 1.30 in N/A 1.59 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 3/4 in N/A 1 in N/A 3.70 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.76 in N/A 1.45 in N/A 1.94 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 7/8 in N/A 7/8 in N/A 3.70 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 7/8 in N/A 3/4 in N/A 3.70 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 7/8 in N/A 1/2 in N/A 3.70 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 7/8 in N/A 3/8 in N/A 3.70 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.65 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 7/8 in N/A 1/4 in N/A 3.70 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.76 in N/A 1.30 in N/A 1.59 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 1 in N/A 7/8 in N/A 3.88 in N/A 1.45 in N/A 1.94 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.76 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 3/4 in N/A 5/8 in N/A 3.70 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1 3/8 in
N/A A-LOK® x A-LOK® x A-LOK® N/A 1 in N/A 3/4 in N/A 1/2 in N/A 3.70 in N/A 1.45 in N/A 1.94 in N/A 1.36 in N/A 1.76 in N/A 1.36 in N/A 1.76 in N/A 1 3/8 in
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