190 HyPrecision Predictive waterjet pump Operator Manual 810120
8 – Pump specifications
Pump specifications
Hydraulic fittings
NPT
Hypertherm recommends thread sealant for all NPT fittings.
This table shows maximum values. The torque necessary to make a sufficient seal depends on the condition
of the pipe threads and can be much lower than the maximum.
Size
(inch)
Maximum torque value
Standard
with thread sealant
(75% of standard maximum)
for a male tapered pipe
thread with a female straight
or parallel pipe thread
(50% of standard maximum)
N∙m lbf ∙ ft N∙m lbf ∙ ft N∙m lbf ∙ ft
1/4 34 25 26 19 18 13
3/8 47 35 35 26 24 18
1/2 61 45 46 34 31 23
3/4 75 55 56 41 38 28
1 88 65 66 49 45 33
1-1/4 1088081605440
1-1/2 129 95 96 71 65 48