NPT Threads and Working Pressure and Torque and Actual Measurement
4 to 1 Minimum Burst Pressure
(-01) 1/16"-27 (5000psi) 12 ft lbs (.300 actual measurement)
(-02) 1/8"-27 (5000psi) 12 ft lbs (.398 actual measurement)
(-04) 1/4"-18 (5000psi) 25 ft lbs (.538 actual measurement)
(-06) 3/8" -18 (4000psi) 40 ft lbs (.672 actual measurement)
(-08) 1/2" -14 ( 3000psi) 54 ft lbs (.827 actual measurement)
(-12) 3/4"-14 (2500psi) 78 ft lbs (1.049 actual measurement)
(-16) 1"-11 1/2 (2000psi) 112 ft lbs (1.313 actual measurement)
(-20) 1 1/4" -11 1/2 (1150psi) 154 ft lbs (1.660 actual measure.)
(-24) 1 1/2" -11 1/2 (1000psi) 211 ft lbs (1.885 actual measure.)
