Recommended Torque (ID=114)

Tubing Connections

Connection Recommended Torque
AF1 55 inch pounds
AF2 10 foot pounds initial to compress sleeve onto tube
25 foot pounds to tighten connection
AF4 30 foot pounds initial to compress sleeve onto tube
50 foot pounds to tighten connection
AF6 40 foot pounds initial to compress sleeve onto tube
60 foot pounds to tighten connection
LF4 20 foot pounds
LF6 30 foot pounds
LF9 50 foot pounds
LF12 90 foot pounds
LF16 125 foot pounds
HF2 75 inch pounds
HF4 25 foot pounds
HF6 50 foot pounds
HF9 110 foot pounds
HF16 150 foot pounds
XF4 45 foot pounds
XF6 70 foot pounds

Minimum Packing Gland Torque for Valves

Valve Series Pressure Rating Packing Gland Torque
15-**AF1
15-**AF2
15,000 psi 15 foot pounds
10-**AF4
10-**AF6
10,000 psi 30 foot pounds
10-**NFA
10-**NFB
10-**NFC
10,000 psi 35 foot pounds
10-**NFD 10,000 psi 50 foot pounds
20-**LF4
20-**LF6
20,000 psi 35 foot pounds
20-**LF9 20,000 psi 70 foot pounds
30-**HF2
30-**HF4
30-**HF6
30-**HF9
30,000 psi 30 foot pounds
60-**HF2
60-**HF4
60-**HF6
60-**HF9
60,000 psi 40 foot pounds
100-**XF4 100,000 psi 60 foot pounds
150-**XF6 150,000 psi 90 foot pounds
 

Minimum Safety Head Hold Down Nut Torque

Pressure psi Torque foot pounds
10,000 40
15,000 45
20,000 50
25,000 55
30,000 60
35,000 65
40,000 70
45,000 75
50,000 80
55,000 85
60,000 90

Minimum Recommended Bend Radius For High Pressure Tubing

Tube Size
O.D. x I.D.
Minimum Brend Radius
0.250 x 0.062
0.250 x 0.083
0.250 x 0.109
0.250 x 0.125
1.25 in
0.375 x 0.062
0.375 x 0.125
0.375 x 0.203
0.375 x 0.250
1.75 in
0.562 x 0.188
0.562 x 0.250
0.562 x 0.312
2.62 in
0.750 x 0.438
0.750 x 0.516
3.50 in
1" x 0.438
1" x 0.562
1" x 0.688
4.62 in
 

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