Page 333 - Valve Selection Handbook

308 Valve Selection Handbook

Second Moment of Area

mm 4 cm 4 in 4 ft 4 m 4
1 10- 4 2.4025 x 10- 6 1.159x10- 10 10 -12
10000 1 0.024025 1.159x10- 6 10- 8
416231 41.623 1 4.8225 x 10- 5 4.1623x10- 7
8.631 x 10 9 863097 20736 1 8.6310x10- 3
10 12 10 8 2.4025 x 10 6 115.86 1

Force
pdl N lbf * kgf kN

1 0.1383 0.0311 0.0141 1.383X10- 4
7.233 1 0.2248 0.1020 10- 3
32.174 4.448 1 0.4536 4.448 x 10- 3
70.93 9.807 2.2046 1 9.807 x 10- 3
7233 1000 224.8 102.0 1
72070 9964 2240 1016 9.964
*The kgf is sometimes known as the kilopond (kp)

Moment of Force (Torque)
pdl ft lbf in Nm lbf ft kgf m

1 0.3730 0.04214 0.03108 4.297 x 10- 3
2.681 1 0.1130 0.08333 0.01152
23.73 8.851 1 0.7376 0.1020
32.17 12 1.356 1 0.1383
232.7 86.80 9.807 7.233 1
6006 2240 253.1 186.7 25.81
72070 26880 3037 2240 309.7
7
One Nm - 10 dyn cm