Conversion sizes
|
Inches | mm. | Inches | mm. | Inches | mm. | Inches | mm. | Inches | mm. |
---|
- | - | 1 | 25,4 | 2 | 50,8 | 3 | 76,2 | 4 | 101,6 |
---|
1/8 | 3,2 | 1 1/8 | 28,6 | 2 1/8 | 54,0 | 3 1/8 | 79,4 | 4 1/8 | 104,8 |
---|
1/4 | 6,4 | 1 1/4 | 31,8 | 2 1/4 | 57,2 | 3 1/4 | 82,6 | 4 1/4 | 108,8 |
---|
3/8 | 9,5 | 1 3/8 | 34,9 | 2 3/8 | 60,3 | 3 3/8 | 85,7 | 4 3/8 | 111,1 |
---|
1/2 | 12,7 | 1 1/2 | 38,1 | 2 1/2 | 63,5 | 3 1/2 | 88,9 | 4 1/2 | 114,3 |
---|
5/8 | 15,9 | 1 5/8 | 41,3 | 2 5/8 | 66,7 | 3 5/8 | 92,1 | 4 5/8 | 117,5 |
---|
3/4 | 19,0 | 1 3/4 | 44,4 | 2 3/4 | 69,8 | 3 3/4 | 95,2 | 4 3/4 | 120,6 |
---|
7/8 | 22,2 | 1 7/8 | 47,6 | 2 7/8 | 73,0 | 3 7/8 | 98,4 | 4 7/8 | 123,8 |
---|
Energy units | Pressure units |
1 J = 0.24 cal |
1 Pa = 1 N / m * m |
1 kJ = 0.28 W * h |
1 Pa = 0.102 kgf / m * m |
1 W = 1 J / s | 1 atm =0,101 mPa =1,013 bar |
1 cal = 4.2 J |
1 bar = 100 kPa = 0.987 atm |
1 kcal / h = 1.163 W
1 kW ? 3412 BTU / h
1000 BTU / h ? 293 W
|
1 PSI = 0.06895 bar = 0.06805 atm |
Parameters inch threads
Outer diameter of the pipe to be connected | Thread SAE | Thread UNF | Outer thread diameter, mm | Average thread diameter, mm | Thread pitch | mm | inch | mm | Thread / inch | 6 | 1/4'''' | 1/4'''' | 7/16''''-20 | 11,079 | 9,738 | 1,27 | 20 | 8 | 5/16'''' | 5/16'''' | 5/8''''-18 | 15,839 | 14,348 | 1,411 | 18 | 10 | 3/8'''' | 3/8'''' | 5/8''''-18 | 15,839 | 14,348 | 1,411 | 18 | 12 | 1/2'''' | 1/2'''' | 3/4''''-16 | 19,012 | 17,33 | 1,588 | 16 | 16 | 5/8'''' | 5/8'''' | 7/8''''-14 | 22,184 | 20,262 | 1,814 | 14 | 18 | 3/4'''' | 3/4'''' | 1''''-14 | 25,357 | 23,437 | 1,814 | 14 | 18 | 3/4'''' | --- | 1''''1/16-14 | 26,947 | 25,024 | 1,814 | 14 | 20 | 7/8'''' | --- | 1''''1/8-12 | 28,529 | 26,284 | 2,117 | 12 | 22 | 7/8'''' | 7/8'''' | 1''''1/4-12 | 31,704 | 29,459 | 2,117 | 12 | 22 | 7/8'''' | --- | 1''''3/8-12 | 34,877 | 32,634 | 2,117 | 12 | 25 | 1'''' | 1'''' | 1''''1/2-12 | 38,052 | 35,809 | 2,117 | 12 |
|
|
|