Material = High quality low carbon steel precision machined and rated for high pressure hydraulic applications
Finish = Zinc plated
Fitting thread sizes and pressure ratings can be found on the charts in the pictures.
NPT Thread Size Chart
| NPT THREAD SIZE & PITCH |
DASH SIZE |
MALE THREAD MINOR OD |
FEMALE THREAD ID |
||
| inch – TPI | mm | inch | mm | inch | |
| 1/8 – 27 | -02 | 9,9 | 0.39 | 8,4 | 0.33 |
| 1/4 – 18 | -04 | 13,2 | 0.52 | 11,2 | 0.44 |
| 3/8 – 18 | -06 | 16,6 | 0.65 | 14,7 | 0.58 |
| 1/2 – 14 | -08 | 20,6 | 0.81 | 17,8 | 0.70 |
| 3/4 – 14 | -12 | 26,0 | 1.02 | 23,4 | 0.92 |
| 1 – 11.1/2 | -16 | 32,5 | 1.28 | 29,5 | 1.16 |
| 1.1/4 – 11.1/2 | -20 | 41,2 | 1.62 | 38,1 | 1.50 |
| 1.1/2 – 11.1/2 | -24 | 47,3 | 1.86 | 43,9 | 1.73 |
| 2 – 11.1/2 | -32 | 59,3 | 2.33 | 56,4 | 2.22 |
| 2.1/2 – 8 | -40 | 71,5 | 2.82 | 69,1 | 2.72 |
| 3 – 8 | -48 | 87,3 | 3.44 | 84,8 | 3.34 |
ORFS Thread Size Chart
| MALE THREAD OD & PITCH |
DASH SIZE |
MALE THREAD OD |
FEMALE THREAD ID |
TUBE SIZE |
||
| inch – TPI | mm | inch | mm | inch | inch | |
| 9/16 – 18 UNF | -09 | 14,3 | 0.56 | 12,9 | 0.51 | 1/4 |
| 11/16 – 16 UN | -11 | 17,3 | 0.68 | 16,0 | 0.63 | 3/8 |
| 13/16 – 16 UN | -13 | 20,6 | 0.81 | 19,1 | 0.75 | 1/2 |
| 1 – 14 UNS | -16 | 25,4 | 1.00 | 23,6 | 0.73 | 5/8 |
| 1.3/16 – 12 UN | -19 | 30,0 | 1.18 | 28,2 | 1.11 | 3/4 |
| 1.7/16 – 12 UN | -23 | 36,3 | 1.43 | 34,3 | 1.35 | 1 |
| 1.11/16 – 12 UN | -27 | 42,7 | 1.68 | 40,6 | 1.60 | 1.1/4 |
| 2 – 12 UN | -32 | 51,8 | 2.00 | 48,8 | 1.92 | 1.1/2 |
If you’re unsure about the exact size you need, feel free to contact us—we’re here to help you make the right selection.
WARNING – IMPROPER USE OR SELECTION OF THE PRODUCTS/EQUIPMENT OR SYSTEMS DESCRIBED CAN CAUSE PERSONAL INJURY, DEATH AND/OR PROPERTY DAMAGE. SAFETY PROCEDURES MUST BE APPLIED PRIOR TO INSTALLATION, COMMISIONING AND/OR OPERATION OF EQUIPMENT AND MACHINERY.



