English (UK) 
Specifications
| Model | PASSAGE | PASSAGE SIZE | THRU BORE | OVERALL DIAMETER | OVERALL LENGTH | Drawing |
|---|---|---|---|---|---|---|
| GP-120 | 2 | 1/8” | - | 2.437 | 3.347 |  |
| GP-121 | 2 | 1/8” | 0.500 | 2.937 | 3.637 | |
| GP-220 | 2 | 1/4” | - | 2.937 | 4.374 | |
| GP-221 | 2 | 1/4” | 0.750 | 3.750 | 4.773 | |
| GP-320 | 2 | 3/8” | - | 3.187 | 4.706 | |
| GP-321 | 2 | 3/8” | 0.750 | 4.187 | 5.312 | |
| GP-420 | 2 | 1/2” | - | 3.875 | 5.392 | |
| GP-421 | 2 | 1/2” | 0.750 | 4.937 | 6.220 | |