| Model | Flow Rate GPM | Port size |
| NVI O2 | 5 | 1/4-NPT |
| NVI O3 | 8 | 3/8-NPT |
| NVI O4 | 15 | 1/2-NPT |
| NVI O6 | 25 | 3/4-NPT |
International Fluid Power of America
Your reliable, independent source of product supply
| Model | Flow Rate GPM | Port size |
| NVI O2 | 5 | 1/4-NPT |
| NVI O3 | 8 | 3/8-NPT |
| NVI O4 | 15 | 1/2-NPT |
| NVI O6 | 25 | 3/4-NPT |