NAP11 is a universal air operated 3-port valve. It has an external pilot balance poppet structure for compressed air and low vacuum, with Rc3/8 to Rc2 ports. The pilot port (X) is Rc1/8.
| Working Fluid | Compressed air, low vacuum |
| Valve Structure | External pilot balance poppet, 3-port, universal |
| Working Pressure | 0 to 0.8 MPa (1.3×10² to 8×10⁵ Pa (abs) when used in vacuum) |
| Proof Pressure | 1.2 MPa |
| Fluid Temperature | 5 to 60 °C |
| Ambient Temperature | -5 to 60 °C |
| Pilot Fluid / Pressure | Air / 0.35 to 0.7 MPa |
| Pilot Port Size | Rc1/8 (port X) |
| Lubrication | No lubrication (use turbine oil Class 1 ISO VG32 for lubrication) |
| Valve Seat Leakage | 1 cm³/min or less (at pneumatic pressure 0.02 to 0.8 MPa) |
| Port Size | Rc3/8, Rc1/2, Rc3/4, Rc1, Rc1 1/4, Rc1 1/2, Rc2 (10A to 50A) |
| Equivalent Orifice Size | ø14.8 (10A, 15A), ø25.4 (20A, 25A), ø41.4 (32A to 50A) |
| Cv (P to A) | 3.4 (10A), 3.6 (15A), 8.4 (20A), 8.6 (25A), 25.8 (32A), 27.0 (40A), 28.2 (50A) |
| Response Time | 30 ms or less (10A, 15A), 60 ms or less (20A, 25A), 120 ms or less (32A to 50A) (depends on pressure and lubricant quality) |
| Mounting Orientation | Unrestricted |