The K Series is a bronze body process control valve whose opening is adjusted by a diaphragm actuator. Body sizes are 1/2" to 2", and the actuator can be reversed in the field between air to open and air to close.
| Body Material | Cast bronze (ASTM B62) |
| Body Size | 1/2" / 3/4" / 1" / 1-1/4" / 1-1/2" / 2" |
| Max. Media Pressure | 250 psi (2": 230 psi) |
| Temperature Rating | -40 to 204 °C |
| Cv Value | 0.5 to 50 |
| Actuator Size | 37 / 64 / 135 |
| Stroke | 0.75" |
| Seat Leakage | Class IV |