The 121 Series is a normally closed 2/2-way direct acting solenoid valve that stays closed when the coil is de-energized. It is used for water, compressed air and oil, with an FKM seat.
| Working Fluid | Water, compressed air, oil (CST 50 or less) |
| Operating Temperature | -10℃ ~ 50℃ |
| Response Time | On 15ms, Off 15ms |
| Seat Material | FKM |
| Body Material | WV121S: brass (standard) or 303 stainless steel / 121KB: brass / 121VV: stainless steel |