Description
Our Model TT-667 diaphragm actuator with a single spring is 100% to replace Fisher 667 actuators, which are designed to ensure stable on/off or throttling operation of the control valve. These spring-balanced membrane actuators respond to the pneumatic output signal of the controller or valve positioner to determine the position of the valve plug. 667 diaphragm actuator is a reverse-acting.
Specifications:
- Acting type: spring return, linear
- Control type: on/off, throttling
- Working temperature: low temperature, standard temperature, high temperature
- Power supply: pneumatic, manual
- Valve type: angle, globe
- Sizes for 667 models: 667-30, 667-34, 667-40, 667-45, 667-46, 667-50, 667-60, 667-70
- The diaphragm size of the actuator: 30, 34-40, 45-50, 46-60, 70
Instock
| Actuator Size | QTY |
| Actuator #667 – size 30 | 70 |
| Actuator #667 – size 34 | 22 |
| Actuator #667 – size 40 | 18 |
| Actuator #667 – size 45 | 29 |
| Actuator #667 – size 46 | 26 |
| Actuator #667 – size 50 | 12 |
| Actuator #667 – size 60 | 15 |
| Actuator #667 – size 70 | 10 |
Replacement Diaphragm Part
| 667 Actuator size | Part # | Part # | |
| 30 | 2E800002202 | 18B2713X012 | |
| 34 or 40 | 2E669902202 | 18B2713X022 | |
| 45 or 50 | 2E859602202 | 18B2713X032 | |
| 46 or 60 | 2E859802202 | 18B2713X042 | |
| 70 or 87 | 2N130902202 | 18B2713X052 |
