667 Diaphragm Actuator Single Spring

667 Diaphragm Actuator Single Spring

Model TT-667 actuator is a reverse-acting, spring-opposed diaphragm actuator. The actuator positions the valve plug in response to varying pneumatic loading pressure on the actuator diaphragm. Please send us the parts number if you need to quote. [email protected]

Additional information

Size:

667-30, 667-34, 667-40, 667-45, 667-46, 667-50, 667-60, 667-70

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

 

Additional information

Size:

667-30, 667-34, 667-40, 667-45, 667-46, 667-50, 667-60, 667-70

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