Type YT-1000R+L/S 410A (external) Electro-pneumatic valve positioner is used for operation of pneumatic rotary valve actuators by means of electrical controller or control system with an analog output signal of DC 4 to 20 mA or split Ranges.

Type YT-1000R+PTM+L/S 410B (external) Electro-pneumatic valve positioner is used for operation of pneumatic rotary valve actuators by means of electrical controller or control system with an analog output signal of DC 4 to 20 mA or split Ranges.

Type YT-1200L Pneumatic-pneumatic positioner​ is used for pneumatic linear valve actuators by means of pneumatic controller or control systems with an output signal of 3 to 5psi or split rages.

Type YT-1200R Pneumatic-pneumatic positioner is used for pneumatic rotary valve actuators by means of pneumatic controller or control systems with an output signal of 3 to 5psi or split rages.

Type B4 series(B424B) pressure switch is designed for use in virtually all industrial and OEM applications. Providing reliability and long-cycle life, it is ideal for satisfying requirements for pressure control, shutdown or alarm operations. Special designs are available to meet NACE and Fire-safe applications.

This Limit switch is the accessory of the electro pneumatic valve positioner,model has 210,310,410A,410B,510 etc.

This Pilot valve is the necessary spare parts of the Electro-Pneumatic Valve Positioner.