Pneumatic diaphragm quarter turn actuatorRP99

Single-acting rotary diaphragm spring actuator.

Actuator function

• direct – the spring opens without air pressure
• indirect – the spring closes without air pressure

Type of actuator

• single-acting pneumatic diaphragm actuator

Working angle of rotation

• 0° – 25°
• 0° – 40°
• 0° – 60°
• 0° – 90°

Diaphragm working area [cm²]

• 120 ( 99/I)
• 240 (99/II)
• 780 ( 99/III)

Spring range [kPa]

• 80 – 160
• 100 – 200
• 160 – 320

Maximum supply pressure [kPa]

• 450

Working temperature range

• -30 °C to +80 °C – standard

Manual control

• side handwheel

Optional accessories:

• pneumatic positioner
• electro pneumatic positioner
• position transmitter
• limit switches
• 3/2 – way control valve
• supply pressure reducing unit filter
• lock-up valve
• pneumatic booster