Flowzone Engineering Solution

Neles Easyflow™ rack and pinion actuator, series RNP

The Neles Easyflow RNP series of double-opposed piston rack and pinion actuators offer a distinctive range of features and options, while also providing the advantages of a durable build, a long cycle life, and a compact and well-balanced design. These actuators are optimized for the rapid and efficient control of rotary valves, such as ball and butterfly valves.


  • The product has a prolonged lifespan
  • It boasts a quick and responsive performance
  • The design is consistent across the entire range of products
  • The design has been tested and confirmed to be dependable


  • Utilizes a rack and pinion system with dual pistonsModular and lightweight design, with a small footprint
  • Offers a broad product range at an affordable cost
  • Designed for safety and easy maintenance
  • Holds a SIL 3 rating and is ATEX approved in compliance with Directive: 2014/34/EU
  • Can be easily converted from single acting to double acting
  • Well-suited for both on/off and general control applications


  • Suitable for applications in both the general process industry and factory automation
  • Designed for high-cycle life and capable of controlling on-off applications


Pneumatic quarter-turn double-opposed piston rack and pinion actuator
Double acting
Spring return
Max operating pressure:
8 bar
Torque range:
4 Nm to 5005 Nm
Temperature ranges:
General : -20 °C to +80 °CHigh : -20 °C to +125 °CArctic : -60 °C to + 80 °C
Protection class:
IP67M, IP68M
ATEX class:
ATEX 94/9/EC
Mounting face:
ISO 5211, VDI/VDE 3845


  • Technical Bulletin
  • Installation, maintenance and operating instructions brochure
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