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Rotork Products for Renewable Power Applications

Rotork Products for Water Industry Applications

Rotork Products for Wastewater Industry Applications

The Rotork Q range is comprised of Q Standard and Q Pak actuators; a simple and cost-effective way of controlling small quarter-turn valves and dampers. They are robust, dependable and compact part-turn actuators that provide flexibility and reliability. They are...

The Q Standard is a robust, dependable and compact part-turn actuator that provides the flexibility and reliability to suit a wide variety of applications. It is a simple and cost-effective way of controlling small quarter-turn valves and dampers. With the...

The Q Pak is a robust, dependable and compact part-turn actuator that provides the flexibility and reliability to suit a wide variety of applications. It is a simple and cost-effective way of controlling small quarter-turn valves and dampers. 3-phase and...

Product Brochures Q Range Control & Monitoring Facilities Q Range Installation & Maintenance Instructions Q Range Specification Q Range Electrical Data Q Range Paint Specification

Product Brochures Local Hand Station Flyer Manuals Local Hand Station Installation and Maintenance Manual Certification Local Hand Station ATEX Certificate Local Hand Station IECEx Certificate Local Hand Station PESO Certificate

In these uncertain times, we are guided by our Purpose: “Keeping the world flowing for future generations.” We would like to reassure you that we are doing everything we can to ensure the health and safety of our employees and...

Rotork's extensive line of pneumatic relays serves a multitude of control applications: positive biasing relays, positive and negative biasing relays, infinitely adjustable ratio relays, reversing relays, averaging and computing relays, high and low pressure selectors, and high and low pressure...

Rotork Biasing Relays

Rotork Reversing Relays

The Model 21 Adjustable Ratio pneumatic relay has a signal chamber lever arm, whereby the ratio of output pressure to signal pressure is infinitely adjustable. The adjustment range permits signal amplification of 1:30 or signal reduction of 30:1 by rotation...

The Model 22 Pneumatic Computing Relay is a highly versatile control valve designed to perform a number of specialized functions, including averaging, differential, inverting, and totalising. This high quality unit, which offers up to four inputs as well as positive...

The Model 24 Snap Acting Relay is a highly accurate differential relay with snap-acting switching. The output of the unit will go to supply pressure when the signal is equal to or greater than the setpoint. The signal pressure must...

Rotork Selector Relays

Designed for applications that require an output pressure that is the sum of a controlled input signal plus or minus a fixed bias, Fairchild's Model 14 Biasing Pneumatic Relay provides versatility in its ability to provide either positive or negative...

The Model 15 Positive Bias Relay is designed for applications that require an output pressure that is the sum of a controlled input signal plus a fixed bias. This pneumatic relay provides an output pressure that represents the input signal...

The Model 85D Multi-Stage Biasing Relay is a precision control combining the sensitivity of a precision pressure regulator with positive biasing capability. This compact, pilot-operated device offers unusually high output capacity with minimal air consumption, while providing excellent protection against...

The Model 1500 Positive Bias Relay is designed for applications that require an output pressure that is the sum of a controlled input signal plus a fixed bias. This pneumatic relay provides high output flow at an output pressure that...