Williams

The pneumatic relay is a pilot operated valve designed to provide the higher air or gas flow rates necessary for pneumatic drive cylinder diameters greater than 3 inches. Read more...

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Williams

The PO3-6S relay has one poppet valve that connects the supply air/gas to the pump and blocks the exhaust when the controller applies air/gas pressure to the relay piston. Read more...

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Williams

The PO4-6S relay, used on pumps that do not have a motor return spring, drives the air piston both up and down with the air/gas pressure. This relay has two poppet valves. Read more...

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ControlAir Inc.

ControlAir's Type-6500 Aluminum and Type-6600 Stainless Steel Large Flow Capacity Volume Boosters were awarded a Certificate of Compliance to IEC 61508 for a SIL 3 safety rating. The Volume Boosters were evaluated by a qualified third party certification agency, Factory Mutual, which assessed and certified that the units had been designed and developed in accordance with the IEC 61508 st... Read more...

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ControlAir Inc.

The Type-6500 and Type-6600 Large Flow Volume Boosters are ideal for any application that requires high flow capacity or remote pressure control. Typically they are used to increase throttling speed of large volume control valve actuators. Read more...

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