Zero-Leak Manual Cartridge Valve


The manual cartridge Doering valve now includes extremely low and zero-leak options. The company’s zero-leak technology is integrated in the valve used for manual fire suppression in the International Space Station and was specifically engineered to hold pressure for 15 years.


The valves are ideal for use in equipment, such as an emergency stop valve on hydraulic systems for oilfield iron roughnecks and industrial instrumentation systems that test product to one-eighth of a drop of water. Doering valves are also used in food industry test systems that measure carbon dioxide and nitrogen in the parts per billion.


To provide performance in these and other systems, Doering’s manual cartridge valves are equipped with a latching feature that holds the valve in its activated position. All Doering valves can be manufactured from corrosion-resistant 316 stainless steel. The manual cartridge valves are available in poppet or spool models. An array of seals is offered for different fluids or gases. Choose from several knob configurations, including a red emergency stop knob.

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