Combining flow control and emergency shut-off operation in single assembly, Throttle Trip Valves can be manufactured with soft packing, hardened leak-off bushings, and various materials for critical applications. As throttle valves, units regulate flow of steam and gas in large, high-pressure pipe lines. When used as trip valves, they add measure of safety critical to these applications. Valves rapidly shut down flow when tripped manually or automatically to protect valuable equipment.
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