Model D

Model D

The Model D is an inline body safety pressure relief valve that holds a bubble-tight, closed position until pressure reaches an exact set point. At set point, the valve instantly opens to relieve pressure from a protected system.

Model D

Set Pressure: 15-2,000 Psi
Accuracy: + / – 5%
Connections: Custom and standard available.
Seals: Available for high & low temperatures, viton standard.
Standard Materials: Body mild steel with stainless steel trim, other materials optional.

Product Feature

The pin is located outside the valve and is the heart of the operation, acting as the sensor and actuator. Once buckled, one person in under a minute can reset the pin in place without breaking the line.


The Model D valve provides safety for a variety of pressure relief applications including but not limited to: Oil and Gas Production, Pipeline, Well Drilling, Chemical Processing, Food Processing, Waste Water Processing, Pharmaceutical Processing, Pulp and Paper Plants, and anywhere that conventional relief valves and rupture discs are used.

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