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Girard Equipment, Inc. · Hardware & Fasteners
403006S
In stock · ships from Knoxville
This is a conical spring used inside Girard’s DOT 407 Magnetic Vacuum Breaker, a pressure/vacuum relief valve installed on tank trailers.
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It helps control the poppet that opens when vacuum exceeds 4 inches of mercury, allowing air into the tank to prevent collapse. You replace this spring during routine rebuilds of the vacuum breaker, or whenever the valve does not open correctly at the designed vacuum setpoint.
Part Number: 403006S
SPRING FOR 407 MAG VAC BREAK
Unit: ea
Dealer: Post Onsite
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