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The Hoffman 401446 is a vacuum breaker designed for use in closed vessels and piping systems. This device helps control induced vacuum and maintains pressure within safe limits. The adjustable vacuum setting ranges from one-fourth inch to twenty inches of mercury, with a factory preset at two inches of mercury. It has a three-fourths inch NPT straight shank, suitable for various piping configurations.
This vacuum breaker is essential for applications in steam systems. It provides reliable performance under high temperatures and pressures.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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