M u e l l e r S t e am Introduces Pump-Protection V a l v e

—Free Literature O f f e r ed Mueller Steam Specialty, a division of Core Industries, Inc., has introduced the Model 721 valve, designed for installation in pump discharge piping where it functions silently and automatically as a spring-loaded check valve, balancing valve and shut-off valve.

Line pressure of approximately Vi psi will lift the disc off its seat. The acme threaded valve stem can be adjusted to whatever disc position is desired depending on flow requirements— from a bubble tight shut-off to full flow.

The yoke and valve stem threading are unwetted parts so they cannot be corroded or eroded by the line fluid, a feature unique to the Mueller Steam Specialty Model 721 valve. Field servicing can be done without special tools; even the packing can be replaced under full-line pressure.

The Mueller Steam Specialty Model 721 valve is available in cast iron, bronze, carbon steel, or stainless steel, and in other materials for special and unusual applications.

For additional information and free detailed literature on the new valve from Mueller Steam Specialty, C i r c l e 1 9 on Reader Service Card

Maritime Reporter Magazine, page 89,  Apr 1986 RAM

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Maritime Reporter

First published in 1881 Maritime Reporter is the world's largest audited circulation publication serving the global maritime industry.