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Powers 595 Series 11 Self-Operating Temperature Regulators - Type ST Stainless Trim User Manual

Page 4

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Caution:

Do not exceed maximum pressure differentials for given valve sizes. The maximum differential is the pressure the valve has agai

nst it at shutoff. Too large a differential

can cause valve chatter and/or prevent shutoff.

St

eam Capacities

Use a pressure drop of 50% of absolute inlet pressure (gauge pressure + 15 psi) for steam applications.