INSTALLATION AND MAINTENANCE INSTRUCTIONS

2 Class 300 25-Series Pressure Regulator4. Install a small gate valve in the sensing line so that this can be closed when servicing the The sensing line must be pitched downward from the-main valve to insure proper To permit accurate setting of the pressure regulator, a pressure gauge should be installed as close as pos-sible to the pilot sensing line A bypass connection, as shown in Figs. 1, 2 and 3 is recommended so that the valve can be serviced with-out shutting down the The bypass valve should be the same size as the pressure Line Drain Trap1. To insure proper operation of the valve and avoid premature wear, it is recommended that a 1/2 Spirax Sarco thermodynamic steam trap be installed on the steam supply line. (See Figs. 1, 2 and 3.)

2” Class 300 25-Series Pressure Regulator 4. Install a small gate valve in the sensing line so that this can be closed when servicing the regulator.

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