H.O. Trerice Co.
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HO-Trerice - Model 921 Series -Pressure Regulator
FromH.O. Trerice Co.
The Trerice 921 Series Pressure Regulator is fully self-contained and requires no external power source. This regulator requires thai a user-supplied pressure sensing line be connected from the controlled point to the diaphragm actuator. Pressure in this line acts upon the diaphragm to develop the necessary thrust to stroke the valve, thereby maintaining the system at the desired condition.
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- For pressure reducing applications, the pressure sensing, line is mounted downstream, and the valve closes as this sensed pressure increases.
Reduced outlet pressure not to be less than 10% of inlet pressure.
- For back pressure relief applications, the sensing line is mounted upstream, and the valve opens as the sensed pressure increases.
- For optimal performance, the service conditions (medium, flow, temperature, inlet and outlet pressures) of the application must be considered when selecting a valve. Please refer to the Valve Selection Section of this catalog. Improper application may cause failure of the valve, resulting in possible personal injury or property damage.
- For replacement or service parts please see Accessories and Replacement Parts in the Regulators and Control Valves section of the list price sheet.