Does this valve require manual resetting after a discharge

it handles 5-50 PSI steam and 5-150 PSI hot water with a high flow capacity of 43 Cv

ensuring setpoint accuracy and stability

from 15 psig to 20 psig) triggers the internal switchover mechanism between the two dials

Spirax-Sarco 55225 Main Valve Refrigerant Does this valve require manualThe Spirax Sarco 55225 is a high performance 1. 25 inch NPT 25 Series main valve designed for precise pressure and temperature control in industrial steam systems. This pilot operated diaphragm valve is engineered for durability, utilizing a stainless steel diaphragm to provide high lift and maximum flow capacity. As a fundamental component of the Spirax Sarco 25P pressure reducing valve assembly, the 55225 model ensures stable downstream pressure