The model C mechanical ball drip valve is a listed trim component used in the alarm line of Reliable model A and D dry valves, Model DDX deluge and DDX preaction valves. The mechanical ball drip valve is designed to close upon activation of the dry or deluge valve when sufficient flow is present in the alarm line. In the normal or open position the mechanical ball drip allows for the relieving of pressure in the alarm chamber of the valve. After valve activation, push in the plunger of the mechanical ball drip valve to manually release the water pressure and to drain the alarm line of the valve.

Standards/Certifications: FM approved

Applications: For model D dry pipe valves

• Installation Sheet https://www.plumbers-supply-co.com//ASSETS/DOCUMENTS/ITEMS/EN/UNI-PS9925_Instal.pdf
• Specification Sheet https://www.plumbers-supply-co.com//ASSETS/DOCUMENTS/ITEMS/EN/UNI-PS9925_Spec.pdf