JOCKEY PUMPSET AND UL LISTED STARTER National Fire Protection Association (NFPA) ) SSPP Pumps Limited, 1420 Lakeview, Arlington Business Park, Theale, Reading, Berkshire, RG7 4SA OPERATION The jockey pump automatically starts upon receipt of a signal from the system pressure switch and continues to operate until pressure is restored where it will stop automatically. PUMP Design The SV in-line vertical multistage design is compact, easily maintainable and ideally suited to the application of pipeline pressurisation on fire sprinkler and hydrant systems where the pump may be starting and stopping frequently. The seal housing chamber is designed to prevent accumulation of air in the critical area next to the mechanical seal. Connections The base mount has 25mm inline branches with round flanges rated to PN25 Construction The wetted hydraulic parts are constructed from AISI 304 stainless steel material. The shaft sleeve is tungsten carbide, bushings are ceramic whilst the base and coupling are aluminium. There is an EN 12756 mechanical seal with silicon carbide / carbon faces and EPDM elastomers the motor adaptor is cast iron. MOTOR The totally enclosed fan cooled IP55 Aluminium frame motor, suitable for 380 / 415v 3ph 50 Hz supply, is mounted vertically on top of the pump. It has Class F insulation suitable for ambient temperatures up to 40oC, Class 2 efficiency values, and performance figures in accordance with EN 60034-1. STARTER Design The UL Listed starter is designed for fire pump service in accordance with the requirements of NFPA20 employs a direct-on-line contactor, with protective overload relay, for the connection of the pump motor. The starter is suitable for the control of one pump motor. Within the enclosure is a pressure switch, piped to an external ¼ “ NPT connector, with independent high and low set points for automatic start and stop. Enclosure All the components are housed in a dust and damp protecting single section sheet steel NEMA 2 enclosure having a hinged front cover. The enclosure is wall mounted using internal fixing points and designed for bottom cable entry Features Internally mounted are: - Fully interlocked load isolating switch - Horsepower rated fuses - Pressure switch - Control power transformer Externally mounted are: - Isolator handle - Hand / off / auto selector switch - Connector for pressure switch Our policy is one of continuous improvement and we reserve the right to alter the specifications of our offered products at anytime without notice. JOCKEY PUMPSET AND UL LISTED STARTER National Fire Protection Association (NFPA) ) SSPP Pumps Limited, 1420 Lakeview, Arlington Business Park, Theale, Reading, Berkshire, RG7 4SA - Minimum run period timer Options Available - Nema 4 Enclosure - Anti-condensation heater All equipment is CE Marked. Our policy is one of continuous improvement and we reserve the right to alter the specifications of our offered products at anytime without notice.