Specifications include, but are not limited to: Pump, Engine, and Plumbing: 1. Pump: Hale, Model HPX75-B18. Unit delivered will be equipped with electric start 2. Engine: 4-cycle gasoline Briggs and Stratton Vanguard 356447 series V-Twin, overhead valve, air cooled design 3. Impeller to be bronze double hubbed for hydraulic balance. 4. Wear rings to be bronze replaceable type. 5. Shaft seal to spring load mechanical. 6. Pump and engine to be mounted at floor level of skid to completely eliminate pump-priming problems when pumping from booster tank. 7. The pump/engine shall be capable of meeting the NFPA 1906 performance rating 50 GPM @ 250 PSI. Typical pump performance from 5-foot draft at sea level shall be: 15 GPM @ 325 PSI, 70 GPM @ 200 PSI, and 135 GPM @ 50 PSI. 8. The pump body shall be made of anodized alloy aluminum castings coupled together with a stainless steel band clamp with an O-ring seal, which allows quick pump volute removal for servicing. The pump end shall be factory hydrostatically tested to 500 PSI. The impeller shall be bronze and 4.88 inches (123.8 mm) in diameter. The renewable clearance ring shall be made of bronze to inhibit galvanic corrosion. To obtain the required pressures, a built-in oil bath lubricated gearbox shall be provided between the pump end and engine. The gearbox shall be coupled together with a stainless steel band clamp. The pump shaft seal shall be an automatically adjusting, maintenance free, mechanical type. The pump body shall be equipped with a petcock drain valve. 9. The pump shall be equipped with an exhaust venturi primer of brass and stainless steel construction. The primer shall be capable of priming at 13 feet lift. The primer shall be actuated with a spring return, single control lever located at the operator’s panel. The primer to pump line shall be equipped with an automatic check valve for priming from an open body of water and a manual shut-off for pumping from a pressurized water source. 10. The suction and discharge ports shall be female pipe thread, designed and located to accept applicable hose thread adapters (2.0” NPT Suction, 1.5” NPT Discharge). RFB #22-0080 Sedgwick County….Working for You 8 11. The engine shall be a 4-cycle gasoline Briggs and Stratton Vanguard 356447 series V-Twin, overhead valve, air-cooled design. Engine rating shall be 18 BHP at 4000 rpm with a torque of 30 lbft at 2600 rpm. Engine displacement shall be 570cc and shall be designed to meet current EPA (Environmental Protection Agency) standards. A 12-volt electric system shall be provided with electric starter and a 16-amp alternator. Recoil backup engine starting shall be provided. Engine shall be equipped with a residential muffler with USDA approved spark arrestor. 12. The pump/engine shall be isolation mounted onto a steel base plate. 13. The pump shall be available with a remote mounted control panel. This panel shall include a throttle lever, primer lever, master switch, starter button, choke control, a 2.5-inch liquid filled discharge gauge and an oil pressure warning light. 14. Heavy-duty stainless steel piping and fittings used throughout the system. 15. Brass or stainless steel drains to fully drain pump, manifold & plumbing. Stainless Steel Pump manifold design will allow for complete draining of all pump valves, hoses, and plumbing due to extended periods of outside storage due to Drill cycles or other occasions where Apparatus will be un-attended. 16. Pump engine starter to be prewired with plug-in connectors to enable hook-up to vehicle battery and charging system. 17. Pump engine will have an oil drain line plumbed to the front of the control panel area, floor level, to allow for easy access for draining oil. Drain line will have a valve accessible from the pump control panel area (at floor level). The Pump/Engine shall be isolation mounted onto a cross linked polyethylene platform which also serves as a minimum 3 gallon gas tank Required Operating Valves/Controls/Fittings: 1. General Requirement: All valves required/specified and supplied/installed with slip-in pump units will be full flow, quarter turn, ball valves. All control valve handles to be legibly identified for ease of operation. All suction and discharge connections including caps will be high quality and chrome plated with chains attached where applicable. 2. Note: All Intake and dis-charge valves will be 8800 series valves with TS handles and manufactured by Akron Brass. 3. One Each, 2-1/2” inlet with a 2-1/2” brass valve with cap. Thread to be 2-1/2” NSTF. Valve control will be at the valve and accessible from the rear of the truck (near but not on the pump panel). A check valve will be installed at the tank location to prevent back filling the tank from a fire hydrant. This action is intended to reduce the chances of damage to the internal plumbing inside the tank. 4. One Each, 2-1/2” tank to pump valve. Valve control will be at the valve and accessible from the rear of the truck (but not on the pump panel). 5. One Each, 1.5” minimum brass quarter turn ball valve with control at the pump control panel, shall be provided for recirculating water to prevent pump overheating or winter freeze-up. A 1-1/2” check valve will be installed at the tank connection to prevent water from draining out of the tank into the plumbing to reduce the chances of freeze-up. The dis-charge hose from the valve going to the tank will be of 1-1/2” I.D. hose. 6. One Each, 1.5” brass, quarter turn ball valve for the booster line with control at the pump panel. The dis-charge hose from the valve going to the booster reel will be of 1.5” I.D. hose. 7. One each, 1.5” brass, quarter turn ball valve with control at the pump panel, shall be provided for supplying a 1” forestry hose. Forestry hose connection shall be 1” MNST and accessible at the rear of the truck (but not on the pump panel). 8. One each, 1.5” pre-connect with Chickson swivel and ¼ turn full flow ball valve with control at the pump panel. The dis-charge hose from the valve going to the pre-connect swivel will be 1-1/2” I.D. hose. 9. One each, 1” brass quarter turn ball valve with control at the pump panel shall be provided for supplying a garden hose fitting. Garden hose fitting shall be accessible at the rear of the truck (but not on the pump panel)
