FORM Spec shem-PRH-D, Revised 01/11	COPYRIGHT © 2011 SHIPPENSBURG PUMP COMPANY, INC. 
Shipco® IS A REGISTERED TRADEMARK OF SHIPPENSBURG PUMP CO., INC. 	PRINTED IN THE U.S.A. • BEIDEL PRINTING HOUSE, INC., 717-532-5063
SHIPPENSBURG PUMP COMPANY, INC., P.O. BOX 279, SHIPPENSBURG, PA 17257
PHONE 717-532-7321 • FAX 717-532-7704 • www.shipcopumps.com
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SUGGESTED SPECIFICATIONS	SHIPCO® PUMPS
type SHEM-PRH-D Boiler Feed Unit with Model D Pumps
and a direct injection steam heating assembly
CAPACITY SCHEDULE MUST BE COMPLETED.
Furnish and install according to drawings and manufacturer’s instructions the quantity of SHEM-PRH-D preheat boiler feed units as shown on the drawings. Each unit shall consist of (1) steel receiver with a quantity of ______ boiler feed pumps, (1) direct injection steam heating assembly, electrical controls and accessories.
The boiler feed receiver shall be of welded steel construction, elevated to meet the NPSH requirements of the boiler feed pumps,  horizontal with convex flanged and dished heads, supported by a structural steel frame and have a capacity as shown on the drawings. Receiver material and thickness shall be as shown on the drawings. The boiler feed receiver shall be equipped with the following: (1) water level gauge, (1) dial thermometer, (1) make-up water assembly consisting of a 2-pole externally adjustable float switch and electric solenoid valve, (1) low water cut-off float switch, (1) isolation valve between receiver and pump plus a valve in each bleed line installed for maintenance, and (1) magnesium anode. A suction isolation valve shall be installed in the suction piping between the receiver and pump to permit servicing the pumps without draining the receiver.
All controls switches and valves to have a NEMA _____ rating.
A cast iron basket inlet strainer with vertical self-cleaning bronze screen shall be provided for the receiver inlet.
A direct injection steam heating assembly shall be installed in the receiver. The heating assembly shall consist of a double flange mounted injection pipe, steam control valve, temperature regulation (pressure regulator for systems over 15 PSIG steam pressure), wye strainer and pressure gauge. The heating assembly shall be sized for the capacities as shown on the drawings.
The make-up water assembly shall be sized to equal the capacity of one of the boiler feed pumps. The solenoid valve shall be packless, piston pilot-operated with a cushioned closing and have an epoxy-resin molded waterproof coil. The valve shall be equipped with a wye strainer, and a 3-valve manual bypass.
The boiler feed pumps shall be flange mounted on the receiver suction piping. The pump shall be close coupled vertical design, and shall have a cast bronze impeller that is bronze fitted to the cast iron pump housing with a renewable bronze wearing ring. The mechanical seal shall be rated for 250°F service. The entire pump assembly shall be permanently aligned and dynamically balanced to deliver its full rated capacity. The pump shall be driven by an industry standard motor available "off the shelf.” The motor shall have a NEMA standard shaft. The horsepower and electrical characteristics shall be as shown on the drawings.
The manufacturer shall furnish a certified pump performance test. The pump manufacturer shall furnish complete elementary and connection wiring diagrams and installation and operation instructions.
The entire pump package will be U.L. labeled when a control panel is furnished.
Electrical control specifications must be added. See electrical specifications for boiler feed pumps.
Manufacturer shall be Shipco® PUMPS, P.O. Box 279, Shippensburg, PA  17257.
Capacity Schedule (Required to complete suggested specifications)
TYPE SHEM-PRH-D BOILER FEED PUMPS SCHEDULE:
Receiver: __________ gallons, __________ " dia. x __________ " long x __________ " thick steel elevated __________ inches
Quantity: __________ boiler feed pumps each rated __________ GPM @ __________ PSIG with __________  HP and  __________  RPM and Motor Enclosure of __________; _________ ft. of NPSH Required
Supply electrical characteristics: __________ volts, __________ phase, 60 cycles
Control voltage: 115 volts, 1 phase, 60 cycles
Water supply pressure _________ PSIG
Steam heating assembly to pre-heat _______ GPM from _______ °F to _______ °F with _______ PSIG steam supply pressure