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following: Henry Valve Co., Parker Hannifin Corp. Refrigeration & Air Conditioning
<br /> Div., Sporlan Valve Co.
<br /> 2. Solenoid Valves:
<br /> a. Two-way Solenoid Valves: Forged brass, designed to conform to ARI 760,
<br /> normally closed, Teflon valve seat, NEMA 1 solenoid enclosure, 24 volt, 60 hertz,
<br /> UL listed, 1/2" conduit adapter, 250' F temperature rating, 400 PSI working
<br /> pressure.
<br /> Manual Operator: Provide manual operator to open valve.
<br /> b. Available Manufacturers: Subject to compliance with requirements, manufacturers
<br /> offering solenoid valves which may be incorporated in the work include the
<br /> following: Alco Controls Div., Emerson Electric Co.,Automatic Switch Co., Sporlan
<br /> Valve Co.
<br /> 2.5 REFRIGERATION ACCESSORIES
<br /> A. Refrigerant Strainers: Brass shell end and connections, brazed joints, Monel screen, 100 mesh,
<br /> UL-listed, 350 PSI working pressure.
<br /> B. Moisture-Liquid Indicators: Forged brass, single port, removable cap, polished optical glass,
<br /> solder connections, UL-listed 200' F (93' C)temperature rating, 500 PSI working pressure.
<br /> C. Refrigerant Filter-Driers: Corrosion-resistant steel shell, steel flange ring and spring, wrought
<br /> copper fittings, ductile iron cover plate with steel cap screws, replaceable filter-drier core, 500
<br /> PSI working pressure. All filter-driers shall meet the requirements of ARI Standard 710. Filter-
<br /> Driers for heat pump systems shall be bi-flow type.
<br /> D. Evaporator Pressure Regulators: Provide corrosion-resistant, spring-loaded, stainless steel
<br /> springs, pressure operated, evaporator pressure regulator, in size and working pressure
<br /> indicated,with copper connections.
<br /> E. Refrigerant Discharge Line Mufflers: Provide discharge line mufflers as recommended by
<br /> equipment manufacturer for use in service indicated, UL-listed.
<br /> F. Available Manufacturers: Subject to compliance with requirements, manufacturers offering
<br /> refrigeration accessories which may be incorporated in the work include the following: Alco
<br /> Controls Div., Henry Valve Co., Parker-Hannifin Corp., Sporlan Valve Co.
<br /> PART 3- EXECUTION
<br /> 3.1 REFRIGERANT PIPING INSTALLATION
<br /> A. Refrigerant piping shall be sized as per recommendations of the air conditioning equipment
<br /> manufacturer. Provide, upon request, copies of manufacturer's calculations, specifically when
<br /> distance between system components exceeds standard published data.
<br /> B. Piping shall be filled with dry nitrogen while soldering.
<br /> C. Provide all necessary valves, traps, filter/dryers, sight glass, etc. as required for a complete and
<br /> ready to operate installation. Include accessible service fittings.
<br /> D. Provide long sweep elbows or junction boxes at the ends of conduit to facilitate pulling of
<br /> refrigerant pipes.
<br /> CEA#18010 REFRIGERANT PIPING SYSTEMS 23 23 00-3
<br /> COPYRIGHT©2016 CONSULTING ENGINEERING ASSOCIATES, INC.
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