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DocuSign Envelope ID: B94F2D40-3B3C-47A7-86C2-6F1 B4F92C62C <br /> Orange County Emergency Services Building Construction Documents <br /> C. Products Requiring Electrical Connection: Listed and classified by UL, as suitable for the purpose <br /> indicated. <br /> 2.02 PIPING <br /> A. Copper Tube: ASTM B280, H58 hard drawn or 060 soft annealed. <br /> 1. Fittings: ASME B16.22 wrought copper. <br /> 2. Joints: Braze, AWS A5.8M/A5.8 BCuP silver/phosphorus/copper alloy. <br /> B. Pipe Supports and Anchors: <br /> 1. Provide hangers and supports that comply with MSS SP-58. <br /> a. If type of hanger or support for a particular situation is not indicated, select appropriate <br /> type using MSS SP-58 recommendations. <br /> 2. Hangers for Pipe Sizes 2 Inches and Over: Carbon steel, adjustable, clevis. <br /> 3. Multiple or Trapeze Hangers: Steel channels with welded spacers and hanger rods. <br /> 4. Wall Support for Pipe Sizes to 3 Inches: Cast iron hook. <br /> 5. Vertical Support: Steel riser clamp. <br /> 6. Copper Pipe Support: Carbon steel ring, adjustable, copper plated. <br /> 7. Hanger Rods: Mild steel threaded both ends, threaded one end, or continuous threaded. <br /> 8. Inserts: Malleable iron case of galvanized steel shell and expander plug for threaded <br /> connection with lateral adjustment, top slot for reinforcing rods, lugs for attaching to forms; <br /> size inserts to suit threaded hanger rods. <br /> 2.03 MOISTURE AND LIQUID INDICATORS <br /> A. Manufacturers: <br /> 1. Henry Technologies: www.henrytech.com. <br /> 2. Parker Hannifin/Refrigeration and Air Conditioning: www.parker.com. <br /> 3. Sporlan, a Division of Parker Hannifin: www.parker.com. <br /> B. Indicators: Single port type, UL listed, with copper or brass body, flared or solder ends, sight glass, <br /> color coded paper moisture indicator with removable element cartridge and plastic cap; for <br /> maximum temperature of 200 degrees F and maximum working pressure of 500 psi. <br /> 2.04 VALVES <br /> A. Manufacturers: <br /> 1. Hansen Technologies Corporation: www.hantech.com. <br /> 2. Henry Technologies: www.henrytech.com. <br /> 3. Flomatic Valves: www.flomatic.com. <br /> B. Diaphragm Packless Valves: <br /> 1. UL listed, globe or angle pattern, forged brass body and bonnet, phosphor bronze and <br /> stainless steel diaphragms, rising stem and handwheel, stainless steel spring, nylon seat disc, <br /> solder or flared ends, with positive backseating; for maximum working pressure of 500 psi and <br /> maximum temperature of 275 degrees F. <br /> C. Packed Angle Valves: <br /> 1. Forged brass or nickel plated forged steel, forged brass seal caps with copper gasket, rising <br /> stem and seat with backseating, molded stem packing, solder or flared ends; for maximum <br /> working pressure of 500 psi and maximum temperature of 275 degrees F. <br /> D. Ball Valves: <br /> 1. Two piece bolted forged brass body with teflon ball seals and copper tube extensions, brass <br /> bonnet and seal cap, chrome plated ball, stem with neoprene ring stem seals; for maximum <br /> working pressure of 500 psi and maximum temperature of 300 degrees F. <br /> E. Service Valves: <br /> 1. Forged brass body with copper stubs, brass caps, removable valve core, integral ball check <br /> valve, flared or solder ends, for maximum pressure of 500 psi. <br /> 2.05 STRAINERS <br /> A. Manufacturers: <br /> 1. Hansen Technologies Corporation: www.hantech.com/#sle. <br /> 2. Parker Hannifin/Refrigeration and Air Conditioning: www.parker.com/#sle. <br /> PDC Project 18102 REFRIGERANT PIPING 23 23 00-2 <br /> 12/17/2018 <br />