Determine the locations of both the evaporator and condenser sections within the structure and which section contains the compressor(s). Table 13 suggests spacing for pipe supports. The spacing of pipe supports, location of equipment, valves, and other components should be laid out, even if only mentally for small systems, on paper for larger systems. Maximum spacing of pipe supports shall meet local codes. The following spacing limitations for horizontal and vertical piping are derived from AS 3500. operating at temperatures high enough to materially lowerits strength, shall be supportedcontinuously.19.3 FRP shouldnotbepointloaded and all shields and hangers in contact with the pipe shall be free of burrs. SUPPORT CENTRES FOR SOFT TEMPERRED (FULLY ANNEALED) COPPER PIPE Refrigerant pipework size (Inch O/D) Centre between supports (m) 1/4 3/8 ½ Horizontal 0.8 1.0 1.2 Vertical 1.0 1.2 1.5 SUPPORT CENTRES FOR HALF HARD (HARD DRAWN) COPPER PIPE Refrigerant pipework size (Inch O/D) Centre between supports (m) 1/2 5/8 3/4 7/8 1 1/8 Horizontal 1.2 1.2 1.5 1.5 1.5 Vertical 1.5 … ASME B31.9 – Building Services Piping. Armco barriers or the equivalent should be used to protect pipe routes close to roads. Proper piping practices are very important when running refrigeration lines. system for use with another refrigerant. Occupied space is not necessarily just one room or an area but can also be several rooms/areas that are “connected” by corridors, ductwork or other means. Pipes rest on a strut system which is made of hot-dip galvanized steel. B 137.4 Polyethylene Piping Systems for Gas Service. ASME B31.5 – Refrigeration Piping and Heat Transfer Components. Maximum spacing of pipe supports shall meet local codes. Unique design absorbs thermal expansion and contraction of pipes thus preventing damage to the roof membrane. Sprinkler piping shall be … The basic principle for deciding the spacing the pipes running parallel to each other is: Center to Center Spacing = 1/2 O.D of the bigger size pipe flange + Insulation thickness of bigger size pipe (if applicable) + 25 mm + 1/2 O.D of the smaller size pipe + Insulation thickness of smaller size pipe(if applicable). 14. c. Details of building attachments, including clarifying when support of piping from concrete slab using expansion anchors is acceptable. ASME B31.1 table 121.5 lists "Suggested Pipe Support Spacing" for water or steam-gas-air service. Sufficient gap to accommodate pipe supports with guide plates. We have all types of industrial grade pipe and tubing for a range of industries and applications. PART 1: DEFINITIONS, CLASSIFICATION AND SELECTION CRITERIA One of the most important functions of this standard is to enable a … Pipe & Tubing. 8. Cutting & Welding of Refrigerant Pipe: Install piping to be as short and direct as possible, with a minimum number of joints, elbows and fittings. Support spacing Numerous alternative methods of fixing are available depending on the situations in which the pipework is to be installed. B 63 Welded and Seamless Steel Pipes. Learn More > PIPE FITTINGS . 19.2 Support spacing shall bebased on the manu18.4 Flexible plastic tubing or rigid plastic pipe facturer’s recommendations for the service condition. The spring steel rod hanger can be fitted or adjusted in seconds, and the black zinc coating offers corrosion resistance while matching insulation color. 1. Since the flow … For hazardous fluids, the piping should avoid 'dead legs' and be designed to facilitate drainage to prevent trapping of fluid. Z 245.1 Steel Line Pipe. Support piping at indoor units, Y-branch, and Header fittings; Supports must be strong enough. Tape and suspend the refrigerant lines as shown in Figure 1. Z 245.12 Steel Flanges. 3. There are 6 steps needed to arrive at a cost estimate for the R-410A split system refrigerant piping system on any project: 1. Therefore, force from the piping and contents on the bearing area of the insulation should be calculated. Our Purpose is to support our customers with unmatched service by providing a diverse and substantial inventory, timely deliveries, innovative technology, and professional assistance from a well-trained and experienced staff. Normally what dictates support location is allowable deflection and concentrated loads (valve banks). In practice, support spacings are a function of pipe size, operating temperatures, the location of heavy valves or fittings, and the mechanical properties of the pipe material. Exception: The interval of support for piping systems designed to provide for expansion ... 2014 FBC - Plumbing, 5 th edition > 3 General Regulations > 308 Piping Support > 308.5 Interval of Support. How the lines are run from the condensing unit to the evaporator is as important as what sizes they are. W 48.3 Low-Alloy Steel Arc-Welding Electrodes. ASME B31.8 – Gas Transmission and Distribution Piping Systems. The Rooftop Pipe Support (RPS ) is a light weight, versatile, non-penetrating support recommended for all light weight applications such as pipes, conduits, ducting, and solar installations on flat commercial roofs. piping. 5. Piping material specifications to verify compliance with the referenced material standards for all sanitary, storm and potable water piping (e.g., ASTM B88 for copper pipe), the type of joints and connections for all piping, the pipe hanger support spacing and details of anchorage and bracing. 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