15184

15184 - SECTION 15184 REFRIGERANT PIPING SYSTEMS PART 1...

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Project Number 1 Section 15184 Project Name Project Date Refrigerant Piping Systems SECTION 15184 REFRIGERANT PIPING SYSTEMS PART 1 GENERAL 1.1 SUMMARY A. Includes But Not Limited To 1. Furnish and install piping and specialties for refrigeration systems as described in Contract Documents. B. Related Sections 1. Section 15084 - Refrigerant Piping Insulation 2. Section 15101 - General Piping Requirements 1.2 REFERENCES A. American National Standards Institute / American Welding Society 1. ANSI / AWS A5.8-92, 'Standard Specification for Brazing Alloys' B. American Society For Testing And Materials 1. ASTM A 36-00a, 'Standard Specification for Carbon Structural Steel' 2. ASTM A 361-94, 'Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process for Roofing and Siding' 3. ASTM B 280-99, 'Standard Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field Service' 1.3 SUBMITTALS A. Shop Drawings - Show each individual equipment and piping support B. Quality Assurance / Control - Technician certificate for use of CFC and HCFC refrigerants 1.4 QUALITY ASSURANCE A. Qualifications - Refrigerant piping shall be installed by a refrigeration contractor licensed by State and by technicians certified in use of CFC and HCFC refrigerants. PART 2 PRODUCTS 2.1 COMPONENTS A. Refrigerant Piping 1. Meet requirements of ASTM B 280, hard drawn straight lengths. Soft copper tubing not permitted. 2. Do not use pre-charged refrigerant lines. B. Refrigerant Fittings 1. Wrought copper with long radius elbows. 2. Approved Manufacturers - a. Mueller Streamline b. Nibco Inc c. Grinnell d. Elkhart C. Suction Line Traps 1. Manufactured standard one-piece traps.
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Project Number 2 Section 15184 Project Name Project Date Refrigerant Piping Systems 2. Approved Manufacturers - a. Mueller Streamline b. Nibco Inc c. Grinnell d. Elkhart D. Connection Material 1. Brazing Rods in accordance with ANSI / AWS A5.8 - a. Copper to Copper Connections - 1) Classification BCuP-4 Copper Phosphorus (6 percent silver). 2) Classification BCuP-5 Copper Phosphorus (15 percent silver). b. Copper to Brass or Copper to Steel Connections - Classification BAg-5 Silver (45 percent silver). c. Do not use rods containing Cadmium. 2. Flux - a. Approved Products - 1) Stay-Silv White Brazing Flux by J W Harris 2) E. Valves 1. Expansion Valves - a. For pressure type distributors, externally equalized with stainless steel diaphragm, and same refrigerant in thermostatic elements as in system. b.
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15184 - SECTION 15184 REFRIGERANT PIPING SYSTEMS PART 1...

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