SECTION PIPING SPECIALTIES PART 1 GENERAL 1.1 SUMMARY

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1 SECTION PIPING SPECIALTIES PART 1 GENERAL 1.1 SUMMARY A. Section Includes: 1. Pressure gages. 2. Pressure gage taps. 3. Thermometers. 4. Thermometer supports. 5. Test plugs. 6. Static pressure gages. 7. Flexible connectors. 8. Air vents. 9. Air separators. 10. Strainers. 11. Pump suction fittings. 12. Flow controls. B. Related Sections: 1. Section Pumps: Execution requirements for piping connections to products specified by this section. 2. Section Domestic Water Piping: Execution requirements for piping connections to products specified by this section. 3. Section Heating and Cooling Piping: Execution requirements for piping connections to products specified by this section. 1.2 REFERENCES A. American Society of Mechanical Engineers: 1. ASME B Gauges - Pressure Indicating Dial Type - Elastic Element. 2. ASME Section VIII - Boiler and Pressure Vessel Code - Pressure Vessels. B. American Society for Testing and Materials: 1. ASTM A105/A105M - Standard Specification for Carbon Steel Forgings for Piping Applications. 2. ASTM A126 - Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings. 3. ASTM A216/A216M - Standard Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service. 4. ASTM A395/A395M - Standard Specification for Ferritic Ductile Iron Pressure- Retaining Castings for Use at Elevated Temperatures. 5. ASTM E1 - Standard Specification for ASTM Thermometers. 6. ASTM E77 - Standard Test Method for Inspection and Verification of Thermometers. C. American Water Works Association: 1. AWWA C700 - Cold-Water Meters - Displacement Type, Bronze Main Case. 2. AWWA C701 - Cold-Water Meters - Turbine Type, for Customer Service. 3. AWWA C702 - Cold-Water Meters - Compound Type. 4. AWWA C706 - Direct-Reading, Remote-Registration Systems for Cold-Water Meters. 5. AWWA M6 - Water Meters - Selection, Installation, Testing, and Maintenance

2 D. Underwriters Laboratories Inc.: 1. UL Indicating Pressure Gauges for Fire-Protection Service. 2. UL Gauges, Indicating Pressure, for Compressed Gas Service. 1.3 PERFORMANCE REQUIREMENTS A. Flexible Connectors: Provide at or near pumps, compressors, motorized equipment, where piping configuration does not absorb vibration. B. Steam Traps: 1. Select to handle minimum of two times maximum condensate load of apparatus served. 2. Pressure Differentials: a. Low Pressure Systems (15 psi (103 kpa) maximum): 2 psi (13.8 kpa). 1.4 SUBMITTALS A. Division 1 - Submittal Procedures: Submittal procedures. B. Product Data: Submit for manufactured products and assemblies used in this Project. 1. Manufacturer s data indicating use, operating range, total range, accuracy, and location for manufactured components. 2. Submit product description, model, dimensions, component sizes, rough-in requirements, service sizes, and finishes. 3. Submit schedule indicating manufacturer, model number, size, location, rated capacity, load served, and features for each piping specialty. 4. Submit electrical characteristics and connection requirements. C. Manufacturer's Installation Instructions: Submit hanging and support methods, joining procedures, application, selection, and hookup configuration. Include pipe and accessory elevations. D. Manufacturer's Certificate: Certify products meet or exceed specified requirements. 1.5 CLOSEOUT SUBMITTALS A. Division 1 - Execution Requirements: Closeout procedures. B. Project Record Documents: Record actual locations of actual locations of components and instrumentation, flow controls, flow meters. C. Operation and Maintenance Data: Submit instructions for calibrating instruments, installation instructions, assembly views, servicing requirements, lubrication instruction, and replacement parts list. 1.6 QUALIFICATIONS A. Manufacturer: Company specializing in manufacturing products specified in this section with minimum three years experience. B. Installer: Company specializing in performing Work of this section with minimum three years experience

3 1.7 DELIVERY, STORAGE, AND HANDLING A. Division 1 - Product Requirements: Product storage and handling requirements. B. Accept piping specialties on site in shipping containers with labeling in place. Inspect for damage. C. Provide temporary protective coating on cast iron and steel valves. D. Protect systems from entry of foreign materials by temporary covers, caps and closures, completing sections of the work, and isolating parts of completed system until installation. 1.8 ENVIRONMENTAL REQUIREMENTS A. Division 1 - Product Requirements. B. Do not install instruments when areas are under construction, except rough in, taps, supports and test plugs. 1.9 FIELD MEASUREMENTS A. Verify field measurements before fabrication WARRANTY A. Division 1 - Execution Requirements: Product warranties and product bonds. B. Furnish 1 year manufacturer warranty for piping specialties MAINTENANCE SERVICE A. Division 1 - Execution Requirements: Maintenance service MAINTENANCE MATERIALS A. Division 1 - Execution Requirements: Spare parts and maintenance materials. B. Furnish two bottles of red gage oil for static pressure gages EXTRA MATERIALS A. Division 1 - Execution Requirements: Spare parts and maintenance products. PART 2 PRODUCTS 2.1 PRESSURE GAGES A. Gage: ASME B40.1, UL 393; UL 404 with bourdon tube, rotary brass movement, brass socket, front calibration adjustment, black scale on white background. 1. Case: Fiberglass reinforced polypropylene. 2. Bourdon Tube: BrassType 316 stainless steel. 3. Dial Size: 2-1/2 inch 4. Mid-Scale Accuracy: One percent. 5. Scale: Psi

4 2.2 PRESSURE GAGE TAPS A. Needle Valve: Brass, 1/4 inch NPT for minimum 300 psi. B. Ball Valve: Stainless Steel, 1/4 inch NPT for 250 psi. C. Pulsation Damper: Pressure snubber, brass with 1/4 inch NPT connections. D. Siphon: Stainless Steel, 1/4 inch NPT angle or straight pattern. 2.3 STEM TYPE THERMOMETERS A. Thermometer: ASTM E1, adjustable angle, red appearing mercury, lens front tube, cast aluminum case with enamel finish, cast aluminum adjustable joint with positive locking device. 1. Size: 9 inch scale. 2. Window: Clear glass. 3. Stem: Brass, 3/4 inch NPT, 3-1/2 inch long. 4. Accuracy: ASTM E77 2 percent. 5. Calibration: Degrees F. 2.4 THERMOMETER SUPPORTS A. Socket: Brass separable sockets for thermometer stems with or without extensions. B. Flange: 3 inch outside diameter reversible flange, designed to fasten to sheet metal air ducts, with brass perforated stem. 2.5 AIR VENTS 3. Substitutions: Division 1 - Product Requirements. B. Float Type: 1. Brass or semi-steel body, copper, polypropylene, or solid non-metallic float, stainless steel valve and valve seat; suitable for system operating temperature and pressure; with isolating valve. 2. Cast iron body and cover, float, bronze pilot valve mechanism suitable for system operating temperature and pressure; with isolating valve. 2.6 AIR SEPARATORS 3. Substitutions: Division 1 Product Requirements B. Combination Air Separators/Strainers: Steel, tested and stamped in accordance with ASME Section VIII; for 125 psig operating pressure, with integral bronze galvanized steel strainer, tangential inlet and outlet connections, and internal stainless steel air collector tube

5 2.7 STRAINERS A. Size 2 inch and Smaller: 1. Screwed brass or iron body for 175 psig working pressure, Y pattern with 1/32 inch stainless steel perforated screen. B. Size 2-1/2 inch to 4 inch: 1. Flanged iron body for 175 psig working pressure, Y pattern with 3/64 inch stainless steel perforated screen. C. Size 5 inch and Larger: 1. Flanged iron body for 175 psig working pressure, basket pattern with 1/8 inch stainless steel perforated screen. 2.8 PUMP SUCTION FITTINGS 2. Armstrong 3. Substitutions: Division 1 Product Requirements B. Fitting: Angle pattern, cast-iron body. Threaded for 2 inch and smaller, flanged for 2-1/2 inch and larger. Rated for 175 psig working pressure, with inlet vanes, cylinder strainer with 3/16 inch diameter openings, disposable fine mesh strainer to fit over cylinder strainer, and permanent magnet located in flow stream and removable for cleaning. C. Accessories: Adjustable foot support, blow-down tapping in bottom, gage tapping in side. 2.9 COMBINATION PUMP DISCHARGE VALVES 3. Substitutions: Division 1 - Product Requirements B. Valves: Straight or angle pattern, flanged cast-iron valve body with bolt-on bonnet for 175 psig operating pressure, non-slam check valve with spring-loaded bronze disc and seat, stainless steel stem, and calibrated adjustment permitting flow regulation FLOW CONTROLS 3. Substitutions: Division 1 Product Requirements B. Construction: Brass or bronze body with union on inlet, and outlet, temperature and pressure test plug on inlet and outlet combination blow-down and back-flush drain. C. Calibration: Control within 5 percent of design flow over entire operating pressure. D. Control Mechanism: Stainless steel or nickel plated brass piston or regulator cup, operating against stainless steel helical or wave formed spring. E. Accessories: In-line strainer on inlet and ball valve on outlet

6 2.11 RELIEF VALVES 3. Substitutions: Division 1 Product Requirements B. Bronze body, Teflon seat, stainless steel stem and springs, automatic, direct pressure actuated capacities ASME certified and labeled. PART 3 EXECUTION 3.1 INSTALLATION - THERMOMETERS AND GAGES A. Install one pressure gage for each pump, locate taps before strainers and on suction and discharge of pump; pipe to gage. B. Install gage taps in piping. C. Install pressure gages with pulsation dampers. Provide needle valve or ball valve to isolate each gage. Extend nipples and siphons to allow clearance from insulation. D. Install thermometers in piping systems in sockets in short couplings. Enlarge pipes smaller than 2-1/2 inches for installation of thermometer sockets. Allow clearance from insulation. E. Install thermometer sockets adjacent to controls systems thermostat, transmitter, or sensor sockets. F. Coil and conceal excess capillary on remote element instruments. G. Provide instruments with scale ranges selected according to service with largest appropriate scale. H. Install gages and thermometers in locations where they are easily read from normal operating level. Install vertical to 45 degrees off vertical. I. Adjust gages and thermometers to final angle, clean windows and lenses, and calibrate to zero. 3.2 INSTALLATION - HYDRONIC PIPING SPECIALTIES A. Where large air quantities accumulate, provide enlarged air collection standpipes with manual air vents (unless automatic is shown on drawings). B. Install manual air vents at system high points. C. For automatic air vents in ceiling spaces or other concealed locations, install vent tubing to nearest drain. D. Provide air separator on suction side of system circulation pump and connect to expansion tank. E. Provide drain and hose connection with valve on strainer blow down connection

7 F. Provide pump suction fitting on suction side of base mounted centrifugal pumps. Remove temporary strainers after cleaning systems. G. Provide combination pump discharge valve on discharge side of base mounted centrifugal pumps. H. Support pump fittings with floor mounted pipe and flange supports. I. Provide relief valves on pressure tanks, low-pressure side of reducing valves, heat exchangers, and expansion tanks. J. Select system relief valve capacity greater than make-up pressure reducing valve capacity. Selected equipment relief valve capacity shall not exceed rating of connected equipment. K. Pipe relief valve outlet to nearest floor drain. L. Where one line vents several relief valves, make cross sectional area equal to sum of individual vent areas. 3.3 FIELD QUALITY CONTROL A. Division 1 - Quality Requirements: Testing and Inspection Services; Division 1 - Execution Requirements: Testing, adjusting, and balancing. B. Test for strength of water solution and submit written test results. 3.4 CLEANING A. Division 1 - Execution Requirements. 3.5 PROTECTION OF INSTALLED CONSTRUCTION A. Division 1 - Execution Requirements, B. Do not install hydronic pressure gauges until after systems are pressure tested. 3.6 SCHEDULES A. Pressure Gages. 1. Pumps. 2. Expansion tanks. 3. Pressure tanks. 4. Standpipe, highest points. 5. Standpipe and sprinkler water supply connection. 6. Pressure reducing valves. 7. Back-flow preventing device. 8. Strainers 9. Coils 10. As necessary to provide adequate knowledge of system parameters for maintenance. B. Pressure Gage Tapping Location: 1. Control valves 3/4 inch & larger - inlets and outlets. 2. Major coils - inlets and outlets

8 3. Chiller - inlets and outlets. 4. Expansion tanks. 5. Pressure tanks. 6. Standpipe, highest points. 7. Standpipe and sprinkler water supply connection. 8. Pressure reducing valves. 9. Back-flow preventing device. 10. Strainers 11. Coils 12. As shown on Drawings C. Thermometer Socket Location: 1. Control valves 1 inch & larger - inlets and outlets. 2. Coils. 3. Equipment. 4. Where shown on Drawings. END OF SECTION