SECTION (15110) - GENERAL DUTY VALVES FOR PLUMBING PIPING

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1 SECTION (15110) - GENERAL DUTY VALVES FOR PLUMBING PIPING PART 1 GENERAL 1.01 SUMMARY A. Section Includes: 1. Valves. B. Related Sections: 1.02 REFERENCES 1. Section (15075) Identification for Plumbing Piping and Equipment: For valve tags and charts. 2. Division 22 Plumbing Piping System Sections: Special purpose valves A. The American Society of Mechanical Engineers (ASME) Publications: 1. B "Pipe Threads, General Purpose, Inch" 2. B16.1 Cast Iron Pipe Flanges and Flanged Fittings 3. B16.5 Pipe Flanges and Flanged Fittings 4. B16.18 Cast Copper Alloy Solder Joint Pressure Fittings 5. B16.22 Wrought Copper and Copper Alloy Solder Joint Pressure Fittings 6. B16.24 Cast Copper Alloy Pipe Flanges and Flanged Fittings: Classes 150, 300, 400, 600, 900, 1500 and B31.1 Power Piping 8. B31.9 Building Services Piping B. ASTM International (ASTM) Publications: (Former American Society for Testing and Materials) 1.03 SUBMITTALS 1. A53 "Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless" 2. A126 "Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings" 3. A395 Standard Specification for Ferritic Ductile Iron Pressure-Retaining Castings for Use at Elevated Temperatures 4. B62 Standard Specification for Composition Bronze or Ounce Metal Castings 5. B209 "Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate" 6. B283 Standard Specification for Copper and Copper-Alloy Die Forgings (Hot-Pressed) 7. B584 Standard Specification for Copper Alloy Sand Castings for General Applications 1.04 QUALITY ASSURANCE A. Single-Source Responsibility: Comply with the requirements specified in Division 01. Provide all valves of the same manufacturer where possible. 1. ASME Compliance: Comply with ASME B31.9 for building services piping and ASME B31.1 for power piping. B. MSS Compliance: Comply with the various MSS Standard Practice documents referenced. PAGE 1

2 1.05 DELIVERY, STORAGE, AND HANDLING A. Prepare valves for shipping as follows: 1. Protect internal parts against rust and corrosion. 2. Protect threads, flange faces, grooves, and weld ends. 3. Set globe and gate valves closed to prevent rattling. 4. Set ball and plug valves open to minimize exposure of functional surfaces. 5. Block check valves in either closed or open position. B. Use the following precautions during storage: 1. Maintain valve end protection. 2. Store indoors and maintain valve temperature higher than ambient dew-point temperature. If outdoor storage is necessary, store valves off the ground in watertight enclosures. C. Use a sling to handle large valves. Rig to avoid damage to exposed parts. Do not use handwheels and stems as lifting or rigging points. PART 2 PRODUCTS 2.01 MANUFACTURERS A. Approved Manufacturers: 2.02 GENERAL 1. Ball Valves and Gate Valves: a. Hammond Valve Corporation ( ) b. Milwaukee Valve Company, Inc. ( ) c. NIBCO Inc. ( ) 2. Balancing Valves: a. Victaulic Company ( ) b. Hays Fluid Controls, A Romac Industries, Inc. Company ( ) 3. Check Valves: a. Hammond Valve Corporation ( ) b. Milwaukee Valve Company, Inc. ( ) c. NIBCO Inc. ( ) 4. Blending Valves: a. Cla-Val ( ) 5. Digital Recirculating Valve: a. Armstrong International ( ) A. Design: Rising stem or rising outside screw and yoke stems, except as specified below. 1. Nonrising stem valves may be used only where headroom prevents full extension of rising stems. REVISED: 05/01/13 PAGE 2 FILE: CFRST-General Duty Valves For Plumbing Piping.doc CFRST SPECMSTR-NEW BUILD 2013, Marriott International, Inc.

3 B. Pressure and Temperature Ratings: As indicated in the "Application Schedule" of Part 3 of this Section and as required to suit system pressures and temperatures. C. Sizes: Same size as upstream pipe, unless otherwise indicated. D. Operators: Use specified operators and handwheels, except provide the following special operator features: 1. Handwheels: For valves other than quarter turn. 2. Lever Handles: For quarter-turn valves 6 inches (DN150) and smaller, except for plug valves, which shall have square heads. Furnish Owner with 1 wrench for every 10 plug valves. E. Extended Stems: Where insulation is indicated or specified, provide extended stems arranged to receive insulation. F. Bypass and Drain Connections: Comply with MSS SP-45 bypass and drain connections. G. Threads: ASME B H. Flanges: ASME B16.1 for cast iron, ASME B16.5 for steel, and ASME B16.24 for bronze valves. I. Solder Joint: ASME B BALL VALVES 1. Caution: Where soldered end connections are used, use solder having a melting point below 840 deg F for gate, globe, and check valves; below 421 deg F for ball valves. A. Ball Valves, 4 Inches (DN100) and Smaller: MSS SP-110, Class 150, 600-psi CWP, ASTM B584 bronze body and bonnet, 2-piece construction; chrome-plated brass ball, standard port for 1/2-inch (DN15) valves and smaller and conventional port for 3/4-inch (DN20) valves and larger; blowout proof; bronze or brass stem; Teflon seats and seals; threaded or soldered end connections: 2.04 GATE VALVES 1. Operator: Vinyl-covered steel lever handle. 2. Stem Extension: For valves installed in insulated piping. 3. Memory Stop: For operator handles (balancing valves). A. Gate Valves, 2-1/2 Inches (DN65) and Smaller: MSS SP-80; Class 125, 200-psi cold working pressure (CWP), ASTM B62 cast-bronze body and bonnet, solid-bronze wedge, copper-silicon alloy rising stem, Teflon-impregnated packing with bronze packing nut, threaded or soldered end connections; and with aluminum or malleable-iron handwheel. B. Gate Valves, 3 Inches (DN80) and Larger: MSS SP-70, Class 125, 200-psi CWP, ASTM A126 cast-iron body and bonnet, solid cast-iron wedge, brass-alloy stem, outside screw and yoke, Teflon-impregnated packing with 2-piece packing glad assembly, flanged end connections; and with cast-iron handwheel BALANCING VALVES A. Calibrated Balancing Valves: Adjustable, with 2 readout ports and memory setting indicator. Include manufacturer s standard hoses, fittings, valves, differential pressure meter, and carrying case inch NPS (DN50) and Smaller: Bronze body with brass ball, adjustment knob, calibrated nameplate, and threaded or solder-joint ends. PAGE 3

4 2. 2-inch NPS (DN500 and Smaller: Bronze, Y-pattern body with adjustment knob and threaded ends. B. Memory-Stop Balancing Valves, 2-Inch NPS (DN50) and Smaller: MSS SP-110, ball valve, rated for 400-psig minimum CWP. Include 2-piece, ASTM B62 bronze body with standard port, chrome-plated brass ball, replaceable seats and seals, blowout-proof stem, solder-joint ends, and vinyl-covered steel handle with memory-stop device. C. Automatic Flow Control Valves (AFCV): Automatic flow control valves shall be factory set to rated flow, and shall automatically control the flow to within 10% of the rated value, over a 40 to 1 differential pressure, operating range, (2 to 80 PSID). Operational temperature shall be rated from fluid freezing, to 225 degree F. 1. "MESURFLO" by Hays Fluid Controls, or approved substitution by listed manufacturers. a. Automatic Flow Control valve body shall be constructed of hot forged brass UNS C37700 or C36000 per ASTM B283 latest revision, ductile iron per ASTM A395, valve grade cast iron per ASTM B209, or UNS C84400 Cast Semi-Red Brass with inch size pipe thread fittings per ASME B1.20.1, and B31.9. UNS C37700 and UNS C36000 valve bodies are suitable for 600 PSIG Iron, and Cast Brass valve bodies are suitable for 400 PSIG. Working Pressure rating per ASTM A53 threaded joint type. Valve body shall also be available with sweat fittings per ASME B16.22 requirements and are intended for use in Building Services Piping meeting the requirements of ASME B31.9. The Temperature/Pressure Rating of the Solder Joint is dependent upon the type of solder used. ASME Standard B16.22 Pressure Ratings should be reviewed prior to sweating. 2. "Y-BALL MESURFLO" by Hays Fluid Controls, or approved substitution by listed manufacturers: a. Ball Valve, combination Automatic Flow Control Valves, shall be made of hot forged brass UNS C37700 per ASTM B283 Latest Revision, using full flow design balls, blowout proof stems, and shall be rated for 600 PSIG WOG. b. Copper Sweat fittings 1/2, 3/4, 1 & 1 1/4, INCH shall be suitable for 522 PSIG. Working Pressure Rating per ASME B31.9 Building Services Piping. c. Threaded fittings 1/2, through 1 1/2 INCH shall be suitable for 600 PSIG. Working Pressure Rating per ASTM A53B for threaded joint type extra weight, of the pipe size indicated. (For most Building Services applications, ANSI Class 125 rating.) Flow rates from.5 to 24.0 GPM will have a differential pressure operating range of 2 to 80 PSID. Flow rates shall be field changeable without breaking the piping connections. 3. Valve internal control mechanism shall be of a quiet, clog resistant design and consist of one or more, precision sculptured brass or polyphenylsulfone with high temperature elastomeric diaphragm. Each automatic balancing valve will automatically control the flow rate within 10% of its rated flow, over a temperature range of 32 to 225 degree F, and a pressure differential range of 2-80 PSID. Flow increments shall be available in to 0.5 GPM steps for 0.5 to 8.0 GPM, 1.0 to 2.0 GPM steps for 9.0 to 24 GPM, and 5.0 GPM steps for 25 to 200 GPM. 4. Dual pressure/temperature test ports for verifying the pressure differential and system temperature shall be standard. 5. Manufacturer shall provide certified independent laboratory tests verifying accuracy of performance. REVISED: 05/01/13 PAGE 4 FILE: CFRST-General Duty Valves For Plumbing Piping.doc CFRST SPECMSTR-NEW BUILD 2013, Marriott International, Inc.

5 6. All valves shall be marked per MMS-SP (1983) and shall show as a minimum; controlled flow direction, flow rate, PSID control range, manufacturer and model number CHECK VALVES A. Swing Check Valves, 2-1/2 Inches (DN65) and Smaller: MSS SP-80; Class 125, 200-psi CWP, or Class 150, 300-psi CWP; horizontal swing, Y-pattern, ASTM B62 cast-bronze body and cap, rotating bronze disc with rubber seat or composition seat, threaded or soldered end connections: B. Swing Check Valves, 3 Inches (DN80) and Larger: MSS SP-71, Class 125, 200-CWP, ASTM A126 cast-iron body and bolted cap, horizontal-swing bronze disc, flanged or grooved end connections DIGITAL RECIRCULATING VALVE (DRV) A. Re-circulating Valve shall be digital and of lead free stainless steel/polymer construction. B. DRV shall have all of the following operational capabilities: 1. +/- 2F degree water temperature control. 2. 2F degree minimum inlet to outlet water temperature differential 3. Automatic shutoff of hot water flow upon cold water inlet supply failure. 4. Automatic shutoff of hot water flow in the event of a power failure. 5. Programmable set point range of F (27-70 C) 6. Programmable thermal disinfection mode. 7. Programmable 1st level hi/lo temp alarm display. 8. Programmable temperature error level for safety shutdown. C. DRV shall have all of the following connectivity capabilities: 1. SPCO relay outputs which are energized during operation. 2. LCD display which indicates: Set point, delivered temperature, error codes and alarm conditions. 3. MODBUS 485 port for remote set point adjustment and remote operating temperature visibility. 4. RS485 Serial Port for connection to a performance matched hot water monitoring system. D. DRV shall be compliant with ASME Standard 1017 and CSA B125.3 and so certified and identified. E. DRV shall be UL listed and identified BLENDING VALVE FOR WATER SOFTENING SYSTEMS A. Primary, Water Softening, Water Mixing Valves: B. Standard: 125 psig min, 180 F Max, Ductile Iron ASTM A536 or Bronze ASTM B62, Ductile Iron ASTM A536 or Bronze ASTM B62, Threaded Connections. Exposed- mounting or Cabinet-type, PAGE 5

6 PART 3 EXECUTION 3.01 EXAMINATION A. Examine piping system for compliance with requirements for installation tolerances and other conditions affecting performance of valves. Do not proceed with installation until unsatisfactory conditions have been corrected. B. Examine valve interior for cleanliness, freedom from foreign matter, and corrosion. Remove special packing materials, such as blocks, used to prevent disc movement during shipping and handling. C. Operate valves from fully open to fully closed positions. Examine guides and seats made accessible by such operation. D. Examine threads on valve and mating pipe for form and cleanliness. E. Examine mating flange faces for conditions that might cause leakage. Check bolting for proper size, length, and material. Check gasket material for proper size, material composition suitable for service, and freedom from defects and damage. F. Do not attempt to repair defective valves; replace with new valves INSTALLATION A. Install valves as indicated, according to manufacturer's written instructions. B. Piping installation requirements are specified in other Division 22 Sections. Drawings indicate the general arrangement of piping, fittings, and specialties. C. Install valves with unions or flanges at each piece of equipment arranged to allow servicing, maintenance, and equipment removal without system shutdown. D. Locate valves for easy access and provide separate support where necessary. E. Install valves in horizontal piping with stem at or above the center of the pipe and in a position to allow full stem movement. F. Installation of Check Valves: Install for proper direction of flow as follows: REVISED: 05/01/13 1. Swing Check Valves: Horizontal position with hinge pin level. G. Sectional Valves: Install sectional gate or ball valves closest to main on each branch and riser serving plumbing fixtures or equipment, and where indicated. H. Shutoff Valves: Install gate or ball shutoff valve on each water supply to equipment, on each supply to plumbing fixtures without supply stops, and where indicated. I. Drain Valves: Install drain valves for equipment, at base of each water riser, at low points in horizontal piping, and where required to drain water piping. 1. Install hose-end drain valves with cap and chain at low points in water mains, risers, and branches. 2. Install stop-and-waste drain valves where indicated. J. Balancing Valves: Install in each hot-water circulation return branch, discharge side of each pump and circulator, and where indicated SOLDERED CONNECTIONS A. Cut tube square and to exact lengths. B. Clean end of tube to depth of valve socket with steel wool, sand cloth, or a steel wire brush to a bright finish. Clean valve socket. PAGE 6 FILE: CFRST-General Duty Valves For Plumbing Piping.doc CFRST SPECMSTR-NEW BUILD 2013, Marriott International, Inc.

7 C. Apply proper soldering flux in an even coat to inside of valve socket and outside of tube. D. Open gate and globe valves to fully open position. E. Remove the cap and disc holder of swing check valves having composition discs. F. Insert tube into valve socket, making sure the end rests against the shoulder inside valve. Rotate tube or valve slightly to ensure even distribution of the flux. G. Apply heat evenly to outside of valve around joint until solder melts on contact. Feed solder until it completely fills the joint around tube. Avoid hot spots or overheating valve. Once the solder starts cooling, remove excess amounts around the joint with a cloth or brush THREADED CONNECTIONS A. Note the internal length of threads in valve ends and proximity of valve internal seat or wall to determine how far pipe should be threaded into valve. B. Align threads at point of assembly. C. Apply appropriate tape or thread compound to the external pipe threads, except where dry seal threading is specified. D. Assemble joint, wrench tight. Wrench on valve shall be on the valve end into which the pipe is being threaded FLANGED CONNECTIONS A. Align flange surfaces parallel. B. Assemble joints by sequencing bolt tightening to make initial contact of flanges and gaskets as flat and parallel as possible. Use suitable lubricants on bolt threads. Tighten bolts gradually and uniformly with a torque wrench. C. For dead-end service, butterfly valves require flanges both upstream and downstream for proper shutoff and retention VALVE END SELECTION A. Select valves with the following ends or types of pipe/tube connections: 1. Copper Tube Size, 2-1/2 Inches (DN65) and Smaller: Solder ends. 2. Steel Pipe Sizes, 2-1/2 Inches (DN65) and Smaller: Threaded or grooved end. 3. Steel Pipe Sizes, 3 Inches (DN80) and Larger: Grooved end or flanged APPLICATION SCHEDULE A. General Application: Use gate and ball, valves for shutoff duty; globe and ball for throttling duty. Refer to piping system Specification Sections for specific valve applications and arrangements. B. Domestic Water Systems: Use the following valve types: 1. Ball Valves: Class 150, 600-psi CWP, with stem extension. C. Domestic Hot Water Recirculation Systems: Use the following valve types: 3.08 ADJUSTING 1. Balancing Valves: Automatic or adjustable Ball valves with readout ports. A. Adjust or replace packing after piping systems have been tested and put into service, but before final adjusting and balancing. Replace valves if leak persists. END OF SECTION PAGE 7

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