A. This Section includes the following general-duty valves: 1. Division 15 Section "Mechanical Identification" for valve tags and charts.

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1 D-9 OUTLINE SPECIFICATION FOR HTHW VALVES PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. 1.2 SUMMARY A. This Section includes the following general-duty valves: 1. Triple Offset Rotary Valves. 2. Cast Steel Gate Valves. 3. Cast Steel Globe Valves. 4. Cast Steel Check Valves. 5. Forged Steel Gate Valves. 6. Forged Steel Globe Valves. 7. Forged Steel Check Valves. 8. Ferrous-alloy Ball Valves 9. Stainless Steel Check Valves 10. Barstock Valves. B. Related Sections include the following: 1. Division 15 Section "Mechanical Identification" for valve tags and charts. 1.3 DEFINITIONS A. The following are standard abbreviations for valves: 1. CWP: Cold working pressure. 2. SWP: Steam working pressure. 1.4 SUBMITTALS A. Product Data: For each type of valve indicated. Include body, seating, and trim materials; valve design; pressure and temperature classifications; end connections; arrangement; dimensions; and required clearances. Include list indicating valve and its application. Include rated capacities; shipping, installed, and operating weights; furnished specialties; and accessories. OUTLINE SPECIFICATIONS FOR HTHW VALVES D-9.1

2 1.5 QUALITY ASSURANCE A. ASME Compliance: ASME B31.1 for power piping valves. B. ASME Compliance for Ferrous Valves: ASME B16.10 and ASME B16.34 for dimension and design criteria. C. ANSI Compliance: ANSI B16.5 Steel pipe flanges and flange fittings. D. MSS Compliance: MSS-SP-25 Standard marking systems for valves. E. MSS Compliance: MSS-SP-55 Quality standard for steel casting. F. MSS Compliance: MSS-SP-61 Pressure testing of steel valves. G. MSS Compliance: MSS-SP-67 Butterfly valves. H. MSS Compliance: MSS-SP-68 High pressure offset disc butterfly valves 1.6 DELIVERY, STORAGE, AND HANDLING A. Prepare valves for shipping as follows: 1. Protect internal parts against rust and corrosion. 2. Protect threads, flange faces, and weld 3. Set angle, gate, and globe valves closed to prevent rattling. 4. Set ball and plug valves open to minimize exposure of functional surfaces. 5. Set butterfly valves closed or slightly open. 6. Block check valves in either closed or open position. B. Use the following precautions during storage: 1. Maintain valve end protection. 2. Store valves indoors and maintain at higher than ambient dew-point temperature. If outdoor storage is necessary, store valves off the ground in watertight enclosures. C. Use sling to handle large valves; rig sling to avoid damage to exposed parts. Do not use handwheels or stems as lifting or rigging points. OUTLINE SPECIFICATIONS FOR HTHW VALVES D-9.2

3 PART 2 - PRODUCTS 2.1 MANUFACTURERS A. In other Part 2 articles where subparagraph titles below introduce lists, the following requirements apply for product selection: 1. Available Manufacturers: Subject to compliance with requirements, manufac-turers offering products that may be incorporated into the Work include, but are not limited to, the manufacturers specified. 2. Manufacturers: Subject to compliance with requirements, provide products by the manufacturers specified. 2.2 VALVES, GENERAL A. Refer to Part 3 "Valve Applications" Article for applications of valves. B. Ferrous Valves: NPS 2-1/2 and larger with butt-weld ends, unless otherwise indicated. C. Valve Pressure and Temperature Ratings: Not less than indicated and as required for system pressures and temperatures. D. Valve Sizes: Same as upstream pipe, unless otherwise indicated. E. Valve Actuators: 1. Gear Drive: For quarter-turn valves NPS 8 and larger. 2. Handwheel: For valves other than quarter-turn types. F. Valve Bypass and Drain Connections: MSS SP TRIPLE OFFSET ROTARY VALVES 1. Triple Offset Rotary Valves: a. Vanessa (Owner Preferred) b. Adams B. Class 300 cast or fabricated carbon steel body. Valve design shall comply with ANSI B Tripple offset design, guided adjustable packing box, nonrubbing resilient metal to metal seat with bi-directional bubletight shutoff. Valves shall have a turndown ratio of 100 to 1. Furnish valves with the following: OUTLINE SPECIFICATIONS FOR HTHW VALVES D-9.3

4 1. Body: ASTM A216, Grade WCB with cobalt based hard facing. 2. Disc: ASTM A351, Grade CF8M stainless steel. 3. Disc Seals: Torque seated elliptical seating systems with field replaceable laminated stainless steel and graphite seal. 4. Seal Retainer Ring: ASTM A240 type 316 stainless steel. 5. Shaft: ASTM A479 type XM Packing Material: Die formed graphite rings with braided graphite end rings. 7. End Connections: Butt-weld. 8. Operator: Bevel gear drive with handwheel. 9. Drain and Bypass Connections: In accordance with MSS SP-45 with forged steel globe valve as specified under paragraph Forged Steel Valves. 2.4 CAST STEEL GATE VALVES 1. Cast Steel Gate Valves: a. DSI, ZY Tech Glogal Industries b. Newco c. Velan B. Class 300 Cast steel body complying with ANSI/ASME B Valve design shall be outside screw and yoke, bolted bonnet, rising stem, yoke sleeves with anti-friction bearings, flexible wedge, and threaded (renewable) seats. Furnish valves with the follows: 1. Body and Bonnet: Carbon steel, ASTM A216, Grade WCB. 2. Seating Trim: 13% chromium stainless steel to cobalt based hard facing. 3. Packing Material: Flexible graphite rings with braided graphite end rings and zinc corrosion inhibitor. 4. End Connections: a. Butt-Weld 5. Operator: Malleable Iron Handwheel. 6. Drain and Bypass Connections: In accordance with MSS SP-45 and the Valve Schedule on the drawings with forged steel globe valve as specified under paragraph Forged Steel Valves. 2.5 CAST STEEL GLOBE VALVES 1. Cast Steel Globe Valves: a. DSI, ZY Tech Glogal Industries b. Newco c. Velan OUTLINE SPECIFICATIONS FOR HTHW VALVES D-9.4

5 B. Class 300 Cast steel body complying with ANSI/ASME B Valve design shall be straight pattern, outside screw and yoke, bolted bonnet, rising stem, yoke sleeves with anti-friction bearings, and threaded seats. Furnish valves with the follows: 1. Body and Bonnet: Carbon steel, ASTM A216, Grade WCB. 2. Seating Trim: 13% chromium stainless steel to cobalt based hard facing. 3. Packing Material: Flexible graphite rings with braided graphite end rings and zinc corrosion inhibitor. 4. End Connections: a. Butt-Weld 5. Operator: Malleable Iron Handwheel. 6. Drain and Bypass Connections: In accordance with MSS SP-45 and the Valve Scheduel on the drawings with forged steel globe valve as specified under paragraph Forged Steel Valves. 2.6 CAST STEEL CHECK VALVES 1. Cast Steel Globe Valves: a. DSI, ZY Tech Glogal Industries b. Newco c. Velan B. Class 300 Cast steel body complying with ANSI/ASME B Valve design shall be bolted cover, threaded (renewable) seats, and renewable hinge pin with threaded caps and locking devices. Valves shall be of the swing disc design. Furnish valves with the follows: 1. Body and Bonnet: Carbon steel, ASTM A216, Grade WCB. 2. Seating Trim: 13% chromium stainless steel to cobalt based hard facing. 3. End Connections: a. Butt-weld. 2.7 FORGED STEEL GATE VALVES 1. Forged Steel Globe Valves: a. Anvil b. Bonney Forge c. Newco d. RP&C Valve e. Smith f. Velan g. Vogt OUTLINE SPECIFICATIONS FOR HTHW VALVES D-9.5

6 B. Forged Steel Gate Valves: Class 800 forged steel body. Valve design shall be conventional port, outside screw and yoke, bolted bonnet, rising stem, solid wedge, and threaded (renewable) seats. Furnish valves with the following trim: 1. Body: Low carbon steel, ASTM A Seating Trim: 13% Chrome stainless steel to cobalt based hard facing. 3. Packing Material: Graphite with braided graphite end rings and zinc corrosion inhibitor. 4. End Connections: a. Socket Weld. 5. Operator: Malleable iron handwheel, ASTM A FORGED STEEL GLOBE VALVES 1. Forged Steel Globe Valves: a. Anvil b. Bonney Forge c. Newco d. RP&C Valve e. Smith f. Velan g. Vogt B. Forged Steel Globe Valves: Class 800 forged steel body. Valve design shall be straight or y-pattern, conventional port, outside screw and yoke, bolted bonnet, rising stem, solid wedge, and renewable seats. Furnish valves with the following trim: 1. Body: Low carbon steel, ASTM A Trim: 13% Chrome stainless steel to cobalt based hard facing. 3. Packing Material: Graphite with braided graphite end rings and zinc corrosion inhibitor. 4. End Connections: a. Screwed, complying with ASME B Operator: Malleable iron handwheel, ASTM A BARSTOCK VALVES 1. Forged Steel Globe Valves: a. RP&C Valve OUTLINE SPECIFICATIONS FOR HTHW VALVES D-9.6

7 B. Globe and Angle Valves (1/8 through 1 ): Class 2500 body, machined from barstock, backseat design with lock bonnet and lock shield and key. 1. Body & Bonnett: ASTM A582, Grade 416 Stainless Steel. 2. Stem: ASTM A276 Grade 316 Stainless Steel. 3. Packing: Graphite. 4. End Connections: Socket Weld. 5. Handwheel: Malleable iron handwheel, ASTM A FERROUS-ALLOY BALL VALVES A. Available Manufacturers: B. Manufacturers: 1. Conbraco Industries, Inc.; Apollo Div. C. Ferrous-Alloy Ball Valves, General: MSS SP-72, with screwed ends for 2 and smaller, flanged ends for 2-1/2 and larger. D. Ferrous-Alloy Ball Valves: Class 250, full port designed for 250 PSIG saturated steam complying with Federal Specification WW-V-35C, Type II, Composition CS, Style 3. E. Materials of Construction: ASTM A105 forged carbon steel body, ASTM A276 nitrided type 316 stainless steel ball and stem, MTFE stem packing and body seal, RPTFE seat and stem bearing, zinc plated steel lever handle and nut with vinyl grip. F. Features: Adjustable packing gland, blow-out proof stem, raised handle stops, 2.11 STAINLESS STEEL CHECK VALVES A. Available Manufacturers: B. Manufacturers: 1. Stainless Steel Check Valves: a. Durabla. b. Mueller. c. Armstrong. C. Stainless Steel Check Valves, General: In-line spring loaded design with metalto metal seats suitable for 250 psig saturated steam. OUTLINE SPECIFICATIONS FOR HTHW VALVES D-9.7

8 D. Construction: Type 316 stainless steel body, guard cage, retaining ring, and disc; inconel X-750 spring. Connections shall be threaded. PART 3 - EXECUTION 3.1 EXAMINATION A. Examine piping system for compliance with requirements for installation tolerances and other conditions affecting performance. 1. Proceed with installation only after 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 in positions from fully open to fully closed. Examine guides and seats made accessible by such operations. D. Do not attempt to repair defective valves; replace with new valves. 3.2 VALVE APPLICATIONS A. Refer the Valve Schedule for specific valve applications. If valve applications are not indicated, use the following: 1. Shutoff Service: Gate, or triple offset rotary valves. 2. Throttling Service: Globe or triple offset rotary valves. 3. Pump Discharge: Swing check valves. B. If valves with specified SWP classes or CWP ratings are not available, the same types of valves with higher SWP class or CWP ratings may be substituted. C. High Temperature Hot Water Piping: Use the following types of valves: 1. Swing Check Valves, NPS 2 and Smaller: Class 800 forged steel, socketwelded 2. Swing Check Valves, NPS 2-1/2 and Larger: Class 300 cast steel, buttwelded 3. Gate Valves, NPS 2 and Smaller: Class 800 forged steel, socket-welded 4. Gate Valves, NPS 2-1/2 and Larger: Class 300 cast steel, butt-welded 5. Globe Valves, NPS 2 and Smaller: Class 800 forged steel, socket-welded 6. Globe Valves, NPS 2-1/2 and Larger: Class 300 cast steel, butt-welded OUTLINE SPECIFICATIONS FOR HTHW VALVES D-9.8

9 7. Triple Offset Rotary Valves: Class 300 cast steel, butt-welded D. High-Pressure Steam Piping: Use the following types of valves: 1. High-Pressure Butterfly Valves, NPS 3 (DN 80) and Larger: Singleflange, Class Check Valves, NPS 2-1/2 (DN 65) and Smaller: Class 250, stainless steel. 3. Gate Valves, NPS 2 (DN 50) and Smaller: Class 300, forged steel. 4. Globe Valves, NPS 2 (DN 50) and Smaller: Class 300, forged steel. 5. Globe Valves, NPS 2-1/2 (DN 65) and Larger: Class 300, cast steel. E. Steam Condensate Piping: Use the following types of valves: 1. Ball Valves, NPS 2 (DN 50) and Smaller: Two-piece, Class 250-psig, ferrous alloy. 2. Ball Valves, NPS 2-1/2 (DN 65) and Larger: Two-piece, Class 250-psig, ferrous alloy. 3. High-Pressure Butterfly Valves, NPS 2-1/2 (DN 65) and Larger: Singleflange, Class Swing Check Valves, NPS 2-1/2 (DN 65) and Smaller: Class 250, stainless steel. 5. Gate Valves, NPS 2 (DN 50) and Smaller: Class 300, forged steel. F. Select valves, except flangeless types, with the following end connections: 1. For Steel Piping, NPS 2 and Smaller: [Threaded or ]Socket-welded ends shall be used for all high temperature hot water applications. 2. For Steel Piping, NPS 2-1/2 to NPS 4: [Flanged or ]Butt-welded ends shall be used for all high temperature hot water applications. 3. For Steel Piping, NPS 5 and Larger: [Flanged or ]Butt-welded ends shall be used for all high temperature hot water applications. 3.3 VALVE INSTALLATION A. Piping installation requirements are specified in other Division 15 Sections. Drawings indicate general arrangement of piping, fittings, and specialties. B. Install valves at each piece of equipment arranged to allow service, maintenance, and equipment removal without system shutdown. C. Locate valves for easy access and provide separate support where necessary. D. Install valves in horizontal piping with stem at or above center of pipe. E. Install valves in position to allow full stem movement. F. Install check valves for proper direction of flow and as follows: 1. Swing Check Valves: In horizontal position with hinge pin level. OUTLINE SPECIFICATIONS FOR HTHW VALVES D-9.9

10 3.4 JOINT CONSTRUCTION A. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for basic piping joint construction. 3.5 ADJUSTING A. Adjust or replace valve packing after piping systems have been tested and put into service but before final adjusting and balancing. Replace valves if persistent leaking occurs. OUTLINE SPECIFICATIONS FOR HTHW VALVES D-9.10

1.2 REFERENCES.1 American National Standards Institute (ANSI)/American Society of Mechanical Engineers (ASME)

Issued 2005/06/01 Section 15113 Valves Cast Steel: Gate, Globe, Check, Ball Page 1 of 5 PART 1 GENERAL 1.1 RELATED SECTIONS.1 Section 01355 Waste Management and Disposal 1.2 REFERENCES.1 American National