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' G. Unions: ASME B16.39, malleable iron, Class 150, hexagonal stock, with ball-and-socket joints, metal-to-metal
<br /> bronze seating surfaces,female threaded ends. Threads shall conform to ASME B 1.20.1.
<br /> H. Dielectric Unions: Threaded, solder, or grooved-end connections as required to suit application; constructed to
<br /> ' isolate dissimilar metals,prevent galvanic action,and prevent corrosion.
<br /> I. Flexible Connectors: Stainless-steel bellows with woven, flexible, bronze wire reinforced protective jacket;
<br /> ' minimum 150 psig working pressure,maximum 250 deg F operating temperature. Connectors shall have flanged or
<br /> threaded-end connections to match equipment connected and shall be capable of 3/4-inch misalignment.
<br /> ' 2.04 JOINING MATERIALS
<br /> A. Solder Filler Metal: ASTM B 32,95-5 Tin-Antimony.
<br /> ' B. Brazing Filler Metals: AWS A5.8,BCuP Series.
<br /> C. Gasket Material: Thickness, material, and type suitable for fluid to be handled and design temperatures and
<br /> ' pressures.
<br /> 2.05 GENERAL-DUTY VALVES
<br /> ' A. General-duty valves(i.e.,gate,globe, check,ball,and butterfly valves)are specified in Division 15 Section 15100
<br /> "Valves." Special duty valves are specified below by their generic name; refer to Part 3 Article "Valve
<br /> Application"for specific uses and applications for each valve specified.
<br /> ' 2.06 SPECIAL DUTY VALVES
<br /> A. Balance Cocks: 400 PSI WOG, 2 piece, ball valve, handle, memory stop, with threaded-end connections
<br /> ' conforming to ASME B 1.20.1.
<br /> B. Balance Cocks: 400 psi WOG,2 piece bronze,ball valve,handle,memory stop,with solder-end connections.
<br /> ' 2.07 PIPING SPECIALTIES
<br /> A. Water Hammer Arresters: Bellows type,with stainless steel casing and bellows,pressure rated for 250 psi,tested
<br /> and certified in accordance with PDI Standard WH-201.
<br /> B. Basket Strainers: Cast-iron body, 125 psi flanges, bolted-type or yoke-type cover with removable noncorrosive
<br /> perforated strainer basket having 1/8-inch perforations and lift-out handle.
<br /> C. Hose Connections: Hose connections shall have garden hose thread outlets conforming to ASME B 1.20.7.
<br /> D. Hose Bibbs: Bronze body with chrome- or nickel-plated finish, with renewable composition disc, wheel handle,
<br /> 1/2-or 3/4-inch solder inlet,hose outlet.
<br /> ' E. Recessed Nonfreeze Wall Hydrants: Cast-bronze box, with chrome plated face, tee handle key, vacuum breaker,
<br /> hinged locking cover,3/4-inch inlet,and hose outlet. Bronze casing shall be length to suit wall thickness.
<br /> F. Projecting Nonfreeze Wall Hydrants: Cast-bronze, with chrome-plated face,tee handle key,vacuum breaker, 3/4-
<br /> inch inlet,and hose outlet. Bronze casing shall be length to suit wall thickness.
<br /> G. Vacuum Breakers: Hose connection vacuum breakers shall conform to ASSE Standard 1011,with finish to match
<br /> hose connection.
<br /> ' 15411-5 No.99132-CP2
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