Search results with tag "Water hammer"
CHAPTER 6 WATER SUPPLY AND DISTRIBUTION
www.ecodes.bizwater hammer. A water-hammer arrestor shall be installed where quick-closing valves are utilized. Water-hammer arrestors shall be installed in accordance with the manufac-turer’s specifications. Water-hammer arrestors shall conform to ASSE 1010. 604.10 Gridded and parallel water …
Backflow Prevention Devices, Water Hammer Arresters, …
www.nyc.gov§20-04 Backflow Prevention Devices, Water Hammer Arresters, Pumps and Separation Valves. (a) Backflow prevention devices. Reduced Pressure Zone devices (RPZ's) and Double Check Valve Assemblies are backflow prevention devices. Backflow prevention devices shall be installed to
Typical Branch Line - Welcome Watts Water …
media.wattswater.comSizing and Placement As shown above, it has been established that the preferred location for the water hammer arrestor is at the end of the branch line between
Engineering & Expertise Transient analysis - Xylem …
www.xylemwatersolutions.com3 Hydraulic transient analysis: Preventing water hammer intrODUCtiOn Reliable low-cost, high-efficiency operation By calculating the pressure profile and the force of
BY JOHN V. BALLUN - Val-Matic Valve & Mfg
www.valmatic.comBALLUN | PEER-REVIEWED | 99:3 † JOURNAL AWWA | MARCH 2007 61 pipe caused by the water hammer. Even a resilient-seated check …
Water hammer arrestors Series APW, CAW, WAM
www.wattsindustries.comWATER HAMMER ARRESTORS 3 Water hammer arrestors of the APW and CAW series are tested for a life cycle equal to 500,000 damping actions. Water hammer arrestors of the APW e CAW series consist of a sealed copper cylinder containing compressed air and a sliding piston with double EPDM seal.
Water Hammer - KSB
www.ksb.com• Buckling of plastic and thin-walled steel pipes • Disintegration of the cement lining of pipes • Dirty water or air being drawn into pipelines through flanged or socket connections, gland packing or leaks • Water column separation followed by high increases in pressure when the separate liquid columns recombine (macro-cavitation) 3.1 ...