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Figure Number: 5201-5250
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5201-5250Piston Type Water Hammer Arrestors

Available in multiple connection sizes and capacities, these water hammer arrestors control shock pressure in water lines from surges during quick valve closures. They are installed in hot and cold water lines in a 2" x 4" (50.8 x 101.6 mm) space in new construction or renovation or at any angle to accommodate structural limitations. Maintenance free once installed, they are delivered factory charged and are perfect for placement in office, institutional and public buildings.

Figures 5201, 5205, 5210, 5220, 5230, 5240, 5250 feature Male Threaded Inlets (NPT); Figures 5201-SC, 5205-SC, 5210-SC, 5220-SC, 5230-SC, 5240-SC, 5250-SC feature Male Sweat Connections

INSTALLATION:
The piston unit can be installed in new construction or renovation/remodel. It can be installed at any angle to accommodate structural limitations, and should be placed as close to the shut-off valve as possible, one on each hot and cold line. The piston unit is seamless, factory charged with nitrogen and is maintenance free and does not require access panels. It cannot be charged in the field.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Learn More about this warning
Shows specifications for standard configuration. Configuration options may change specifications.
  • Product Type
    Water Hammer Arrester
SubmittalSubmittal 5201-5250 Water Hammer Arresters (pdf)
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  • 5201 Threaded Connection 1/2" IPS
    (Sizing Symbol AA – 1 to 3 Fixture Unit Capacity)
  • 5205 Threaded Connection 1/2" IPS
    (Sizing Symbol A – 4 to 11 Fixture Unit Capacity)
  • 5210 Threaded Connection 3/4" IPS (Sizing Symbol B – 12 to 32 Fixture Unit Capacity)
  • 5220 Threaded Connection 1" IPS (Sizing Symbol C – 33 to 60 Fixture Unit Capacity)
  • 5230 Threaded Connection 1 1/4" IPS (Sizing Symbol D – 61 to 113 Fixture Unit Capacity)
  • 5240 Threaded Connection 1 1/2" IPS (Sizing Symbol E – 114 to 154 Fixture Unit Capacity)
  • 5250 Threaded Connection 2" IPS (Sizing Symbol F – 155 to 330 Fixture Unit Capacity)
  • 5201-SC Sweat Connection 1/2" IPS
    (Sizing Symbol AA – 1 to 3 Fixture Unit Capacity)
  • 5205-SC Sweat Connection 1/2" IPS
    (Sizing Symbol A – 4 to 11 Fixture Unit Capacity)
  • 5210-SC Sweat Connection 3/4" IPS (Sizing Symbol B – 12 to 32 Fixture Unit Capacity)
  • 5220-SC Sweat Connection 1" IPS (Sizing Symbol C – 33 to 60 Fixture Unit Capacity)
  • 5230-SC Sweat Connection 1 1/4" IPS (Sizing Symbol D – 61 to 113 Fixture Unit Capacity)
  • 5240-SC Sweat Connection 1 1/2" IPS (Sizing Symbol E – 114 to 154 Fixture Unit Capacity)
  • 5250-SC Sweat Connection 2" IPS (Sizing Symbol F – 155 to 330 Fixture Unit Capacity)