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Double union ball-check valves are one-way non-return valves that should always be installed in a near-vertical orientation
Flexible Connector BS4504
Made to BS5433 standards
for Gravity or Pumped
ARI Air & Vacuum Valve Size:2" Female Double union ball-check valves areAir Air Valve Tech Sheet The AV 010 Air & Vacuum Valve discharges air at high flow rates during the filling of the system and admits air at high flow rates during drainage , pump shut off or at water column separation. Working pressure range: 0. 2 10 bar Testing pressure: 16 bar Drip tight sealing at low pressure. All parts are UV protected. Lightweight, small dimensions, simple and reliable structure.
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