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DAV-P-A – Dorot Air Valve-Plastic-Automatic Function

DAV-P-A – Dorot Air Valve-Plastic-Automatic Function

Overview

The valve is designed for an efficient release of entrapped air from the pipeline, while the network is at normal working pressure. Due to the relatively large orifice, compare to other Automatic valves in the market, it can also release the air through initial filling of a small-diameter pipe, or admit air into it while it is drained.

Features & Advantages

  • An Automatic air valve, that enables the release of dissolved air that accumulate in the pipeline.
  • The valve will release the air at normal operation pressures of the pipeline.
  • The Float is made of naturally-buoyant material (specific weight lower than 1). The float activates a sealing stripe, that closes the outlet when the water will fill the valve body.
  • On accumulation of air in the valve, loss of buoyancy causes the float to drop and to pull the strip, thus opening of the air outlet.
  • The Hydraulic sealing of the orifice will provides a drip-tight closure at a pressure of 2mwc (3psi).

Technical Specifications

  • Operating pressure 0.1 bar / 1.5 psi to 16 bar / 230 psi
  • Maximal water temp. for continuous operation: 60°C / 140°F
  • Maximal water temp. for intermittent operation: 80°C / 175°F
  • 1/2”, 3/4”, 1” BSP or NPT threaded base - as per the customer’s choice
  • Structure materials: Cover: GRP (UV resistant), Base: GRP or Brass
  • Internal parts: corrosion resistant, reinforced plastic materials and synthetic rubber
  • The  valve allows the discharge of 40 m3/h / 24 CFM of air at pipe pressure of 6 bar / 90 psi
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