ANTI-SYPHON VALVE

ANTI-SYPHON VALVE

Code:
ANTI-SYPHON VALVE

APPLICATION

  • This anti-syphon valve is designed to prevent product syphoning in an aboveground storage tank and to stop the fuel leaking in case of a break in the pipework, thus preventing environmental pollution and
  • fire hazards.
  • The valve is only intended for installation on top of aboveground tanks. The springs are used for hydrostatic
  • heads: 1-5’, 6-10’, 11-15’ or 16-20’ (1,5, 3, 4,5, 6 meters)

INSTALLATION AND ADJUSTMENT

  • the valve is installed at the highest point of the tank, normally on the manhole cover.
  • First be aware that the system is drained.
  • Determine the height of the system and the correct spring to use (see Color Spring Instructions below).
  • Once the correct spring is selected place it over poppet shaft. 
  • Apply sealant to the threads including the covering plug.
  • While screwing the plug be careful to put brass poppet guide over poppet shaft while tightening down.
  • Tighten with pipe wrench after making sure that an airtight seal has been reached.
  • Do not overtighten.

MAINTENANCE

  • Where working conditions may require it, the valves should be inspected periodically.
  • Remove dirt particles where present. If the poppet seems to be damaged or pitted it has to be replaced by a new one together with the gasket.
Grouped product items
Product NamePriceQty
40mm Anti Syphon Valve40mm Anti Syphon Valve

Code: ASV40

$278.47
50mm Anti Syphon Valve50mm Anti Syphon Valve

Code: ASV50

$325.70
25mm Anti syphon valve25mm Anti syphon valve

Code: ASV25

$249.42

APPLICATION

  • This anti-syphon valve is designed to prevent product syphoning in an aboveground storage tank and to stop the fuel leaking in case of a break in the pipework, thus preventing environmental pollution and
  • fire hazards.
  • The valve is only intended for installation on top of aboveground tanks. The springs are used for hydrostatic
  • heads: 1-5’, 6-10’, 11-15’ or 16-20’ (1,5, 3, 4,5, 6 meters)

INSTALLATION AND ADJUSTMENT

  • the valve is installed at the highest point of the tank, normally on the manhole cover.
  • First be aware that the system is drained.
  • Determine the height of the system and the correct spring to use (see Color Spring Instructions below).
  • Once the correct spring is selected place it over poppet shaft. 
  • Apply sealant to the threads including the covering plug.
  • While screwing the plug be careful to put brass poppet guide over poppet shaft while tightening down.
  • Tighten with pipe wrench after making sure that an airtight seal has been reached.
  • Do not overtighten.

MAINTENANCE

  • Where working conditions may require it, the valves should be inspected periodically.
  • Remove dirt particles where present. If the poppet seems to be damaged or pitted it has to be replaced by a new one together with the gasket.
ANTI-SYPHON VALVE
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