Civacon 633LVB Vapor Adapters

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Product Type:
4 in. TTMA Flange x 4 in. Adapter
4.00 LBS
$334.94 - $434.87
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Civacon's 633LVB high-flow, low pressure drop poppeted vapor recovery fitting permits simultaneous multiple compartment loading at +1000GPM without exceeding the pressure rating of the PV vents. The same high-flow design delivers faster unloading, too.


  • High flow rate/low pressure drop design affords faster loading
  • One sight glass, along with a 3/4" pipe plug, facilitate easy detection and draining of liquids in case of accidental overfill
  • Proper vapor collection - with superior flow characteristics - means vents are less likely to pop open from compartment back pressure. As a result, there's less chance of vapor loss to the atmosphere
  • Also available with model 301 Air Interlock Valve
  • Drilled mounting pad for optional air interlock valve