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TANK LEVEL ALARM
TANK VENT CAP

The PLASTIC MUSHROOM STYLE TANK VENT CAP, or tank breather cap, keeps out debris, insects, seeds, and rain while allowing tanks to properly vent. All plastic construction is corrosion proof.

QUICK SPECIFICATIONS

  • Material (housing)...................................PVC, schedule 40
  • Screen mesh material............................ polypropylene
  • Screen mesh size (2" and smaller).........17x17 mesh
  • Screen mesh size (3-6")..........................10 x 10 mesh
  • Screen mesh size (8").............................perforated 0.125" PVC sheet, 0.125" dia. holes
  • Open area................................................40% (all sizes)
  • Maximum temerature..............................150F (65C)
Tank alarm OPTIONS
Mesh SIZE SCALE
Tank alarm OPTIONS
PVCpipesizes

STANDARD PIPE SIZE CHART

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Tank alarm OPTIONS

 

 

 

 

MODELS & DIMENSIONS Download

 

 

 

 

 

 

 

 

SLIP COUPLING DIMS. Download

 

 

 

 

 

 

 

 

MALE TERMINAL DIMS. Download

 

 

 

 

 

 

 

 

PVC FITTING CERT. Download

 

 

 

 

 

 

 

 

FEMALE ADAPTER DIMS. Download

 

 

 

 

 

 

 

 

CAP CERTIFICATION Download

 

 

 

 

Tank alarm OPTIONS

How much air flow the vent caps are capable of, is a common question. The answer is that there is no real limit to the amount of flow through the vent caps, but as the flow increases, the back-pressure created increases. (like a valve or elbow) So the real question becomes: how much back pressure will your system tolerate at the maximum anticipated air flow rate? The relationships are described in the chart below.

Vent Cap Pressure Drop

AIR FLOW CURVES FOR VARIOUS PIPE SIZE

Questions?

Phone 585-301-0970
email: peter@drumalarm.com

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