QED Environmental Systems is the leading manufacturer of innovative environmental products.
For over 35 years their expertise has included Pumping Systems, Landfill Products, and Air Strippers.

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Well Caps - Overview



Vacuum seal well cap with brass quick connects, filter regulator and pump cycle counter

Well Caps

Hundreds of wellhead cap and flange combinations are available from QED on a standard and custom basis to fit site needs and ease installation and service. Common features include quick-connect fittings, sealing versions for use with vacuum extraction, well access ports for level or other uses, and means for adjusting the pump level. Our cap assemblies are based on our 20 years of experience and thousands of installations, call QED for more detailed information and guidance on the best cap choice for your project.

Barb fittings on slip cap (no vacuum). Barb fitting available in brass or stainless steel

Barb Fitting on Slip Cap

Quick connect fitting available in brass or stainless steel

Quick Connect Fitting

Compression fitting for pass-through hose or tubing. Available in nylon

Compression Fitting

Custom flange

Custom Flange

pdfFree Product Recovery catalog8.45 MB


  • Easy assembly with leak-tight connections.
  • Unmatched range of connector fittings to make installation and maintenance easier and more efficient.