Caps, Plugs & Bungs

To complement our range of PVC and HDPE pipe and casing we provide a wide range of sealing and monitoring caps which provide simple, safe and easy borehole access.

Together with our range of security covers these ensure the highest degree of borehole integrity, avoiding the risk of contamination which is essential for environmental monitoring wells.

Push on Caps (with or without Gas Valves)
19mm - 630mm
Push in Plugs (with or without Gas Valves)
19mm - 630mm
Threaded Caps & Plugs (available with O rings)
Male & Female sizes availables
Rubber Bungs (with or without Gas Valves)
19mm - 100mm
Torquer Well Locking Plugs
2" & 4" with other sizes available to order


  • Sealing borehole tops
  • Gas sampling
  • Water sampling


  • PVC, HDPE, MDPE & Rubber
  • Threaded
  • Push Fit
  • Push Fit with O Ring
  • Single or Multiple Valve
  • Custom made