Envco – Environmental Equipment

The Industry Standard Locking Well Cap!

All monitoring wells must be fitted with a locking well cap to prevent tampering and introduction of foreign objects and substances into the well.

The ½” - 5” orange locking Nylon expansion plug is well known, an inexpensive watertight locking plug created with integrity.

Ordering Information
Chemical Resistance and Marked with API Warning Symbol

TORQUE .5 Watertight Locking Plug Fits 1/2” SCH #40 & #80 PIPE.
TORQUE .75 Watertight Locking Plug Fits 3/4" SCH #40
TORQUE .75-80 Watertight Locking Plug Fits 3/4" SCH #80

TORQUE 1 Watertight Locking Plug Fits 1” SCH #40 & #80
TORQUE 1.25 Watertight Locking Plug Fits 1 1/4" SCH #40 & #80
TORQUE 1.5 Watertight Locking Plug Fits 1 1/2" SCH #40 & #80

TORQUE 2 Watertight Locking Plug Fits 2”SCH #40
TORQUE 2-80 Watertight Locking Plug Fits 2” SCH #80
TORQUE 2.5 Watertight Locking Plug Fits 2.5" SCH #40 & #80

TORQUE 3 Watertight Locking Plug Fits 3”SCH #40 & #80
TORQUE 4 Watertight Locking Plug Fits 4”SCH #40
TORQUE 4-80 Watertight Locking Plug Fits 4"SCH # 80
TORQUE 5 Watertight Locking Plug Fits 5” SCH #40 & #80