Where do we use a locking plug?

Locking plugs and connectors are mainly used by construction workers, contractors, welders and more.

What is the maximum back pressure of these Cherne Monitor Well Locking plugs?

These Monitor Well Locking plugs can withstand a maximum back pressure of 6.5 PSI (0.45 bar).

These plugs are available in nominal sizes ranging from 1 to 8 inches.

Cherne Monitor Well Locking plugs offer a high-quality, petro-chemical resistant design to seal monitor wells.

Filter

Style	Model	For Pipe Size	For Minimum Pipe Inside Diameter	For Maximum Pipe Inside Diameter	Nominal Size	Range	Height	Plug Length	Head Type	Price
A	271648	1", 1 1/2"	1"	1.38"	1" to 1.25"	1" to 1.38"	2 1/2"	2 1/2"	Lockable Handle	€30.66
B	271675	2"	1.9"	2.31"	2"	1.9" to 2.31"	2 1/2"	2 1/2"	Lockable Handle	€36.89
A	271669	3"	2 4/5"	3.1"	3"	2.8" to 3.1"	2 3/5"	2 3/5"	Lockable Handle	€40.59
C	271683	4"	3 4/5"	4.38"	4"	3.8" to 4.38"	3"	3"	Lockable Handle	€44.69
A	271691	6"	5.77"	6 2/25"	6"	5.77" to 6.08"	3.98"	3.98"	Lockable Handle	€98.79
A	271735	8"	7 19/25"	8.03"	8"	7.76" to 8.03"	3.98"	3.98"	Lockable Handle	€222.45

Cherne Monitor Well locking plugs are sized to seal schedule 40 piping.
They feature chemical / petroleum-resistant Estaloc plastic bottom and top plates.
They have a yellow chromate-coated locking latch that accepts Cherne's solid brass padlock or No. 2 Master padlock.
They feature a petroleum-resistant nitrile O-ring and stainless steel carriage bolt.