of the tubing, the power rating of the pressure source (e.g., air compressor or compressed gas), and controller box ability to apply sufficient force of gas at depth. once the bladder is empty, the gas pressure relaxed and the check valve opens again, restarting the process. this sampling process is not...
of the tubing, the power rating of the pressure source (e.g., air compressor or compressed gas), and controller box ability to apply sufficient force of gas at depth. once the bladder is empty, the gas pressure relaxed and the check valve opens again, restarting the process. this sampling process is not...