This is a specific application drawing where we had to retrofit a Cycle Stop Valve on an existing pumping system where they wanted to locate their pressure tank away from the pump in a mechanical room, and they needed to know lengths in order to make up spools.
Please note the location of the small pressure tank w/ pressure gauge and hose bibb downstream of the CSV. This allows you to adjust the CSV quickly and easily without having to run back and forth to monitor your pressure gauge and re-adjust your hose bibb.