How much is the adequate slope for vent headers?
Confirm to permanently remove your answer!
Vent headers must be provided with adequate slope for proper drainage and to element low points or pockets. API 521 18.104.22.168.7 recommends 1/4″ per 10 feet.
In addition to above recommendation following also needs to be considered:
The hot oil system expansion vessel or surge drum should be connected to the system return line on the pump …