I have a large tank (3100 gallons) which hold a mixture of rain water and well water. I want to use this tank for irrigating my crops. I will be irrigating with drip tape which takes 10psi. I want to use the pump without a bladder tank and just turn it on and off when I want to water.

My question is, when the pipes and tapes reach maximum flow (maybe about 50 gallons/hour) and the pump pressure starts rising, does it have a pressure release? Is it built in or do I need to pipe the overpressure water back to the tank?

I hope this makes sense.