Dacosta
18-08-2008, 07:45 PM
Hello out there
Do I need a vacuum breaker for a relief line? If so then why?
I have a two-stage ammonia system with a diffusion tank. My lowest temperature is –40ºF (10psia) but the relief valve is on the discharge of the booster compressor (45 psia). The relief line is 4” sch 40 steel, it is about 80ft (105ft equilivent) run from the farthest relief valve to the diffusion tank. Outlet of the relief line is 30ft under the water in the diffusion tank.
Any thoughts on this?
Thanks
Dan
Do I need a vacuum breaker for a relief line? If so then why?
I have a two-stage ammonia system with a diffusion tank. My lowest temperature is –40ºF (10psia) but the relief valve is on the discharge of the booster compressor (45 psia). The relief line is 4” sch 40 steel, it is about 80ft (105ft equilivent) run from the farthest relief valve to the diffusion tank. Outlet of the relief line is 30ft under the water in the diffusion tank.
Any thoughts on this?
Thanks
Dan