alruss
Well-Known Member
I know there is a high pressure relief, I also said do not alter the valve system, then we add a valve in exactly the wrong place. Trying scare tactics.
Pressure Vessel
- Thread starter JohnTH
- Start date
DownWest
Well-Known Member
I used to deal with water systems all the time in Iberia. Pressure vessels for potable water were about 24lt., made in Italy, and almost invariably red with the odd white one. Pre pressure via the schrader valve was 1.5 bar. The body was steel and was not in contact with the water as the rubber baloon seperated them. The few CH systems I have had to look at appear to have a diaphram swaged between the two halves, and much lower volume as related to the amount of water in the system. The potable systems were usually regulated to between 2 to 3 bar. But I have seen them up to 6. This was the normal operating limit for most vessels, with the relief valves set to it. A Solar Heating co. I used to advise had to fit pressure reducing valves in the local village as the line pressure was over 7 bar for a while.
From what I read here, things have changed a LOT in the UK, the idea of licencing for other than roof tank pressure raises a smile. It was the norm for every body there, and pretty low tech.
A
I should explain that many houses were not on mains, so pumped systems with accumulators were common. Fed from systerns. (large underground tanks, 5/20 cu mtrs)
From what I read here, things have changed a LOT in the UK, the idea of licencing for other than roof tank pressure raises a smile. It was the norm for every body there, and pretty low tech.
A
I should explain that many houses were not on mains, so pumped systems with accumulators were common. Fed from systerns. (large underground tanks, 5/20 cu mtrs)
JohnTH
Well-Known Member
I think some unfortunate person was badly scalded after a boiler stat failed. Boiling water melted their plastic head tank that was located in the loft directly above the victims bed. Very nasty.
Since then plumbers have agitated to be licenced. Well, I think it was something along these lines.
72s de
Johnth
Since then plumbers have agitated to be licenced. Well, I think it was something along these lines.
72s de
Johnth
JohnTH
Well-Known Member
Thanks to you all, we now have a Varem R1018228 pressure vessel, sorry, thingies fitted. It is a lovely shade of off white and rated at 8 bar. The hot water tank is rated at 10 bar so, when I get round to fitting our new thermostatic shower unit, we should be treated to a blast of temperature controlled water at a now measured 5 bar.
Wonder why the hot water taps keeps dripping?
73s de
Johnth
Wonder why the hot water taps keeps dripping?
73s de
Johnth
bendyone
Well-Known Member
On my boat I have a red one on the hot water side and a blue one on the cold water side. They are set at different pressures.
JohnTH
Well-Known Member
Must have been a girl then who put that in. They have better colour coordination than boys.
73s de
Johnth
73s de
Johnth