But the valve is a butterfly valve, it is extremely difficult to get one of those to seal 100%. You have to go to measures like “soft seats” which will up the price a lot. I would suggest that one will have to accept some degree of leakage.
Edit: For 11 quid what do you expect?
Cheers
John.
Last edited by John07; 14/02/24 08:52 AM.
