We use 6 metre lengths as typical with Storz fittings. These fittings hook up in a short time so we could use a number of lengths of hoses to reach the relationship factors. Please talk to our expert group who can specify the portions of hoses and fittings in the https://industrial-boilers-uk32087.blog2freedom.com/38167158/helping-the-others-realize-the-advantages-of-industrial-boilers-uk