plumbers Hackney Valves variationsValves vary widely in form and application. Sizes typically range from 0.1 mm to 60 cm. Special valves can have a diameter exceeding 5 meters. Valve costs range from simple inexpensive disposable valves to sp kliknij aby przeczytać
boiler repairs Hackney Union - type of piping fittingA union is similar to a coupling, except it is designed to allow quick and convenient disconnection of pipes for maintenance or fixture replacement. While a coupling would require either solve można zobaczyć tutaj