Hillingdon w serwisie Alma - nowe fakty

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Broken boiler?

Broken boiler?

plumber Hillingdon Flexibility of plastic pipesPlastic Pipes are classified by their ring stiffness. The preferred stiffness classes as described in several product standards are: SN2, SN4, SN8 and SN16, where SN is Nominal Stiffness (kN/m2).



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