Applications: – Domestic cold/hot water supply systems – High-temperature radiator heating systems. These couplings create a non-demountable connection between the PPSU fitting and PE-X Class A Series 3.2 piping, with the following diameter x wall thickness characteristics: 16×2.2, 20×2.8, 25×3.5, 32×4.4. Reference standard: EN ISO 15875-3: 2003. Material: PVDF – (Polyvinylidene Fluoride or Polyvinylidene Difluoride). Pressure rating: maximum 10 bar. Dedicated installation tools are required to connect fittings, couplings, and piping. Tool types: – Manual expansion and translation kit, fully equipped, D 16-D 32 – Valrom Code 64192201632 – Electric expansion and translation kit, fully equipped, D.16-32 – Valrom Code 64192221632