Applications: – Hot/cold domestic water supply systems – High-temperature radiator heating systems. Sleeves create a non-detachable 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: PPSU Polyphenylsulfone. Pressure Rating: maximum 10 bar. Required Sliding Sleeves: – 3 pcs – 2 pcs Valrom Code PEX020000032000 and 1 pc Valrom Code PEX020000025000. Dedicated installation tools are required to connect fittings and piping. Tool Types: – Manual expansion and translation kit, complete D 16-D 32 – Valrom Code 64192201632 – Electric expansion and translation kit, complete D.16-32 – Valrom Code 64192221632