Compară

Diametru

32 mm

40 mm

20 mm

20 mm, 3/4″

32 mm

1 1/2″, 1 1/4″

3/4″

—

1″, 1/2″

Material

polipropilena reticulata

Alama, polipropilena reticulata

Alama, polipropilena reticulata

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PP

Zinc

Zinc

Alama

Aluminiu

Presiune nominala

—

—

25 bari

20 bari

—

25 bari

25 bari

—

—