AZ rige standert is AWWA C509;Grutte: DN 50 ~ DN 1000Druk: 150 psi / 200 psi
Grutte: DN 40 ~ DN 600Druk: PN10/PN16
EZ rige standert is DIN3352 / BS5163;Grutte: DN 50 ~ DN 1000Druk: PN10/PN16
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