AZ series txheem yog AWWA C509;Loj: DN 50 ~ DN 1000Siab: 150 psi / 200 psi
Loj: DN 40 ~ DN 600Siab: PN10 / PN16
EZ series txheem yog DIN3352 / BS5163;Loj: DN 50 ~ DN 1000Siab: PN10 / PN16
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