Since 1990
取得认证/证书: TA-Luft VDI2440设计标准:EN 13709 检验标准: DIN EN12266-1结构长度: EN558 G1操作方式: 自动
DIN 1.0619 1.4408 flange lift check valves fig.282 PN16,40 DN15-DN200 EN 558-1 G1.pdf
Operating manuals-Check valve.pdf
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