· 2018. 9. 20. · HZVALVE (RTJ) Material of Body/Bonnet and Trim Http:// Cast Steel Gate Valve...
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· 2018. 9. 20. · HZVALVE (RTJ) Material of Body/Bonnet and Trim Http:// Cast Steel Gate Valve Class 150/300/600/900/ 1500 caw) Bolted bonnet,Outside screw& yoke ,Rising stem hand