HTV valve tray as a new high performance tray applicable in the distillationand absorption towers operating under atmosphere and/or higher pressure.

• HTV船型浮阀塔板是适用于常压和加压条件下精馏和吸收塔中的优秀塔板，该塔板首次成功地应用于华北油田化学药剂厂催化裂化主分馏塔的技术改造中。