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本文介绍了高压氮肥阀——J 44 H-320型角式截止阀的密封结构的改进,即将原阀体与阀底座配合部位的软质辅助密封(嵌入式O形橡胶圈)改为套入式V型四氟乙烯密封圈结构。改进后,扩大了阀门的使用温度范围。
This article introduces the improvement of the sealing structure of the high pressure nitrogenous fertilizer valve - J 44 H-320 angle type closing valve, that is, replace the soft auxiliary sealing (embedded O-shaped rubber ring) with the original valve body and the valve seat V-type PTFE ring structure. Improved to expand the valve temperature range.