影響機械密封壽命的原因：

三、泵汽蝕的原因
由于裝置系統操作不合理以及泵進口汽蝕性能不好、泵的轉速偏高，在泵的入口處發生局部汽蝕，汽蝕發生后，水中會有氣泡，它一方面會沖擊機械密封面的外表面，使其表面出現破損；另一方面會使動靜環的吻合面的流動膜中也含有氣泡，不能形成穩定的流動膜，造成動靜環的吻合面的干摩擦，使機械密封裝置損壞。

動力系統液壓螺桿泵HSAF40R46L4PY，帶襯套

我廠生產、銷售及維修國內外各種油泵、螺桿泵，包括單螺桿泵、雙螺桿泵、三螺桿泵、四螺桿泵、五螺桿泵等：
供應HSAF40R46L4PY三螺桿泵泵頭、泵頭座、單機、整機等；
供應HSAF40R46L4PY三螺桿泵襯套、泵芯、聯軸器、機械密封等；
供應HSAF40R46L4PY三螺桿泵主動螺桿、從動螺桿或螺桿軸等；
供應HSAF40R46L4PY三螺桿泵備件、組件、部件、配件、零部件等。
備注：
1、客戶購買泵頭、泵頭座，需告知廠方螺桿泵型號或者泵銘牌圖片。
2、客戶購買單機、機組、整機，需告知廠方螺桿泵型號及其配套電機功率。
3、客戶購買備件、組件、部件、配件、零部件等，需告知廠方螺桿泵型號。
4、常規型號螺桿泵及其備件等都有現貨，非標螺桿泵或者進口螺桿泵等需要10-15天貨期。
5、客戶如有特殊的要求，可以與我們聯系，我們提供專業的螺桿泵咨詢服務，為客戶節約成本，排憂解難。

HSA螺桿泵型號六：
HSA20R38L4PY HSAF20R38L4PY HSAD20R38L4PYHSAFK20R38L4PY HSAS20R38L4PY
HSA20R46L4PY HSAF20R46L4PY HSAD20R46L4PYHSAFK20R46L4PY HSAS20R46L4PY
HSA40R38L4PY HSAF40R38L4PY HSAR40R38L4PYHSAFK40R38L4PY HSAS40R38L4PY
HSA40R46L4PY HSAF40R46L4PY HSAR40R46L4PYHSAFK40R46L4PY HSAS40R46L4PY
HSA80R36L4PY HSAF80R36L4PY HSAD80R36L4PYHSAFK80R36L4PY HSAS80R36L4PY
HSA80R46L4PY HSAF80R46L4PY HSAD80R46L4PYHSAFK80R46L4PY HSAS80R46L4PY
HSA80R54L4PY HSAF80R54L4PY HSAD80R54L4PYHSAFK80R54L4PY HSAS80R54L4PY
HSA120R42L4PY HSAF120R42L4PY HSAD120R42L4PYHSAFK120R42L4PY HSAS120R42L4PY
HSA120R46L4PY HSAF120R46L4PY HSAD120R46L4PYHSAFK120R46L4PY HSAS120R46L4PY
HSA120R54L4PY HSAF120R54L4PY HSAD120R54L4PYHSAFK120R54L4PY HSAS120R54L4PY
HSA210R36L4PY HSAF210R36L4PY HSAD210R36L4PYHSAFK210R36L4PY HSAS210R36L4PY
HSA210R40L4PY HSAF210R40L4PY HSAD210R40L4PYHSAFK210R40L4PY HSAS210R40L4PY
HSA210R46L4PY HSAF210R46L4PY HSAD210R46L4PYHSAFK210R46L4PY HSAS210R46L4PY
HSA280R43L4PY HSAF280R43L4PY HSAD280R43L4PYHSAFK280R43L4PY HSAS280R43L4PY
HSA280R46L4PY HSAF280R46L4PY HSAD280R46L4PYHSAFK280R46L4PY HSAS280R46L4PY
HSA440R36L4PY HSAF440R36L4PY HSAR440R36L4PYHSAFK440R36L4PY HSAS440R36L4PY
HSA440R40L4PY HSAF440R40L4PY HSAR440R40L4PYHSAFK440R40L4PY HSAS440R40L4PY
HSA440R46L4PY HSAF440R46L4PY HSAR440R46L4PYHSAFK440R46L4PY HSAS440R46L4PY
HSA440R54L4PY HSAF440R54L4PY HSAR440R54L4PYHSAFK440R54L4PY HSAS440R54L4PY
HSA660R40L4PY HSAF660R40L4PY HSAD660R40L4PYHSAFK660R40L4PY HSAS660R40L4PY
HSA660R44L4PY HSAF660R44L4PY HSAD660R44L4PYHSAFK660R44L4PY HSAS660R44L4PY
HSA660R46L4PY HSAF660R46L4PY HSAD660R46L4PYHSAFK660R46L4PY HSAS660R46L4PY
HSA660R54L4PY HSAF660R54L4PY HSAD660R54L4PYHSAFK660R54L4PY HSAS660R54L4PY

HSA螺桿泵型號：(R代表螺桿右旋，L代表螺桿左旋)下面為右旋螺桿泵型號：
HSA螺桿泵型號五：
HSA20R38R4PY HSAF20R38R4PY HSAD20R38R4PYHSAFK20R38R4PY HSAS20R38R4PY
HSA20R46R4PY HSAF20R46R4PY HSAD20R46R4PYHSAFK20R46R4PY HSAS20R46R4PY
HSA40R38R4PY HSAF40R38R4PY HSAD40R38R4PYHSAFK40R38R4PY HSAS40R38R4PY
HSA40R46R4PY HSAF40R46R4PY HSAD40R46R4PYHSAFK40R46R4PY HSAS40R46R4PY
HSA80R36R4PY HSAF80R36R4PY HSAD80R36R4PYHSAFK80R36R4PY HSAS80R36R4PY
HSA80R46R4PY HSAF80R46R4PY HSAD80R46R4PYHSAFK80R46R4PY HSAS80R46R4PY
HSA80R54R4PY HSAF80R54R4PY HSAD80R54R4PYHSAFK80R54R4PY HSAS80R54R4PY
HSA120R42R4PY HSAF120R42R4PY HSAD120R42R4PYHSAFK120R42R4PY HSAS120R42R4PY
HSA120R46R4PY HSAF120R46R4PY HSAD120R46R4PYHSAFK120R46R4PY HSAS120R46R4PY
HSA120R54R4PY HSAF120R54R4PY HSAD120R54R4PYHSAFK120R54R4PY HSAS120R54R4PY
HSA210R36R4PY HSAF210R36R4PY HSAD210R36R4PYHSAFK210R36R4PY HSAS210R36R4PY
HSA210R40R4PY HSAF210R40R4PY HSAD210R40R4PYHSAFK210R40R4PY HSAS210R40R4PY
HSA210R46R4PY HSAF210R46R4PY HSAD210R46R4PYHSAFK210R46R4PY HSAS210R46R4PY
HSA280R43R4PY HSAF280R43R4PY HSAD280R43R4PYHSAFK280R43R4PY HSAS280R43R4PY
HSA280R46R4PY HSAF280R46R4PY HSAD280R46R4PYHSAFK280R46R4PY HSAS280R46R4PY
HSA280R54R4PY HSAF280R54R4PY HSAD280R54R4PYHSAFK280R54R4PY HSAS280R54R4PY
HSA440R36R4PY HSAF440R36R4PY HSAD440R36R4PYHSAFK440R36R4PY HSAS440R36R4PY
HSA440R40R4PY HSAF440R40R4PY HSAD440R40R4PYHSAFK440R40R4PY HSAS440R40R4PY
HSA440R46R4PY HSAF440R46R4PY HSAD440R46R4PYHSAFK440R46R4PY HSAS440R46R4PY
HSA440R54R4PY HSAF440R54R4PY HSAD440R54R4PYHSAFK440R54R4PY HSAS440R54R4PY
HSA660R40R4PY HSAF660R40R4PY HSAD660R40R4PYHSAFK660R40R4PY HSAS660R40R4PY
HSA660R44R4PY HSAF660R44R4PY HSAD660R44R4PYHSAFK660R44R4PY HSAS660R44R4PY
HSA660R46R4PY HSAF660R46R4PY HSAD660R46R4PYHSAFK660R46R4PY HSAS660R46R4PY
HSA660R54R4PY HSAF660R54R4PY HSAD660R54R4PYHSAFK660R54R4PY HSAS660R54R4PY

動力系統液壓螺桿泵HSAF40R46L4PY，帶襯套