南京依莫泵業有限公司——產品廣泛應用于冶金、石油、化工、電力、交通、建材、鍋爐、船舶、機械、食品等行業。產品銷售全國各地，部分產品也出口。生產的產品有三螺桿泵、雙螺桿泵和單螺桿泵三大類，品種齊全 質量過硬。三螺桿泵有SM、SN、HSN、YSN、QSN、NSN、3G、3GR、3GC、3GBW、HSP、SPF、HSJ、3GJ十四個系列，雙螺桿泵有2G、2Ga、2Gb、2GRN、2H、HW、YW、W、2W、2GaS、2GbS、2HM、2HE、2HR、2MPS十五個系列，G型的單螺桿泵。我們還順應市場要求，不斷為用戶提供更多特殊形式的螺桿泵產品

公司專業生產常規型號  也可根據客戶要求定做。
 SN三螺桿泵
1，根據客戶要求和工礦條件 可選用 H:臥式地腳安裝泵 F:法蘭安裝式泵 S:立式柱泵 E:插裝式泵組 T：簡型泵組，從帶止口吸入側插入。G：不帶軸封的（齒輪）傳動裝置泵，進出口軸向U型布置
2.根據客戶所輸送的介質和溫度可選用 U12.1內置滾動軸承，機械密封 和 E6.7外置滾動軸承機械密封，可用噴嘴潤滑，K2外置軸承，填料密封。

SN三螺桿泵 具有自吸性能，其運轉時吸入性能也極好
由于部件通用化，系列化，有底腳式，支架式，浸沒式多種結構，可用于臥式，法蘭式和壁式安裝。
根據所輸送介質需要還可提供加熱或冷卻結構型式. 
公司可根據客戶型號提供 三螺桿泵配（機械密封，安全閥，主從桿，襯套，底座，支架，聯軸器，軸承，泵體，機封壓蓋，后端蓋，）
常作為 燃料油：汽油，噴氣燃料，煤油，柴油，重油等
潤滑油：噴氣機潤滑油，汽油機油，柴油機油，汽輪機油，冷凍機油，汽缸油，機械油，儀表油，液壓油，等SN系列三螺桿泵

具體型號規格如下

40

SNF40R38U8W2三螺桿泵/SNF40R38U12.1W2三螺桿泵/SNF40R38E6.7W2三螺桿泵

SNF40R38U8W3三螺桿泵/SNF40R38U12.1W3三螺桿泵/SNF40R38E6.7W3三螺桿泵

SNF40R38U8W21三螺桿泵/SNF40R38U12.1W21三螺桿泵/SNF40R38E6.7W21三螺桿泵

SNF40R38U8W23三螺桿泵/SNF40R38U12.1W23三螺桿泵/SNF40R38E6.7W23三螺桿泵

SNF40R46U8W2三螺桿泵/SNF40R46U12.1W2三螺桿泵/SNF40R46E6.7W2三螺桿泵

SNF40R46U8W3三螺桿泵/SNF40R46U12.1W3三螺桿泵/SNF40R46E6.7W3三螺桿泵

SNF40R46U8W21三螺桿泵/SNF40R46U12.1W21三螺桿泵/SNF40R46E6.7W21三螺桿泵

SNF40R46U8W23三螺桿泵/SNF40R46U12.1W23三螺桿泵/SNF40R46E6.7W23三螺桿泵

SNF40R54U8W2三螺桿泵/SNF40R54U12.1W2三螺桿泵/SNF40R54E6.7W2三螺桿泵

SNF40R54U8W3三螺桿泵/SNF40R54U12.1W3三螺桿泵/SNF40R54E6.7W3三螺桿泵

SNF40R54U8W21三螺桿泵/SNF40R54U12.1W21三螺桿泵/SNF40R54E6.7W21三螺桿泵

SNF40R54U8W23三螺桿泵/SNF40R54U12.1W23三螺桿泵/SNF40R54E6.7W23三螺桿泵

80

SNF80R36U8W2三螺桿泵/SNF80R36U12.1W2三螺桿泵/SNF80R36E6.7W2三螺桿泵

SNF80R36U8W3三螺桿泵/SNF80R36U12.1W3三螺桿泵/SNF80R36E6.7W3三螺桿泵

SNF80R36U8W21三螺桿泵/SNF80R36U12.1W21三螺桿泵/SNF80R36E6.7W21三螺桿泵

SNF80R36U8W23三螺桿泵/SNF80R36U12.1W23三螺桿泵/SNF80R36E6.7W23三螺桿泵

SNF80R42U8W2三螺桿泵/SNF80R42U12.1W2三螺桿泵/SNF80R42E6.7W2三螺桿泵

SNF80R42U8W3三螺桿泵/SNF80R42U12.1W3三螺桿泵/SNF80R42E6.7W3三螺桿泵

SNF80R42U8W21三螺桿泵/SNF80R42U12.1W21三螺桿泵/SNF80R42E6.7W21三螺桿泵

SNF80R42U8W23三螺桿泵/SNF80R42U12.1W23三螺桿泵/SNF80R42E6.7W23三螺桿泵

SNF80R46U8W2三螺桿泵/SNF80R46U12.1W2三螺桿泵/SNF80R46E6.7W2三螺桿泵

SNF80R46U8W3三螺桿泵/SNF80R46U12.1W3三螺桿泵/SNF80R46E6.7W3三螺桿泵

SNF80R46U8W21三螺桿泵/SNF80R46U12.1W21三螺桿泵/SNF80R46E6.7W21三螺桿泵

SNF80R46U8W23三螺桿泵/SNF80R46U12.1W23三螺桿泵/SNF80R46E6.7W23三螺桿泵

SNF80R54U8W2三螺桿泵/SNF80R54U12.1W2三螺桿泵/SNF80R54E6.7W2三螺桿泵

SNF80R54U8W3三螺桿泵/SNF80R54U12.1W3三螺桿泵/SNF80R54E6.7W3三螺桿泵

SNF80R54U8W21三螺桿泵/SNF80R54U12.1W21三螺桿泵/SNF80R54E6.7W21三螺桿泵

SNF80R54U8W23三螺桿泵/SNF80R54U12.1W23三螺桿泵/SNF80R54E6.7W23三螺桿泵

120

SNF120R42U8W2三螺桿泵/SNF120R42U12.1W2三螺桿泵/SNF120R42E6.7W2三螺桿泵

SNF120R42U8W3三螺桿泵/SNF120R42U12.1W3三螺桿泵/SNF120R42E6.7W3三螺桿泵

SNF120R42U8W21三螺桿泵/SNF120R42U12.1W21三螺桿泵/SNF120R42E6.7W21三螺桿泵

SNF120R42U8W23三螺桿泵/SNF120R42U12.1W23三螺桿泵/SNF120R42E6.7W23三螺桿泵

SNF120R46U8W2三螺桿泵/SNF120R46U12.1W2三螺桿泵/SNF120R46E6.7W2三螺桿泵

SNF120R46U8W3三螺桿泵/SNF120R46U12.1W3三螺桿泵/SNF120R46E6.7W3三螺桿泵

SNF120R46U8W21三螺桿泵/SNF120R46U12.1W21三螺桿泵/SNF120R46E6.7W21三螺桿泵

SNF120R46U8W23三螺桿泵/SNF120R46U12.1W23三螺桿泵/SNF120R46E6.7W23三螺桿泵

SNF120R54U8W2三螺桿泵/SNF120R54U12.1W2三螺桿泵/SNF120R54E6.7W2三螺桿泵

SNF120R54U8W3三螺桿泵/SNF120R54U12.1W3三螺桿泵/SNF120R54E6.7W3三螺桿泵

SNF120R54U8W21三螺桿泵/SNF120R54U12.1W21三螺桿泵/SNF120R54E6.7W21三螺桿泵

SNF120R54U8W23三螺桿泵/SNF120R54U12.1W23三螺桿泵/SNF120R54E6.7W23三螺桿泵

210

SNF210R40U8W2三螺桿泵/SNF210R40U12.1W2三螺桿泵/SNF210R40E6.7W2三螺桿泵

SNF210R40U8W3三螺桿泵/SNF210R40U12.1W3三螺桿泵/SNF210R40E6.7W3三螺桿泵

SNF210R40U8W21三螺桿泵/SNF210R40U12.1W21三螺桿泵/SNF210R40E6.7W21三螺桿泵

SNF210R40U8W23三螺桿泵/SNF210R40U12.1W23三螺桿泵/SNF210R40E6.7W23三螺桿泵

SNF210R46U8W2三螺桿泵/SNF210R46U12.1W2三螺桿泵/SNF210R46E6.7W2三螺桿泵

SNF210R46U8W3三螺桿泵/SNF210R46U12.1W3三螺桿泵/SNF210R46E6.7W3三螺桿泵

SNF210R46U8W21三螺桿泵/SNF210R46U12.1W21三螺桿泵/SNF210R46E6.7W21三螺桿泵

SNF210R46U8W23三螺桿泵/SNF210R46U12.1W23三螺桿泵/SNF210R46E6.7W23三螺桿泵

SNF210R54U8W2三螺桿泵/SNF210R54U12.1W2三螺桿泵/SNF210R54E6.7W2三螺桿泵

SNF210R54U8W3三螺桿泵/SNF210R54U12.1W3三螺桿泵/SNF210R54E6.7W3三螺桿泵

SNF210R54U8W21三螺桿泵/SNF210R54U12.1W21三螺桿泵/SNF210R54E6.7W21三螺桿泵

SNF210R54U8W23三螺桿泵/SNF210R54U12.1W23三螺桿泵/SNF210R54E6.7W23三螺桿泵

280

SNF210R43U8W2三螺桿泵/SNF210R43U12.1W2三螺桿泵/SNF210R43E6.7W2三螺桿泵

SNF210R43U8W3三螺桿泵/SNF210R43U12.1W3三螺桿泵/SNF210R43E6.7W3三螺桿泵

SNF210R43U8W21三螺桿泵/SNF210R43U12.1W21三螺桿泵/SNF210R43E6.7W21三螺桿泵

SNF210R43U8W23三螺桿泵/SNF210R43U12.1W23三螺桿泵/SNF210R43E6.7W23三螺桿泵

SNF210R46U8W2三螺桿泵/SNF210R46U12.1W2三螺桿泵/SNF210R46E6.7W2三螺桿泵

SNF210R46U8W3三螺桿泵/SNF210R46U12.1W3三螺桿泵/SNF210R46E6.7W3三螺桿泵

SNF210R46U8W21三螺桿泵/SNF210R46U12.1W21三螺桿泵/SNF210R46E6.7W21三螺桿泵

SNF210R46U8W23三螺桿泵/SNF210R46U12.1W23三螺桿泵/SNF210R46E6.7W23三螺桿泵

SNF210R54U8W2三螺桿泵/SNF210R54U12.1W2三螺桿泵/SNF210R54E6.7W2三螺桿泵

SNF210R54U8W3三螺桿泵/SNF210R54U12.1W3三螺桿泵/SNF210R54E6.7W3三螺桿泵

SNF210R54U8W21三螺桿泵/SNF210R54U12.1W21三螺桿泵/SNF210R54E6.7W21三螺桿泵

SNF210R54U8W23三螺桿泵/SNF210R54U12.1W23三螺桿泵/SNF210R54E6.7W23三螺桿泵

440

SNF440R40U8W2三螺桿泵/SNF440R40U12.1W2三螺桿泵/SNF440R40E6.7W2三螺桿泵

SNF440R40U8W3三螺桿泵/SNF440R40U12.1W3三螺桿泵/SNF440R40E6.7W3三螺桿泵

SNF440R40U8W21三螺桿泵/SNF440R40U12.1W21三螺桿泵/SNF440R40E6.7W21三螺桿泵

SNF440R40U8W23三螺桿泵/SNF440R40U12.1W23三螺桿泵/SNF440R40E6.7W23三螺桿泵

SNF440R46U8W2三螺桿泵/SNF440R46U12.1W2三螺桿泵/SNF440R46E6.7W2三螺桿泵

SNF440R46U8W3三螺桿泵/SNF440R46U12.1W3三螺桿泵/SNF440R46E6.7W3三螺桿泵

SNF440R46U8W21三螺桿泵/SNF440R46U12.1W21三螺桿泵/SNF440R46E6.7W21三螺桿泵

SNF440R46U8W23三螺桿泵/SNF440R46U12.1W23三螺桿泵/SNF440R46E6.7W23三螺桿泵

SNF440R52U8W2三螺桿泵/SNF440R52U12.1W2三螺桿泵/SNF440R52E6.7W2三螺桿泵

SNF440R52U8W3三螺桿泵/SNF440R52U12.1W3三螺桿泵/SNF440R52E6.7W3三螺桿泵

SNF440R52U8W21三螺桿泵/SNF440R52U12.1W21三螺桿泵/SNF440R52E6.7W21三螺桿泵

SNF440R52U8W23三螺桿泵/SNF440R52U12.1W23三螺桿泵/SNF440R52E6.7W23三螺桿泵

SNF440R54U8W2三螺桿泵/SNF440R54U12.1W2三螺桿泵/SNF440R54E6.7W2三螺桿泵

SNF440R54U8W3三螺桿泵/SNF440R54U12.1W3三螺桿泵/SNF440R54E6.7W3三螺桿泵

SNF440R54U8W21三螺桿泵/SNF440R54U12.1W21三螺桿泵/SNF440R54E6.7W21三螺桿泵

SNF440R54U8W23三螺桿泵/SNF440R54U12.1W23三螺桿泵/SNF440R54E6.7W23三螺桿泵

660

SNF660R40U8W2三螺桿泵/SNF660R40U12.1W2三螺桿泵/SNF660R40E6.7W2三螺桿泵

SNF660R40U8W3三螺桿泵/SNF660R40U12.1W3三螺桿泵/SNF660R40E6.7W3三螺桿泵

SNF660R40U8W21三螺桿泵/SNF660R40U12.1W21三螺桿泵/SNF660R40E6.7W21三螺桿泵

SNF660R40U8W23三螺桿泵/SNF660R40U12.1W23三螺桿泵/SNF660R40E6.7W23三螺桿泵

SNF660R44U8W2三螺桿泵/SNF660R44U12.1W2三螺桿泵/SNF660R44E6.7W2三螺桿泵

SNF660R44U8W3三螺桿泵/SNF660R44U12.1W3三螺桿泵/SNF660R44E6.7W3三螺桿泵

SNF660R44U8W21三螺桿泵/SNF660R44U12.1W21三螺桿泵/SNF660R44E6.7W21三螺桿泵

SNF660R44U8W23三螺桿泵/SNF660R44U12.1W23三螺桿泵/SNF660R44E6.7W23三螺桿泵

SNF660R46U8W2三螺桿泵/SNF660R46U12.1W2三螺桿泵/SNF660R46E6.7W2三螺桿泵

SNF660R46U8W3三螺桿泵/SNF660R46U12.1W3三螺桿泵/SNF660R46E6.7W3三螺桿泵

SNF660R46U8W21三螺桿泵/SNF660R46U12.1W21三螺桿泵/SNF660R46E6.7W21三螺桿泵

SNF660R46U8W23三螺桿泵/SNF660R46U12.1W23三螺桿泵/SNF660R46E6.7W23三螺桿泵

SNF660R51U8W2三螺桿泵/SNF660R51U12.1W2三螺桿泵/SNF660R51E6.7W2三螺桿泵

SNF660R51U8W3三螺桿泵/SNF660R51U12.1W3三螺桿泵/SNF660R51E6.7W3三螺桿泵

SNF660R51U8W21三螺桿泵/SNF660R51U12.1W21三螺桿泵/SNF660R51E6.7W21三螺桿泵

SNF660R51U8W23三螺桿泵/SNF660R51U12.1W23三螺桿泵/SNF660R51E6.7W23三螺桿泵

SNF660R54U8W2三螺桿泵/SNF660R54U12.1W2三螺桿泵/SNF660R54E6.7W2三螺桿泵

SNF660R54U8W3三螺桿泵/SNF660R54U12.1W3三螺桿泵/SNF660R54E6.7W3三螺桿泵

SNF660R54U8W21三螺桿泵/SNF660R54U12.1W21三螺桿泵/SNF660R54E6.7W21三螺桿泵

SNF660R54U8W23三螺桿泵/SNF660R54U12.1W23三螺桿泵/SNF660R54E6.7W23三螺桿泵

940

SNF940R42U8W2三螺桿泵/SNF940R42U12.1W2三螺桿泵/SNF940R42E6.7W2三螺桿泵

SNF940R42U8W3三螺桿泵/SNF940R42U12.1W3三螺桿泵/SNF940R42E6.7W3三螺桿泵

SNF940R42U8W21三螺桿泵/SNF940R42U12.1W21三螺桿泵/SNF940R42E6.7W21三螺桿泵

SNF940R42U8W23三螺桿泵/SNF940R42U12.1W23三螺桿泵/SNF940R42E6.7W23三螺桿泵

SNF940R46U8W2三螺桿泵/SNF940R46U12.1W2三螺桿泵/SNF940R46E6.7W2三螺桿泵

SNF940R46U8W3三螺桿泵/SNF940R46U12.1W3三螺桿泵/SNF940R46E6.7W3三螺桿泵

SNF940R46U8W21三螺桿泵/SNF940R46U12.1W21三螺桿泵/SNF940R46E6.7W21三螺桿泵

SNF940R46U8W23三螺桿泵/SNF940R46U12.1W23三螺桿泵/SNF940R46E6.7W23三螺桿泵

SNF940R50U8W2三螺桿泵/SNF940R50U12.1W2三螺桿泵/SNF940R50E6.7W2三螺桿泵

SNF940R50U8W3三螺桿泵/SNF940R50U12.1W3三螺桿泵/SNF940R50E6.7W3三螺桿泵

SNF940R50U8W21三螺桿泵/SNF940R50U12.1W21三螺桿泵/SNF940R50E6.7W21三螺桿泵

SNF940R50U8W23三螺桿泵/SNF940R50U12.1W23三螺桿泵/SNF940R50E6.7W23三螺桿泵

SNF940R54U8W2三螺桿泵/SNF940R54U12.1W2三螺桿泵/SNF940R54E6.7W2三螺桿泵

SNF940R54U8W3三螺桿泵/SNF940R54U12.1W3三螺桿泵/SNF940R54E6.7W3三螺桿泵

SNF940R54U8W21三螺桿泵/SNF940R54U12.1W21三螺桿泵/SNF940R54E6.7W21三螺桿泵

SNF940R54U8W23三螺桿泵/SNF940R54U12.1W23三螺桿泵/SNF940R54E6.7W23三螺桿泵

1300

SNF1300R38U8W2三螺桿泵/SNF1300R38U12.1W2三螺桿泵/SNF1300R38E6.7W2三螺桿泵

SNF1300R38U8W3三螺桿泵/SNF1300R38U12.1W3三螺桿泵/SNF1300R38E6.7W3三螺桿泵

SNF1300R38U8W21三螺桿泵/SNF1300R38U12.1W21三螺桿泵/SNF1300R38E6.7W21三螺桿泵

SNF1300R38U8W23三螺桿泵/SNF1300R38U12.1W23三螺桿泵/SNF1300R38E6.7W23三螺桿泵

SNF1300R42U8W2三螺桿泵/SNF1300R42U12.1W2三螺桿泵/SNF1300R42E6.7W2三螺桿泵

SNF1300R42U8W3三螺桿泵/SNF1300R42U12.1W3三螺桿泵/SNF1300R42E6.7W3三螺桿泵

SNF1300R42U8W21三螺桿泵/SNF1300R42U12.1W21三螺桿泵/SNF1300R42E6.7W21三螺桿泵

SNF1300R42U8W23三螺桿泵/SNF1300R42U12.1W23三螺桿泵/SNF1300R42E6.7W23三螺桿泵

SNF1300R46U8W2三螺桿泵/SNF1300R46U12.1W2三螺桿泵/SNF1300R46E6.7W2三螺桿泵

SNF1300R46U8W3三螺桿泵/SNF1300R46U12.1W3三螺桿泵/SNF1300R46E6.7W3三螺桿泵

SNF1300R46U8W21三螺桿泵/SNF1300R46U12.1W21三螺桿泵/SNF1300R46E6.7W21三螺桿泵

SNF1300R46U8W23三螺桿泵/SNF1300R46U12.1W23三螺桿泵/SNF1300R46E6.7W23三螺桿泵

SNF1300R54U8W2三螺桿泵/SNF1300R54U12.1W2三螺桿泵/SNF1300R54E6.7W2三螺桿泵

SNF1300R54U8W3三螺桿泵/SNF1300R54U12.1W3三螺桿泵/SNF1300R54E6.7W3三螺桿泵

SNF1300R54U8W21三螺桿泵/SNF1300R54U12.1W21三螺桿泵/SNF1300R54E6.7W21三螺桿泵

SNF1300R54U8W23三螺桿泵/SNF1300R54U12.1W23三螺桿泵/SNF1300R54E6.7W23三螺桿泵

1700

SNF17000R42U8W2三螺桿泵/SNF17000R42U12.1W2三螺桿泵/SNF17000R42E6.7W2l三螺桿泵

SNF17000R42U8W3三螺桿泵/SNF17000R42U12.1W3三螺桿泵/SNF17000R42E6.7W3三螺桿泵

SNF17000R42U8W21三螺桿泵/SNF17000R42U12.1W21三螺桿泵/SNF17000R42E6.7W21三螺桿泵

SNF17000R42U8W23三螺桿泵/SNF17000R42U12.1W23三螺桿泵/SNF17000R42E6.7W23三螺桿泵

SNF17000R46U8W2三螺桿泵/SNF17000R46U12.1W2三螺桿泵/SNF17000R46E6.7W2三

SNF17000R46U8W3三螺桿泵/SNF17000R46U12.1W3三螺桿泵/SNF17000R46E6.7W3三

SNF17000R46U8W21三螺桿泵/SNF17000R46U12.1W21三螺桿泵/SNF17000R46E6.7W21三

SNF17000R46U8W23三螺桿泵/SNF17000R46U12.1W23三螺桿泵/SNF17000R46E6.7W23三

2200

SNF2200R42U8W2三螺桿泵/SNF2200R42U12.1W2三螺桿泵/SNF2200R42E6.7W23三螺桿泵

SNF2200R42U8W3三螺桿泵/SNF2200R42U12.1W3三螺桿泵/SNF2200R42E6.7W3三螺桿泵

SNF2200R42U8W21三螺桿泵/SNF2200R42U12.1W21三螺桿泵/SNF2200R42E6.7W21三螺桿泵

SNF2200R42U8W23三螺桿泵/SNF2200R42U12.1W23三螺桿泵/SNF2200R42E6.7W23三螺桿泵

SNF2200R46U8W2三螺桿泵/SNF2200R46U12.1W2三螺桿泵/SNF2200R46E6.7W2三螺桿泵

SNF2200R46U8W3三螺桿泵/SNF2200R46U12.1W3三螺桿泵/SNF2200R46E6.7W3三螺桿泵

SNF2200R46U8W21三螺桿泵/SNF2200R46U12.1W21三螺桿泵/SNF2200R46E6.7W21三螺桿泵

SNF2200R46U8W23三螺桿泵/SNF2200R46U12.1W23三螺桿泵/SNF2200R46E6.7W23三螺桿泵

2900

SNF2900R40U8W2三螺桿泵/SNF2900R40U12.1W2三螺桿泵/SNF2900R40E6.7W2三螺桿泵

SNF2900R40U8W3三螺桿泵/SNF2900R40U12.1W3三螺桿泵/SNF2900R40E6.7W3三螺桿泵

SNF2900R40U8W21三螺桿泵/SNF2900R40U12.1W21三螺桿泵/SNF2900R40E6.7W21三螺桿泵

SNF2900R40U8W23三螺桿泵/SNF2900R40U12.1W23三螺桿泵/SNF2900R40E6.7W23三螺桿泵

3600

SNF3600R46U8W2三螺桿泵/SNF3600R46U12.1W2三螺桿泵/SNF3600R46E6.7W2三螺桿泵

SNF3600R46U8W3三螺桿泵/SNF3600R46U12.1W3三螺桿泵/SNF3600R46E6.7W3三螺桿泵

SNF3600R46U8W21三螺桿泵/SNF3600R46U12.1W21三螺桿泵/SNF3600R46E6.7W21三螺桿泵

SNF3600R46U8W23三螺桿泵/SNF3600R46U12.1W23三螺桿泵/SNF3600R46E6.7W23三螺桿泵

5300

SNF5300R46U8W2三螺桿泵/SNF5300R46U12.1W2三螺桿泵/SNF5300R46E6.7W2三螺桿泵

SNF5300R46U8W3三螺桿泵/SNF5300R46U12.1W3三螺桿泵/SNF5300R46E6.7W3三螺桿泵

SNF5300R46U8W21三螺桿泵/SNF5300R46U12.1W21三螺桿泵/SNF5300R46E6.7W21三螺桿泵

SNF5300R46U8W23三螺桿泵/SNF5300R46U12.1W23三螺桿泵/SNF5300R46E6.7W23三螺桿泵