商鋪名稱：南京艾科泵業有限公司
聯系人：張工（先生）
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郵編：210018
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一、SN三螺桿泵的特點
1.轉子液壓平衡，振動小，噪音低。
2.輸出穩定，無脈動。
3.高效率。
4.具有很強的自吸能力。
5.零部件采用通用性強的系列化設計，具有多種安裝方式。
6.結構緊湊，體積小，重量輕，可在較高轉速下工作。
二、輸送介質種類
a. 潤滑性液體：如機械油，滑油，重油，渣油
b. 低潤滑性液體：如輕柴油，重柴油，含蠟稀油
c. 粘性液體：如各種合成橡膠液和人造膠液，乳化液
三、應用行業或應用領域
·在供熱設備中用做燃油，燃油供應和輸送泵。
·在機械工業中用做液壓，潤滑和搖控馬達泵。
·在化學石油化工和食品工業中用做裝載，輸送和供液泵。
·在船舶上用做輸送、增壓、燃油噴射和潤滑油泵以及船用液壓裝置泵。
四、SN 系列三螺桿泵的型式代號
泵型式代號： SN F 210 R 46 K 2 Y- W3
1 2 3 4 5 6 7 8 9
1. 系列
2. 型式
3. 規格
4. 主桿的方向（R=右旋 L=左旋）
5. 螺旋角度
6. 結構特性及軸承
7．密封
8. 泵體
9. 材料組合
(1).從驅動端看，若要求泵軸順時針轉動，則選R，逆時針轉動，則選L。
1. 系列
系列 |
主要特征 |
最大流量[l/min] |
規格范圍 |
最大排出壓力[MPa] |
SN |
低壓，單吸軸向力液壓平衡 |
5300 |
40～5300 |
4 |
2. 型式
符號 |
結構說明 |
H |
臥式地腳安裝泵 |
F |
端法蘭聯接泵 |
S |
立式柱腳安裝泵 |
E |
泵轉子組件，桿套插裝泵 |
T |
吊裝浸沒泵 |
G |
同側進出法蘭聯接泵（適用于齒輪傳動） |
C |
O型進出法蘭聯接泵（適用于齒輪傳動） |
3. 螺旋角
規格 |
40 |
80 |
120 |
210 |
280 |
440 |
660 |
940 |
1300 |
1700 |
2200 |
2900 |
3600 |
5300 |
主桿螺旋角 |
38 |
36 |
42 |
40 |
43 |
40 |
40 |
42 |
38 |
42 |
42 |
40 |
46 |
46 |
46 |
42 |
46 |
46 |
46 |
46 |
44 |
46 |
42 |
46 |
46 |
||||
54 |
46 |
54 |
54 |
54 |
52 |
46 |
50 |
46 |
||||||
54 |
54 |
51 |
54 |
54 |
||||||||||
54 |
4. 結構特性及軸承軸封
符號 |
結構說明 |
適用范圍 |
K2 |
外置軸承，填料密封 |
介質潤滑性較差，粘度大溫度≤ 150℃ |
KA2 |
外置雙列球軸承，填料密封 |
介質潤滑性較差，粘度大溫度≤ 150℃ |
U12.1 |
內置滾動軸承，軸承由介質潤滑機械密封 |
介質潤滑性良好溫度≤ 80℃ |
E6.7 |
外置滾動軸承，可用潤滑噴嘴注潤滑脂機械密封 |
介質潤滑性較差，工作溫度高 T≤150℃ |
E15 |
外置滾動軸承，可用潤滑噴嘴注潤滑脂機械密封 |
介質潤滑性較差，工作溫度高 T≤200℃ |
QA |
雙列球軸承，無密封 |
齒輪傳動泵 |
5. 泵體
符號 |
說明 |
備注 |
無標記 |
標準泵體適用于輸送流動性好的潤滑性液體 |
|
Y |
雙層泵體可用熱蒸汽或熱傳輸液體作載體對介質進行加熱適用于輸送高粘度加流動性差的液體,介質溫度≤280° |
泵安裝圖與標準型不同向廠家取 " |
T |
單層焊接泵體，適用于有特殊要求的場所 |
泵安裝圖與標準型不同向廠家取" |
6. 常用材料組合
材料組合代碼 |
泵體 |
視套 |
適用范圍 |
W1 |
HT200 |
稀土銅鉬球鐵 |
可中低壓輸送潤滑性較差，粘度適當的液體，如燃油等。 |
W2 |
HT200 |
ZL109 |
可低壓輸送潤滑性好，粘度適當的液體，如潤滑油等。 |
W3 |
QT450-10 |
ZL109 |
用于特殊場合（如船用泵）中低壓輸送潤滑性好，粘度適當的液體，如潤滑油等。 |
W5 |
QT450-10 |
稀土銅鉬球鐵 |
用于特殊場合（如船用泵）中低壓輸送潤滑性較差，粘度適當的液體，如燃油等。 |
W21 |
HT200 |
ZCuSn5Pb5Zn5 |
可在較低壓力下輸送潤滑性較差，或粘度較低的液體，如重油、燃油、柴油等。 |
W23 |
QT450-10 |
ZCuSn5Pb5Zn5 |
用于特殊場合（如船用泵）或在較高壓力下輸送潤滑性較差，粘度較低的液體，如重油、燃油、柴油等。 |
W29 |
20(焊接組件) |
ZCuSn5Pb5Zn5 |
用于有特殊要求的場所 |
五、SN 系列螺桿泵選型步驟
三螺桿泵選型時，要盡可能詳盡地了解泵的使用條件，除運行參數，如流量、壓力須要弄清楚之外，輸送的介質的特性如介質的腐蝕性，含氣量含固溶物的比率及固體顆粒的大小以及介質的工作溫度、粘度、比重對泵內過流元件的腐蝕性等和泵裝置的吸入條件，安裝條件均要了解。
用戶可以填寫附在本樣本后的泵數據表，由廠家負責選型，也可以根據樣本按以下步驟自行選型。
第一、確定泵的轉速：（SN 系列螺桿泵的極限轉速為＜6000r.p.m）
1．泵轉速的選擇以輸送介質的粘度和泵的規格確定轉速范圍，一般輸送高粘度介質時，
泵應選低轉速；若粘度低 ，相應選擇高轉速。
對于大規格的泵（主桿外徑∮60mm 以上）
介質粘度γ＞20°E 時，轉速以970rpm 或720rpm 為宜。
若γ＞80°E 如粘膠液，轉速可選n=200~500rpm
對于小規格的泵（主桿外徑∮60mm 以下）：
γ＞20°E 時，n 選1450rpm 或970rpm.
γ＞80°E 時，n 選300~600rpm。
2．由于泵的轉速愈高摩擦功率愈高，泵的磨損越大，壽命越短，如果輸送介質的潤滑
性較差，或含有微量雜質，應選較低轉速，使泵保持較長的使用壽命。推薦n＜1450rpm
第二、結構形式的選擇
結構的選擇可根據泵的運行環境和安裝環境，選擇合適的安裝形式并遵循以下的原則：
1． 輸送潤滑性油類，且溫度T＜80℃時，選擇內置軸承結構的泵。
2． 輸送潤滑性較差，或溫度T＞80℃時，選擇外置軸承結構的泵。
3． 輸送流動性差，粘度高的介質或對所輸送介質進行加熱或保溫時，選雙層加熱泵體
結構的泵。
4． 輸送高溫介質時，應選擇耐高溫的材料制成的泵或局部冷卻的泵。
5． 關于泵的吸入能力可查閱樣本。
第三、泵材料組合的選擇 見上表
第四、泵的吸上能力
通過降低轉速或加熱降低介質黏度的方法，可達到高的吸上性能，見NPSHR 表
第五、配套電機的選配
泵的型號選定后，根據樣本數據，可查到泵的軸功率N，該軸功率再加上一定的功率儲
備后，作為選配電機的依據，一般電機功率Nm 不小于泵軸功率N 乘以功率儲備系數K 所
得的值即：Nm≥K·N。K 值由下表查得。
N(KW) |
K |
N≤5 |
1.25 |
5＜N≤10 |
1.2 |
10＜N≤50 |
1.15 |
N＞50 |
1.1 |
第六、為了保證進泵介質的清潔性，要求泵進口前配備過濾器，過濾精度為40~80 目。
另外，選泵時還常由于樣本提供的泵性能參數均以表格形式或特定黏度、轉速下性能曲
線的形式給出，所需泵的性能值，有時恰好不能直接讀出，這時可遵循如下原則，作粗
略估算。若需比較準確的數據，則可向專業人員咨詢。
1．三螺桿泵的流量，壓力在相同轉速、黏度時近似成直線關系，壓力越高，流量越小。
2．相同粘度、壓力下泵的流量與轉速近似成正比。
3．相同轉速、粘度時，軸功率與壓力近似成正比。
4．相同粘度、壓力下，軸功率與轉速近似成正比。
粘度增大時，流量和軸功率均增加，但由于其中關系比較復雜，必要時，向專業人員咨
詢。
六、產品型號大全：
SNH40R38U12.1W2三螺桿泵 |
SNH40R38U12.1W21三螺桿泵 |
SNH40R38U12.1W23三螺桿泵 |
SNF40R38U12.1W2三螺桿泵 |
SNF40R38U12.1W21三螺桿泵 |
SNF40R38U12.1W23三螺桿泵 |
SNS40R38U12.1W2三螺桿泵 |
SNS40R38U12.1W21三螺桿泵 |
SNS40R38U12.1W23三螺桿泵 |
SNE40R38U12.1W2三螺桿泵 |
SNE40R38U12.1W21三螺桿泵 |
SNE40R38U12.1W23三螺桿泵 |
SNH40R46U12.1W2三螺桿泵 |
SNH40R46U12.1W21三螺桿泵 |
SNH40R46U12.1W23三螺桿泵 |
SNF40R46U12.1W2三螺桿泵 |
SNF40R46U12.1W21三螺桿泵 |
SNF40R46U12.1W23三螺桿泵 |
SNS40R46U12.1W2三螺桿泵 |
SNS40R46U12.1W21三螺桿泵 |
SNS40R46U12.1W23三螺桿泵 |
SNE40R46U12.1W2三螺桿泵 |
SNE40R46U12.1W21三螺桿泵 |
SNE40R46U12.1W23三螺桿泵 |
SNH40R54U12.1W2三螺桿泵 |
SNH40R54U12.1W21三螺桿泵 |
SNH40R54U12.1W23三螺桿泵 |
SNF40R54U12.1W2三螺桿泵 |
SNF40R54U12.1W21三螺桿泵 |
SNF40R54U12.1W23三螺桿泵 |
SNS40R54U12.1W2三螺桿泵 |
SNS40R54U12.1W21三螺桿泵 |
SNS40R54U12.1W23三螺桿泵 |
SNE40R54U12.1W2三螺桿泵 |
SNE40R54U12.1W21三螺桿泵 |
SNE40R54U12.1W23三螺桿泵 |
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SNH80R36U12.1W2三螺桿泵 |
SNH80R36U12.1W21三螺桿泵 |
SNH80R36U12.1W23三螺桿泵 |
SNF80R36U12.1W2三螺桿泵 |
SNF80R36U12.1W21三螺桿泵 |
SNF80R36U12.1W23三螺桿泵 |
SNS80R36U12.1W2三螺桿泵 |
SNS80R36U12.1W21三螺桿泵 |
SNS80R36U12.1W23三螺桿泵 |
SNE80R36U12.1W2三螺桿泵 |
SNE80R36U12.1W21三螺桿泵 |
SNE80R36U12.1W23三螺桿泵 |
SNH80R42U12.1W2三螺桿泵 |
SNH80R42U12.1W21三螺桿泵 |
SNH80R42U12.1W23三螺桿泵 |
SNF80R42U12.1W2三螺桿泵 |
SNF80R42U12.1W21三螺桿泵 |
SNF80R42U12.1W23三螺桿泵 |
SNS80R42U12.1W2三螺桿泵 |
SNS80R42U12.1W21三螺桿泵 |
SNS80R42U12.1W23三螺桿泵 |
SNE80R42U12.1W2三螺桿泵 |
SNE80R42U12.1W21三螺桿泵 |
SNE80R42U12.1W23三螺桿泵 |
SNH80R46U12.1W2三螺桿泵 |
SNH80R46U12.1W21三螺桿泵 |
SNH80R46U12.1W23三螺桿泵 |
SNF80R46U12.1W2三螺桿泵 |
SNF80R46U12.1W21三螺桿泵 |
SNF80R46U12.1W23三螺桿泵 |
SNS80R46U12.1W2三螺桿泵 |
SNS80R46U12.1W21三螺桿泵 |
SNS80R46U12.1W23三螺桿泵 |
SNE80R46U12.1W2三螺桿泵 |
SNE80R46U12.1W21三螺桿泵 |
SNE80R46U12.1W23三螺桿泵 |
SNH80R54U12.1W2三螺桿泵 |
SNH80R54U12.1W21三螺桿泵 |
SNH80R54U12.1W23三螺桿泵 |
SNF80R54U12.1W2三螺桿泵 |
SNF80R54U12.1W21三螺桿泵 |
SNF80R54U12.1W23三螺桿泵 |
SNS80R54U12.1W2三螺桿泵 |
SNS80R54U12.1W21三螺桿泵 |
SNS80R54U12.1W23三螺桿泵 |
SNE80R54U12.1W2三螺桿泵 |
SNE80R54U12.1W21三螺桿泵 |
SNE80R54U12.1W23三螺桿泵 |
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SNH120R42U12.1W2三螺桿泵 |
SNH120R42U12.1W21三螺桿泵 |
SNH120R42U12.1W23三螺桿泵 |
SNF120R42U12.1W2三螺桿泵 |
SNF120R42U12.1W21三螺桿泵 |
SNF120R42U12.1W23三螺桿泵 |
SNS120R42U12.1W2三螺桿泵 |
SNS120R42U12.1W21三螺桿泵 |
SNS120R42U12.1W23三螺桿泵 |
SNE120R42U12.1W2三螺桿泵 |
SNE120R42U12.1W21三螺桿泵 |
SNE120R42U12.1W23三螺桿泵 |
SNH120R46U12.1W2三螺桿泵 |
SNH120R46U12.1W21三螺桿泵 |
SNH120R46U12.1W23三螺桿泵 |
SNF120R46U12.1W2三螺桿泵 |
SNF120R46U12.1W21三螺桿泵 |
SNF120R46U12.1W23三螺桿泵 |
SNS120R46U12.1W2三螺桿泵 |
SNS120R46U12.1W21三螺桿泵 |
SNS120R46U12.1W23三螺桿泵 |
SNE120R46U12.1W2三螺桿泵 |
SNE120R46U12.1W21三螺桿泵 |
SNE120R46U12.1W23三螺桿泵 |
SNH120R54U12.1W2三螺桿泵 |
SNH120R54U12.1W21三螺桿泵 |
SNH120R54U12.1W23三螺桿泵 |
SNF120R54U12.1W2三螺桿泵 |
SNF120R54U12.1W21三螺桿泵 |
SNF120R54U12.1W23三螺桿泵 |
SNS120R54U12.1W2三螺桿泵 |
SNS120R54U12.1W21三螺桿泵 |
SNS120R54U12.1W23三螺桿泵 |
SNE120R54U12.1W2三螺桿泵 |
SNE120R54U12.1W21三螺桿泵 |
SNE120R54U12.1W23三螺桿泵 |
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SNH210R40U12.1W2三螺桿泵 |
SNH210R40U12.1W21三螺桿泵 |
SNH210R40U12.1W23三螺桿泵 |
SNF210R40U12.1W2三螺桿泵 |
SNF210R40U12.1W21三螺桿泵 |
SNF210R40U12.1W23三螺桿泵 |
SNS210R40U12.1W2三螺桿泵 |
SNS210R40U12.1W21三螺桿泵 |
SNS210R40U12.1W23三螺桿泵 |
SNE210R40U12.1W2三螺桿泵 |
SNE210R40U12.1W21三螺桿泵 |
SNE210R40U12.1W23三螺桿泵 |
SNH210R46U12.1W2三螺桿泵 |
SNH210R46U12.1W21三螺桿泵 |
SNH210R46U12.1W23三螺桿泵 |
SNF210R46U12.1W2三螺桿泵 |
SNF210R46U12.1W21三螺桿泵 |
SNF210R46U12.1W23三螺桿泵 |
SNS210R46U12.1W2三螺桿泵 |
SNS210R46U12.1W21三螺桿泵 |
SNS210R46U12.1W23三螺桿泵 |
SNE210R46U12.1W2三螺桿泵 |
SNE210R46U12.1W21三螺桿泵 |
SNE210R46U12.1W23三螺桿泵 |
SNH210R54U12.1W2三螺桿泵 |
SNH210R54U12.1W21三螺桿泵 |
SNH210R54U12.1W23三螺桿泵 |
SNF210R54U12.1W2三螺桿泵 |
SNF210R54U12.1W21三螺桿泵 |
SNF210R54U12.1W23三螺桿泵 |
SNS210R54U12.1W2三螺桿泵 |
SNS210R54U12.1W21三螺桿泵 |
SNS210R54U12.1W23三螺桿泵 |
SNE210R54U12.1W2三螺桿泵 |
SNE210R54U12.1W21三螺桿泵 |
SNE210R54U12.1W23三螺桿泵 |
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SNH280R43U12.1W2三螺桿泵 |
SNH280R43U12.1W21三螺桿泵 |
SNH280R43U12.1W23三螺桿泵 |
SNF280R43U12.1W2三螺桿泵 |
SNF280R43U12.1W21三螺桿泵 |
SNF280R43U12.1W23三螺桿泵 |
SNS280R43U12.1W2三螺桿泵 |
SNS280R43U12.1W21三螺桿泵 |
SNS280R43U12.1W23三螺桿泵 |
SNE280R43U12.1W2三螺桿泵 |
SNE280R43U12.1W21三螺桿泵 |
SNE280R43U12.1W23三螺桿泵 |
SNH280R46U12.1W2三螺桿泵 |
SNH280R46U12.1W21三螺桿泵 |
SNH280R46U12.1W23三螺桿泵 |
SNF280R46U12.1W2三螺桿泵 |
SNF280R46U12.1W21三螺桿泵 |
SNF280R46U12.1W23三螺桿泵 |
SNS280R46U12.1W2三螺桿泵 |
SNS280R46U12.1W21三螺桿泵 |
SNS280R46U12.1W23三螺桿泵 |
SNE280R46U12.1W2三螺桿泵 |
SNE280R46U12.1W21三螺桿泵 |
SNE280R46U12.1W23三螺桿泵 |
SNH280R54U12.1W2三螺桿泵 |
SNH280R54U12.1W21三螺桿泵 |
SNH280R54U12.1W23三螺桿泵 |
SNF280R54U12.1W2三螺桿泵 |
SNF280R54U12.1W21三螺桿泵 |
SNF280R54U12.1W23三螺桿泵 |
SNS280R54U12.1W2三螺桿泵 |
SNS280R54U12.1W21三螺桿泵 |
SNS280R54U12.1W23三螺桿泵 |
SNE280R54U12.1W2三螺桿泵 |
SNE280R54U12.1W21三螺桿泵 |
SNE280R54U12.1W23三螺桿泵 |
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SNH440R40U12.1W2三螺桿泵 |
SNH440R40U12.1W21三螺桿泵 |
SNH440R40U12.1W23三螺桿泵 |
SNF440R40U12.1W2三螺桿泵 |
SNF440R40U12.1W21三螺桿泵 |
SNF440R40U12.1W23三螺桿泵 |
SNS440R40U12.1W2三螺桿泵 |
SNS440R40U12.1W21三螺桿泵 |
SNS440R40U12.1W23三螺桿泵 |
SNE440R40U12.1W2三螺桿泵 |
SNE440R40U12.1W21三螺桿泵 |
SNE440R40U12.1W23三螺桿泵 |
SNH440R42U12.1W2三螺桿泵 |
SNH440R42U12.1W21三螺桿泵 |
SNH440R42U12.1W23三螺桿泵 |
SNF440R42U12.1W2三螺桿泵 |
SNF440R42U12.1W21三螺桿泵 |
SNF440R42U12.1W23三螺桿泵 |
SNS440R42U12.1W2三螺桿泵 |
SNS440R42U12.1W21三螺桿泵 |
SNS440R42U12.1W23三螺桿泵 |
SNE440R42U12.1W2三螺桿泵 |
SNE440R42U12.1W21三螺桿泵 |
SNE440R42U12.1W23三螺桿泵 |
SNH440R46U12.1W2三螺桿泵 |
SNH440R46U12.1W21三螺桿泵 |
SNH440R46U12.1W23三螺桿泵 |
SNF440R46U12.1W2三螺桿泵 |
SNF440R46U12.1W21三螺桿泵 |
SNF440R46U12.1W23三螺桿泵 |
SNS440R46U12.1W2三螺桿泵 |
SNS440R46U12.1W21三螺桿泵 |
SNS440R46U12.1W23三螺桿泵 |
SNE440R46U12.1W2三螺桿泵 |
SNE440R46U12.1W21三螺桿泵 |
SNE440R46U12.1W23三螺桿泵 |
SNH440R54U12.1W2三螺桿泵 |
SNH440R54U12.1W21三螺桿泵 |
SNH440R54U12.1W23三螺桿泵 |
SNF440R54U12.1W2三螺桿泵 |
SNF440R54U12.1W21三螺桿泵 |
SNF440R54U12.1W23三螺桿泵 |
SNS440R54U12.1W2三螺桿泵 |
SNS440R54U12.1W21三螺桿泵 |
SNS440R54U12.1W23三螺桿泵 |
SNE440R54U12.1W2三螺桿泵 |
SNE440R54U12.1W21三螺桿泵 |
SNE440R54U12.1W23三螺桿泵 |
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SNH660R40U12.1W2三螺桿泵 |
SNH660R40U12.1W21三螺桿泵 |
SNH660R40U12.1W23三螺桿泵 |
SNF660R40U12.1W2三螺桿泵 |
SNF660R40U12.1W21三螺桿泵 |
SNF660R40U12.1W23三螺桿泵 |
SNS660R40U12.1W2三螺桿泵 |
SNS660R40U12.1W21三螺桿泵 |
SNS660R40U12.1W23三螺桿泵 |
SNE660R40U12.1W2三螺桿泵 |
SNE660R40U12.1W21三螺桿泵 |
SNE660R40U12.1W23三螺桿泵 |
SNH660R44U12.1W2三螺桿泵 |
SNH660R44U12.1W21三螺桿泵 |
SNH660R44U12.1W23三螺桿泵 |
SNF660R44U12.1W2三螺桿泵 |
SNF660R44U12.1W21三螺桿泵 |
SNF660R44U12.1W23三螺桿泵 |
SNS660R44U12.1W2三螺桿泵 |
SNS660R44U12.1W21三螺桿泵 |
SNS660R44U12.1W23三螺桿泵 |
SNE660R44U12.1W2三螺桿泵 |
SNE660R44U12.1W21三螺桿泵 |
SNE660R44U12.1W23三螺桿泵 |
SNH660R46U12.1W2三螺桿泵 |
SNH660R46U12.1W21三螺桿泵 |
SNH660R46U12.1W23三螺桿泵 |
SNF660R46U12.1W2三螺桿泵 |
SNF660R46U12.1W21三螺桿泵 |
SNF660R46U12.1W23三螺桿泵 |
SNS660R46U12.1W2三螺桿泵 |
SNS660R46U12.1W21三螺桿泵 |
SNS660R46U12.1W23三螺桿泵 |
SNE660R46U12.1W2三螺桿泵 |
SNE660R46U12.1W21三螺桿泵 |
SNE660R46U12.1W23三螺桿泵 |
SNH660R51U12.1W2三螺桿泵 |
SNH660R51U12.1W21三螺桿泵 |
SNH660R51U12.1W23三螺桿泵 |
SNF660R51U12.1W2三螺桿泵 |
SNF660R51U12.1W21三螺桿泵 |
SNF660R51U12.1W23三螺桿泵 |
SNS660R51U12.1W2三螺桿泵 |
SNS660R51U12.1W21三螺桿泵 |
SNS660R51U12.1W23三螺桿泵 |
SNE660R51U12.1W2三螺桿泵 |
SNE660R51U12.1W21三螺桿泵 |
SNE660R51U12.1W23三螺桿泵 |
SNH660R54U12.1W2三螺桿泵 |
SNH660R54U12.1W21三螺桿泵 |
SNH660R54U12.1W23三螺桿泵 |
SNF660R54U12.1W2三螺桿泵 |
SNF660R54U12.1W21三螺桿泵 |
SNF660R54U12.1W23三螺桿泵 |
SNS660R54U12.1W2三螺桿泵 |
SNS660R54U12.1W21三螺桿泵 |
SNS660R54U12.1W23三螺桿泵 |
SNE660R54U12.1W2三螺桿泵 |
SNE660R54U12.1W21三螺桿泵 |
SNE660R54U12.1W23三螺桿泵 |
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SNH940R42U12.1W2三螺桿泵 |
SNH940R42U12.1W21三螺桿泵 |
SNH940R42U12.1W23三螺桿泵 |
SNF940R42U12.1W2三螺桿泵 |
SNF940R42U12.1W21三螺桿泵 |
SNF940R42U12.1W23三螺桿泵 |
SNS940R42U12.1W2三螺桿泵 |
SNS940R42U12.1W21三螺桿泵 |
SNS940R42U12.1W23三螺桿泵 |
SNE940R42U12.1W2三螺桿泵 |
SNE940R42U12.1W21三螺桿泵 |
SNE940R42U12.1W23三螺桿泵 |
SNH940R46U12.1W2三螺桿泵 |
SNH940R46U12.1W21三螺桿泵 |
SNH940R46U12.1W23三螺桿泵 |
SNF940R46U12.1W2三螺桿泵 |
SNF940R46U12.1W21三螺桿泵 |
SNF940R46U12.1W23三螺桿泵 |
SNS940R46U12.1W2三螺桿泵 |
SNS940R46U12.1W21三螺桿泵 |
SNS940R46U12.1W23三螺桿泵 |
SNE940R46U12.1W2三螺桿泵 |
SNE940R46U12.1W21三螺桿泵 |
SNE940R46U12.1W23三螺桿泵 |
SNH940R50U12.1W2三螺桿泵 |
SNH940R50U12.1W21三螺桿泵 |
SNH940R50U12.1W23三螺桿泵 |
SNF940R50U12.1W2三螺桿泵 |
SNF940R50U12.1W21三螺桿泵 |
SNF940R50U12.1W23三螺桿泵 |
SNS940R50U12.1W2三螺桿泵 |
SNS940R50U12.1W21三螺桿泵 |
SNS940R50U12.1W23三螺桿泵 |
SNE940R50U12.1W2三螺桿泵 |
SNE940R50U12.1W21三螺桿泵 |
SNE940R50U12.1W23三螺桿泵 |
SNH940R54U12.1W2三螺桿泵 |
SNH940R54U12.1W21三螺桿泵 |
SNH940R54U12.1W23三螺桿泵 |
SNF940R54U12.1W2三螺桿泵 |
SNF940R54U12.1W21三螺桿泵 |
SNF940R54U12.1W23三螺桿泵 |
SNS940R54U12.1W2三螺桿泵 |
SNS940R54U12.1W21三螺桿泵 |
SNS940R54U12.1W23三螺桿泵 |
SNE940R54U12.1W2三螺桿泵 |
SNE940R54U12.1W21三螺桿泵 |
SNE940R54U12.1W23三螺桿泵 |
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SNH1300R38U12.1W2三螺桿泵 |
SNH1300R38U12.1W21三螺桿泵 |
SNH1300R38U12.1W23三螺桿泵 |
SNF1300R38U12.1W2三螺桿泵 |
SNF1300R38U12.1W21三螺桿泵 |
SNF1300R38U12.1W23三螺桿泵 |
SNS1300R38U12.1W2三螺桿泵 |
SNS1300R38U12.1W21三螺桿泵 |
SNS1300R38U12.1W23三螺桿泵 |
SNE1300R38U12.1W2三螺桿泵 |
SNE1300R38U12.1W21三螺桿泵 |
SNE1300R38U12.1W23三螺桿泵 |
SNH1300R42U12.1W2三螺桿泵 |
SNH1300R42U12.1W21三螺桿泵 |
SNH1300R42U12.1W23三螺桿泵 |
SNF1300R42U12.1W2三螺桿泵 |
SNF1300R42U12.1W21三螺桿泵 |
SNF1300R42U12.1W23三螺桿泵 |
SNS1300R42U12.1W2三螺桿泵 |
SNS1300R42U12.1W21三螺桿泵 |
SNS1300R42U12.1W23三螺桿泵 |
SNE1300R42U12.1W2三螺桿泵 |
SNE1300R42U12.1W21三螺桿泵 |
SNE1300R42U12.1W23三螺桿泵 |
SNH1300R46U12.1W2三螺桿泵 |
SNH1300R46U12.1W21三螺桿泵 |
SNH1300R46U12.1W23三螺桿泵 |
SNF1300R46U12.1W2三螺桿泵 |
SNF1300R46U12.1W21三螺桿泵 |
SNF1300R46U12.1W23三螺桿泵 |
SNS1300R46U12.1W2三螺桿泵 |
SNS1300R46U12.1W21三螺桿泵 |
SNS1300R46U12.1W23三螺桿泵 |
SNE1300R46U12.1W2三螺桿泵 |
SNE1300R46U12.1W21三螺桿泵 |
SNE1300R46U12.1W23三螺桿泵 |
SNH1300R54U12.1W2三螺桿泵 |
SNH1300R54U12.1W21三螺桿泵 |
SNH1300R54U12.1W23三螺桿泵 |
SNF1300R54U12.1W2三螺桿泵 |
SNF1300R54U12.1W21三螺桿泵 |
SNF1300R54U12.1W23三螺桿泵 |
SNS1300R54U12.1W2三螺桿泵 |
SNS1300R54U12.1W21三螺桿泵 |
SNS1300R54U12.1W23三螺桿泵 |
SNE1300R54U12.1W2三螺桿泵 |
SNE1300R54U12.1W21三螺桿泵 |
SNE1300R54U12.1W23三螺桿泵 |
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SNH1700R42U12.1W2三螺桿泵 |
SNH1700R42U12.1W21三螺桿泵 |
SNH1700R42U12.1W23三螺桿泵 |
SNF1700R42U12.1W2三螺桿泵 |
SNF1700R42U12.1W21三螺桿泵 |
SNF1700R42U12.1W23三螺桿泵 |
SNS1700R42U12.1W2三螺桿泵 |
SNS1700R42U12.1W21三螺桿泵 |
SNS1700R42U12.1W23三螺桿泵 |
SNE1700R42U12.1W2三螺桿泵 |
SNE1700R42U12.1W21三螺桿泵 |
SNE1700R42U12.1W23三螺桿泵 |
SNH1700R46U12.1W2三螺桿泵 |
SNH1700R46U12.1W21三螺桿泵 |
SNH1700R46U12.1W23三螺桿泵 |
SNF1700R46U12.1W2三螺桿泵 |
SNF1700R46U12.1W21三螺桿泵 |
SNF1700R46U12.1W23三螺桿泵 |
SNS1700R46U12.1W2三螺桿泵 |
SNS1700R46U12.1W21三螺桿泵 |
SNS1700R46U12.1W23三螺桿泵 |
SNE1700R46U12.1W2三螺桿泵 |
SNE1700R46U12.1W21三螺桿泵 |
SNE1700R46U12.1W23三螺桿泵 |
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SNH2200R42U12.1W2三螺桿泵 |
SNH2200R42U12.1W21三螺桿泵 |
SNH2200R42U12.1W23三螺桿泵 |
SNF2200R42U12.1W2三螺桿泵 |
SNF2200R42U12.1W21三螺桿泵 |
SNF2200R42U12.1W23三螺桿泵 |
SNS2200R42U12.1W2三螺桿泵 |
SNS2200R42U12.1W21三螺桿泵 |
SNS2200R42U12.1W23三螺桿泵 |
SNE2200R42U12.1W2三螺桿泵 |
SNE2200R42U12.1W21三螺桿泵 |
SNE2200R42U12.1W23三螺桿泵 |
SNH2200R46U12.1W2三螺桿泵 |
SNH2200R46U12.1W21三螺桿泵 |
SNH2200R46U12.1W23三螺桿泵 |
SNF2200R46U12.1W2三螺桿泵 |
SNF2200R46U12.1W21三螺桿泵 |
SNF2200R46U12.1W23三螺桿泵 |
SNS2200R46U12.1W2三螺桿泵 |
SNS2200R46U12.1W21三螺桿泵 |
SNS2200R46U12.1W23三螺桿泵 |
SNE2200R46U12.1W2三螺桿泵 |
SNE2200R46U12.1W21三螺桿泵 |
SNE2200R46U12.1W23三螺桿泵 |
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SNH2900R40U12.1W2三螺桿泵 |
SNH2900R40U12.1W21三螺桿泵 |
SNH2900R40U12.1W23三螺桿泵 |
SNF2900R40U12.1W2三螺桿泵 |
SNF2900R40U12.1W21三螺桿泵 |
SNF2900R40U12.1W23三螺桿泵 |
SNS2900R40U12.1W2三螺桿泵 |
SNS2900R40U12.1W21三螺桿泵 |
SNS2900R40U12.1W23三螺桿泵 |
SNE2900R40U12.1W2三螺桿泵 |
SNE2900R40U12.1W21三螺桿泵 |
SNE2900R40U12.1W23三螺桿泵 |
SNH2900R46U12.1W2三螺桿泵 |
SNH2900R46U12.1W21三螺桿泵 |
SNH2900R46U12.1W23三螺桿泵 |
SNF2900R46U12.1W2三螺桿泵 |
SNF2900R46U12.1W21三螺桿泵 |
SNF2900R46U12.1W23三螺桿泵 |
SNS2900R46U12.1W2三螺桿泵 |
SNS2900R46U12.1W21三螺桿泵 |
SNS2900R46U12.1W23三螺桿泵 |
SNE2900R46U12.1W2三螺桿泵 |
SNE2900R46U12.1W21三螺桿泵 |
SNE2900R46U12.1W23三螺桿泵 |
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SNH3600R46U12.1W2三螺桿泵 |
SNH3600R46U12.1W21三螺桿泵 |
SNH3600R46U12.1W23三螺桿泵 |
SNF3600R46U12.1W2三螺桿泵 |
SNF3600R46U12.1W21三螺桿泵 |
SNF3600R46U12.1W23三螺桿泵 |
SNS3600R46U12.1W2三螺桿泵 |
SNS3600R46U12.1W21三螺桿泵 |
SNS3600R46U12.1W23三螺桿泵 |
SNE3600R46U12.1W2三螺桿泵 |
SNE3600R46U12.1W21三螺桿泵 |
SNE3600R46U12.1W23三螺桿泵 |
