DF型多级泵是多级分段式离心泵主要供输送温度为-20-105℃,不含固体颗粒、有腐蚀性的液体。泵的进口压力小于0.6MPa。
DF型泵是卧式、单吸、多级分段式离心泵。泵的出口入口均垂直向上。用拉紧螺栓将泵的吸入段、中段、吐出段联结成一体。泵转子由装在轴上的叶轮、平衡盘等零件组成。转子两端由滚动轴泵或滑动轴承支撑,滚动轴承用油脂润滑。转子轴向力由平衡盘平衡。
DF型多级泵的轴封采用机械密封或填料密封。轴两端有密封,内装机械,密封或软填料,密封函中通入有一定压力的水,起水封和冷却作用。在轴封处装有可更换的轴套,保护泵轴。泵通过弹性联轴器由原动机直接驱动。从原动方向看泵,泵为顺时针方向旋转。
二、DF型多级泵 技术参数
泵型号 |
流量
(m3/h) |
扬程
H(m) |
转速
n(r/min) |
功率(kw) |
效率
η(%) |
允许吸上
真空高度
Hs(m) |
叶轮直径
D2(mm) |
重量
(kg) |
外形尺寸(mm) |
|
级数 |
轴功率 |
配带功率 |
长 |
宽 |
高 |
吸入 |
排出 |
DF25-50 |
15 |
154.5 |
2950 |
14.3 |
22 |
44 |
7.7 |
196 |
270 |
930 |
522 |
480 |
80 |
80 |
3 |
25 |
150 |
18.9 |
54 |
7.5 |
28 |
144 |
20.3 |
54 |
7.4 |
DF25-50 |
15 |
206 |
2950 |
19.1 |
30 |
44 |
7.7 |
196 |
295 |
990 |
522 |
480 |
80 |
80 |
4 |
25 |
200 |
25.2 |
54 |
7.5 |
28 |
192 |
27.1 |
54 |
7.4 |
DF25-50 |
15 |
257.5 |
2950 |
23.9 |
37 |
44 |
7.7 |
196 |
315 |
1050 |
522 |
480 |
80 |
80 |
5 |
25 |
250 |
31.5 |
54 |
7.5 |
28 |
240 |
33.9 |
54 |
7.4 |
DF25-50 |
15 |
309 |
2950 |
28.6 |
55 |
44 |
7.7 |
196 |
340 |
1110 |
522 |
480 |
80 |
80 |
6 |
25 |
300 |
37.8 |
54 |
7.5 |
28 |
288 |
40.7 |
54 |
7.4 |
DF25-50 |
15 |
360.5 |
2950 |
33.4 |
55 |
44 |
7.7 |
196 |
360 |
1170 |
522 |
480 |
80 |
80 |
7 |
25 |
350 |
44.1 |
54 |
7.5 |
28 |
336 |
47.5 |
54 |
7.4 |
DF25-50 |
15 |
412 |
2950 |
38.2 |
75 |
44 |
7.7 |
196 |
385 |
1230 |
522 |
480 |
80 |
80 |
8 |
25 |
400 |
50.4 |
54 |
7.5 |
28 |
384 |
54.2 |
54 |
7.4 |
DF25-50 |
15 |
463.5 |
2950 |
43 |
75 |
44 |
7.7 |
196 |
405 |
1290 |
522 |
480 |
80 |
80 |
9 |
25 |
450 |
56.7 |
54 |
7.5 |
28 |
432 |
61 |
54 |
7.4 |
DF25-50 |
15 |
515 |
2950 |
47.7 |
75 |
44 |
7.7 |
196 |
430 |
1350 |
522 |
480 |
80 |
80 |
10 |
25 |
500 |
63 |
54 |
7.5 |
28 |
480 |
67.8 |
54 |
7.4 |
DF25-50 |
15 |
566 |
2950 |
52.5 |
100 |
44 |
7.7 |
196 |
450 |
1410 |
522 |
480 |
80 |
80 |
11 |
25 |
550 |
69.3 |
54 |
7.5 |
28 |
528 |
74.6 |
54 |
7.4 |
DF25-50 |
15 |
618 |
2950 |
57.3 |
100 |
44 |
7.7 |
196 |
470 |
1470 |
522 |
480 |
80 |
80 |
12 |
25 |
600 |
75.6 |
54 |
7.5 |
28 |
576 |
81.4 |
54 |
7.4 |
DF46-50 |
28 |
172.5 |
2950 |
24.8 |
37 |
53 |
7.4 |
208 |
270 |
930 |
522 |
480 |
80 |
80 |
3 |
46 |
150 |
29.9 |
63 |
7.3 |
50 |
144 |
31 |
63.2 |
71 |
DF46-50 |
28 |
230 |
2950 |
33.1 |
55 |
53 |
7.4 |
208 |
295 |
990 |
522 |
480 |
80 |
80 |
4 |
46 |
200 |
39.8 |
63 |
7.3 |
50 |
192 |
41.3 |
63.2 |
7.2 |
泵型号 |
流量
Q(m3/h) |
扬程
H(m) |
转速
n(r/min) |
功率(kw) |
效率
η(%) |
允许吸上
真空高度
Hs(m) |
叶轮直径
D2(mm) |
重量
W(kg)
|
外形尺寸(mm) |
口径(mm) |
备注 |
轴功率 |
配带功率 |
长 |
宽 |
高 |
吸入 |
排出 |
DF46-50 |
28 |
287.5 |
2950 |
41.4 |
55 |
53 |
7.4 |
208 |
315 |
1050 |
522 |
480 |
80 |
80 |
级数5 |
46 |
250 |
49.8 |
63 |
7.3 |
50 |
240 |
51.6 |
63.2 |
7.2 |
DF46-50 |
28 |
345 |
2950 |
49.6 |
75 |
53 |
7.4 |
208 |
340 |
1110 |
522 |
480 |
80 |
80 |
级数6 |
46 |
300 |
59.7 |
63 |
7.3 |
50 |
288 |
61.9 |
63.2 |
71 |
DF46-50 |
28 |
402.5 |
2950 |
57.9 |
100 |
53 |
7.4 |
208 |
360 |
1170 |
522 |
480 |
80 |
80 |
级数7 |
46 |
350 |
69.7 |
63 |
7.3 |
50 |
336 |
72.2 |
63.2 |
7.2 |
DF4-50 |
28 |
460 |
2950 |
66.2 |
100 |
53 |
7.4 |
208 |
385 |
1230 |
522 |
480 |
80 |
80 |
级数8 |
46 |
400 |
79.6 |
63 |
7.3 |
50 |
384 |
82.6 |
63.2 |
71 |
DF46-50 |
28 |
517.5 |
2950 |
74.4 |
100 |
53 |
7.4 |
208 |
405 |
1290 |
522 |
480 |
80 |
80 |
级数9 |
46 |
450 |
89.6 |
63 |
7.3 |
50 |
432 |
92.9 |
63.2 |
7.2 |
DF46-50 |
28 |
575 |
2950 |
82.7 |
110 |
53 |
7.4 |
208 |
430 |
1350 |
522 |
480 |
80 |
80 |
级数10 |
46 |
500 |
99.5 |
63 |
7.3 |
50 |
480 |
103.2 |
63.2 |
7.2 |
DF46-50 |
28 |
632.5 |
2950 |
91 |
132 |
53 |
7.4 |
208 |
450 |
1410 |
522 |
480 |
80 |
80 |
级数11 |
46 |
550 |
109.5 |
63 |
7.3 |
50 |
528 |
113.5 |
63.2 |
7.2 |
OF46-50 |
28 |
690 |
2950 |
99.3 |
132 |
53 |
7.4 |
208 |
475 |
1470 |
522 |
480 |
80 |
80 |
级数12 |
46 |
600 |
119.4 |
63 |
7.3 |
50 |
576 |
123.9 |
63.2 |
7.2 |
DF46-30 |
27 |
102 |
2950 |
11.8 |
22 |
54.5 |
7 |
166 |
180 |
775 |
600 |
585 |
80 |
80 |
级数3 |
46 |
90 |
17 |
66 |
6 |
50 |
87 |
18.1 |
65.5 |
5 |
DF46-30 |
27 |
136 |
2950 |
15.75 |
30 |
54.5 |
7 |
166 |
190 |
838 |
600 |
585 |
80 |
80 |
级数4 |
46 |
120 |
22.8 |
66 |
6 |
50 |
116 |
24.2 |
May-65 |
5 |
DF46-30 |
27 |
170 |
2950 |
19.7 |
37 |
54.5 |
7 |
166 |
214 |
911 |
660 |
610 |
80 |
80 |
级数5 |
46 |
150 |
28.5 |
66 |
6 |
50 |
145 |
30.2 |
65.5 |
5 |
DF46-30 |
27 |
204 |
2950 |
23.6 |
45 |
54.5 |
7 |
166 |
231 |
974 |
660 |
610 |
80 |
80 |
级数6 |
46 |
180 |
34.2 |
66 |
6 |
50 |
174 |
36.2 |
65.5 |
5 |
泵型号 |
流量
Q(m3/h) |
扬程
H(m) |
转速
n(r/min) |
功率(kw) |
效率
η(%)
|
允许吸上
真空高度
Hs(m) |
叶轮直径
D2(mm) |
重量
W(kg) |
外形尺寸(mm) |
口径(mm) |
备注 |
轴功率 |
配带功率 |
长 |
宽 |
高 |
吸入 |
排出 |
DF46-30 |
27 |
238 |
2950 |
27.6 |
55 |
54.5 |
7 |
166 |
248 |
1037 |
710 |
640 |
80 |
80 |
级数7 |
46 |
210 |
40 |
66 |
6 |
50 |
202 |
42 |
65.5 |
5 |
DF46-30 |
27 |
272 |
2950 |
31.5 |
55 |
54.5 |
7 |
166 |
265 |
1100 |
710 |
640 |
80 |
80 |
级数8 |
46 |
240 |
45.8 |
66 |
6 |
50 |
232 |
48.4 |
65.5 |
5 |
DF46-30 |
27 |
306 |
2950 |
35.4 |
75 |
54.5 |
7 |
166 |
282 |
1163 |
760 |
770 |
80 |
80 |
级数9 |
46 |
270 |
51.3 |
66 |
6 |
50 |
260 |
54.2 |
65.5 |
5 |
DF46-30 |
27 |
340 |
2950 |
39.4 |
75 |
54.5 |
7 |
166 |
299 |
1266 |
760 |
770 |
80 |
80 |
级数10 |
46 |
300 |
57 |
66 |
6 |
50 |
290 |
60.4 |
65.5 |
5 |
DF85-45 |
54 |
153 |
2950 |
36.3 |
55 |
62 |
6.8 |
200 |
887 |
840 |
740 |
680 |
150 |
150 |
级数3 |
85 |
135 |
46 |
68 |
5.1 |
97 |
126 |
47.7 |
70 |
4.2 |
DF85-45 |
54 |
204 |
2950 |
48.4 |
75 |
62 |
6.8 |
200 |
1021 |
914 |
740 |
680 |
150 |
150 |
级数4 |
85 |
180 |
61.2 |
68 |
5.1 |
97 |
168 |
63.6 |
70 |
4.2 |
DF85-45 |
54 |
255 |
2950 |
60.5 |
90 |
62 |
6.8 |
200 |
1165 |
993 |
740 |
680 |
150 |
150 |
级数5 |
85 |
225 |
76.7 |
68 |
5.1 |
97 |
210 |
79.7 |
70 |
4.2 |
DF85-45 |
54 |
306 |
2950 |
72.5 |
110 |
62 |
6.8 |
200 |
1696 |
1067 |
940 |
775 |
150 |
150 |
级数6 |
85 |
270 |
91.8 |
68 |
5.1 |
97 |
252 |
95.5 |
70 |
4.2 |
DF85-45 |
54 |
357 |
2950 |
84.7 |
132 |
62 |
6.8 |
200 |
1832 |
1114 |
960 |
775 |
150 |
150 |
级数7 |
85 |
315 |
107.5 |
68 |
5.1 |
97 |
294 |
111 |
70 |
4.2 |
DF85-45 |
54 |
408 |
2950 |
97 |
160 |
62 |
6.8 |
200 |
1958 |
1215 |
960 |
775 |
150 |
150 |
级数8 |
85 |
360 |
122.5 |
68 |
5.1 |
97 |
336 |
127.5 |
70 |
4.2 |
DF85-45 |
54 |
459 |
2950 |
109 |
185 |
62 |
6.8 |
200 |
2225 |
1289 |
1080 |
775 |
150 |
150 |
级数9 |
85 |
405 |
138 |
68 |
5.1 |
97 |
378 |
142.5 |
70 |
4.2 |
DF85-67 |
55 |
222 |
2950 |
66.6 |
90 |
50 |
6.7 |
235 |
846 |
1407 |
674 |
620 |
150 |
150 |
级数3 |
85 |
201 |
75 |
62 |
6 |
100 |
183 |
79.2 |
63 |
5.6 |
DF85-67 |
55 |
296 |
2950 |
88.8 |
110 |
50 |
6.7 |
235 |
964 |
1495 |
674 |
620 |
150 |
150 |
级数4 |
85 |
268 |
100 |
52 |
6 |
100 |
244 |
105.6 |
63 |
5.6 |
DF85-67 |
55 |
370 |
2950 |
111 |
160 |
50 |
6.7 |
235 |
1126 |
1583 |
674 |
620 |
150 |
150 |
级数5 |
85 |
335 |
125 |
52 |
6 |
100 |
305 |
132 |
63 |
5.6 |
DF85-67 |
55 |
444 |
2950 |
133.2 |
190 |
50 |
6.7 |
235 |
1434 |
1671 |
674 |
620 |
150 |
150 |
级数6 |
85 |
402 |
150 |
52 |
6 |
100 |
365 |
158.4 |
63 |
5.6 |
DF85-67 |
55 |
518 |
2950 |
155.4 |
190 |
50 |
6.7 |
235 |
1556 |
1759 |
674 |
620 |
150 |
150 |
级数7 |
85 |
469 |
17 |
52 |
6 |
100 |
427 |
184.8 |
63 |
5.6 |
泵型号 |
流量
Q(m3/h) |
扬程
H(m) |
转速
n(r/min) |
功率(kw) |
效率
η(%)
|
允许吸上
真空高度
Hs(m) |
叶轮直径
D2(mm) |
重量
W(kg) |
外形尺寸(mm) |
口径(mm) |
备注 |
轴功率 |
配带功率 |
长 |
宽 |
高 |
吸入 |
排出 |
DF85-67 |
55 |
592 |
2950 |
177.6 |
220 |
50 |
6.7 |
235 |
1624 |
1847 |
674 |
620 |
150 |
150 |
级数8 |
85 |
536 |
200 |
52 |
6 |
100 |
488 |
211.2 |
63 |
5.6 |
DF85-67 |
55 |
666 |
2950 |
199.8 |
250 |
50 |
6.7 |
235 |
1840 |
1935 |
674 |
620 |
150 |
150 |
级数9 |
85 |
603 |
225 |
52 |
6 |
100 |
549 |
237.6 |
63 |
5.6 |
DFl55-30 |
119 |
98.1 |
1480 |
43.05 |
75 |
74 |
7.5 |
305 |
540 |
1168 |
605 |
630 |
150 |
150 |
级数3 |
155 |
92.1 |
50.4 |
77 |
6.9 |
190 |
84 |
58.06 |
75 |
5.8 |
DFl55-30 |
119 |
130.8 |
1480 |
57.4 |
90 |
74 |
7.5 |
305 |
620 |
1283 |
605 |
630 |
150 |
150 |
级数4 |
155 |
122.8 |
67.2 |
77 |
6.9 |
190 |
112 |
77.42 |
75 |
5.8 |
DFl55-30 |
119 |
163.5 |
1480 |
71.75 |
110 |
74 |
7.5 |
305 |
690 |
1428 |
605 |
630 |
150 |
150 |
级数5 |
155 |
152.5 |
84 |
77 |
6.9 |
190 |
140 |
96.78 |
75 |
5.8 |
DFl55-30 |
119 |
196.2 |
1480 |
86.1 |
132 |
74 |
7.5 |
305 |
770 |
1543 |
605 |
630 |
150 |
150 |
级数6 |
155 |
184.2 |
100.8 |
77 |
6.9 |
190 |
168 |
116.16 |
75 |
5.8 |
DFl55-30 |
119 |
228 |
1480 |
100.45 |
160 |
74 |
7.5 |
305 |
850 |
1658 |
605 |
630 |
150 |
150 |
级数7 |
155 |
214.9 |
117.6 |
77 |
6.9 |
190 |
196 |
135.52 |
75 |
5.8 |
DFl55-30 |
119 |
261.6 |
1480 |
114.8 |
190 |
74 |
7.5 |
305 |
930 |
1773 |
605 |
630 |
150 |
150 |
级数8 |
155 |
245 |
134.4 |
77 |
6.9 |
190 |
224 |
154.88 |
75 |
5.8 |
DFl55-30 |
119 |
294.3 |
1480 |
129.15 |
190 |
74 |
7.5 |
305 |
1010 |
1888 |
605 |
630 |
150 |
150 |
级数9 |
155 |
276.3 |
151.2 |
77 |
6.9 |
190 |
252 |
174.24 |
75 |
5.8 |
DFl55-30 |
119 |
327 |
1480 |
143.5 |
220 |
74 |
7.5 |
305 |
1090 |
2003 |
605 |
630 |
150 |
150 |
级数10 |
155 |
307 |
168.5 |
77 |
6.9 |
190 |
280 |
193.6 |
75 |
5.8 |
DF280-43 |
168 |
141 |
1480 |
93.6 |
160 |
69 |
7 |
360 |
930 |
1386 |
737 |
780 |
200 |
200 |
级数3 |
280 |
129 |
127.8 |
77 |
5.5 |
336 |
114 |
141 |
74 |
3.9 |
DF280-43 |
168 |
188 |
1480 |
124.8 |
220 |
69 |
7 |
360 |
1040 |
1516 |
737 |
780 |
200 |
200 |
级数4 |
280 |
172 |
170.4 |
77 |
5.5 |
336 |
152 |
188 |
74 |
3.9 |
DF280-43 |
168 |
235 |
1480 |
156 |
250 |
69 |
7 |
360 |
1150 |
1646 |
737 |
780 |
200 |
200 |
级数5 |
280 |
215 |
213 |
77 |
5.5 |
336 |
190 |
235 |
74 |
3.9 |
DF280-43 |
168 |
282 |
1480 |
187.2 |
320 |
69 |
7 |
360 |
1260 |
1776 |
737 |
780 |
200 |
200 |
级数6 |
280 |
258 |
255.6 |
77 |
5.5 |
336 |
228 |
282 |
74 |
3.9 |
DF280-43 |
168 |
329 |
1480 |
218.4 |
360 |
69 |
7 |
360 |
1370 |
1936 |
737 |
780 |
200 |
200 |
级数7 |
280 |
301 |
298.2 |
77 |
5.5 |
336 |
266 |
329 |
74 |
3.9 |
DF280-43 |
168 |
376 |
1480 |
249.6 |
440 |
69 |
7 |
360 |
1480 |
2066 |
737 |
780 |
200 |
200 |
级数8 |
280 |
344 |
340.8 |
77 |
5.5 |
336 |
304 |
376 |
74 |
3.9 |
DF280-43 |
168 |
423 |
1480 |
280.8 |
440 |
69 |
7 |
360 |
1590 |
2196 |
737 |
780 |
200 |
200 |
级数9 |
280 |
387 |
383.4 |
77 |
5.5 |
336 |
342 |
432 |
74 |
3.9 |