W.V. Series Screw Pump
- 1.Material code
2.Sealing type code
3.Heating code
4.Screw pitch
5.Pump type code:
Z-External bearing, long shaft
ZK-External bearing, short shaft
ZJ-Internal bearing
6.Size and variety code
7.Series code:W-Horizontal Pump;V-Vertical PumpMaterial Code
Material of Pump Body
Material of Pump Shaft
Material of Screw Pitch
W72
ZG35
0Cr17Ni4Cu4Nb
0Cr17Ni4Cu4Nb
W73
HT250
0Cr17Ni4Cu4Nb
16MnCrs5
W74
HT250
0Cr17Ni4Cu4Nb
ZQSn10-1
W75
QT400-15
0Cr17Ni4Cu4Nb
16MnCrs5
W76
ZQSn3-7-5-1
0Cr17Ni4Cu4Nb
0Cr17Ni4Cu4Nb
W77
0Cr18Ni12Mo2
0Cr17Ni4Cu4Nb
0Cr17Ni4Cu4Nb
W78
HT250
0Cr17Ni4Cu4Nb
HT250
W79
HT250
0Cr17Ni4Cu4Nb
0Cr17Ni4Cu4Nb
W80
20
0Cr17Ni4Cu4Nb
16MnCrs5
W81
20
0Cr17Ni4Cu4Nb
16MnCrs5
W82
1Cr18Ni9Ti
0Cr17Ni4Cu4Nb
0Cr17Ni4Cu4Nb
W83
00Cr22Ni15Mo3N
00Cr22Ni15Mo3N
00Cr22Ni15Mo3N
Table of Variety and Sizes of Pump
Horizontal
Cast
2.1
3.1
4.1
5.1
6.4
7.2
7T.2
8.4
9.2
10.1
Welded
-
3.2
4.2
5.2
6.5
7.3
7T.3
8.5
9.3
10.2
Vertical
Cast
-
-
4.1
5.1
6.4
7.2
7T.2
8.4
-
-
Welded
-
-
4.2
5.2
6.5
7.3
7T.3
8.5
9.3
-
Technical Parameters
Speed n=950r/min
Size
Pressure
Viscosity ( mm²/s )
300
750
1500
2000
Capacity ( m³/h )
Power ( kw )
Capacity ( m³/h )
Power ( kw )
Capacity ( m³/h )
Power ( kw )
Capacity ( m³/h )
Power ( kw )
2.1-24
0.2
4.1
1.7
4.2
2.3
4.2
2.9
4.2
3.1
0.4
3.8
2.0
4.0
2.5
4.1
3.2
4.1
3.3
0.6
3.6
2.2
3.9
2.8
4.0
3.4
4.0
3.5
0.8
3.5
2.5
3.7
3.0
3.9
3.6
3.9
3.8
1.0
3.3
2.7
3.6
3.3
3.8
3.9
3.8
4.0
2.1-34
0.2
6.0
2.1
6.2
2.7
6.2
3.5
6.2
3.6
0.4
5.7
2.5
5.9
3.1
6.0
3.8
6.1
4.0
0.6
5.5
2.8
5.7
3.4
5.9
4.2
5.6
4.4
0.8
5.2
3.2
5.6
3.8
5.7
4.6
5.8
4.7
1.0
5.0
3.5
5.4
4.2
5.6
4.9
5.7
5.1
2.1-46
0.2
8.1
2.4
8.3
3.1
8.3
3.9
8.4
4.1
0.4
7.7
2.9
7.9
3.6
8.1
4.4
8.2
4.6
0.6
7.3
3.4
7.7
4.1
7.9
4.9
8.0
5.1
0.8
6.9
3.9
7.4
4.6
7.7
5.4
7.8
5.6
1.0
6.6
4.4
7.2
5.1
7.5
5.9
7.6
6.1
4.1/4.2-78
0.2
31.9
6.3
32.3
7.9
32.5
9.8
32.6
10.3
0.4
30.9
8.2
31.6
9.8
31.9
11.7
32.1
12.1
0.6
30.0
10.0
30.9
11.6
31.4
13.5
31.6
14.0
0.8
29.2
11.9
30.3
13.5
30.9
15.4
31.2
15.8
1.0
28.4
13.7
29.7
15.3
30.5
17.2
30.7
17.7
5.1/5.2-87
0.2
52.5
11.7
53.2
14.8
53.6
18.5
53.7
19.3
0.4
50.8
14.8
51.9
17.8
52.6
21.6
52.8
22.4
0.6
49.3
17.8
50.8
20.9
51.7
24.6
52.0
25.5
0.8
48.0
20.9
49.8
24.0
50.9
27.7
51.3
28.5
1.0
46.7
23.9
48.9
27.0
50.2
30.7
50.6
31.6
6.4/6.5-100
0.2
89.7
14.8
90.5
18.5
90.9
22.5
91.1
23.4
0.4
87.6
20.0
88.9
23.4
89.7
27.6
90.0
28.6
0.6
85.7
25.1
87.6
28.6
88.6
32.8
89.0
33.7
0.8
84.1
30.3
86.3
33.7
87.7
37.9
88.1
38.9
1.0
82.5
35.4
85.2
38.9
86.7
43.1
87.3
44.0
7.2/7.3-112
0.2
172.5
26.9
173.7
33.0
174.3
40.3
174.6
42.0
0.4
169.6
36.7
171.5
42.8
172.6
50.1
173.0
51.8
0.6
166.9
46.5
169.6
52.6
171.1
60.0
171.6
61.6
0.8
164.5
56.4
167.8
62.5
169.7
69.8
170.3
71.4
1.0
162.3
66.2
166.1
72.3
168.4
79.6
169.1
81.3
7.2/7.3-130
0.2
199.7
29.8
200.9
36.3
201.7
44.3
201.9
46.0
0.4
196.5
41.1
198.6
47.7
199.8
55.6
200.2
57.4
0.6
193.7
52.5
196.5
59.1
198.1
67.0
198.7
68.8
0.8
191.1
63.8
194.6
70.4
196.6
78.3
197.3
80.1
1.0
188.6
75.2
192.8
81.8
195.2
89.7
196.0
91.5
7.2/7.3-150
0.2
326.4
49.1
328.8
59.9
330.1
73.0
330.6
76.0
0.4
320.2
67.7
324.2
78.6
326.5
91.6
327.3
94.6
0.6
314.7
86.3
320.2
97.2
323.3
110.3
324.4
113.2
0.8
309.8
105.0
316.5
115.8
320.4
128.9
321.8
131.9
1.0
305.1
123.6
313.1
134.5
317.7
147.5
319.3
150.5
8.4/8.5-150
0.2
606.7
96.6
610.8
118.7
613.2
145.5
614.1
151.4
0.4
596.0
131.2
602.9
153.3
607.0
180.0
608.4
186.0
0.6
586.6
165.7
596.0
187.9
601.5
214.5
603.4
220.6
0.8
578.0
200.3
589.7
222.5
596.4
249.1
598.8
255.1
1.0
569.9
234.9
583.7
257.6
591.7
283.7
594.5
289.7
9.2/9.3-150
0.2
797.6
211.8
801.5
271.3
803.7
342.9
804.5
359.1
0.4
787.4
256.9
794.0
316.4
797.8
388.1
799.1
404.3
0.6
778.6
302.0
787.5
361.5
792.6
433.2
794.4
449.4
0.8
770.4
347.2
781.0
406.7
787.9
478.3
790.1
494.5
1.0
762.8
392.3
775.8
451.8
783.4
523.5
786.0
539.7
1.High self-priming.
2.Low noise level, nearly pulsation free pump without shear and without emulsification of medium pumped.
3.High overall efficiency.
4.Suit for varieties applications by means of different construction types and pump sizes.
5.Multiphase pumping including gas, liquids.
