This standard specifies the type and basic parameters of submerged centrifugal pumps. This standard applies to pumps conveying corrosive liquids that do not contain solid particle abrasives. The temperature of the conveying medium is 0~-105℃. JB/T 6884-1993 Submersible centrifugal pump types and basic parameters JB/T6884-1993 Standard download and decompression password: www.bzxz.net

J71 | | tt | | JB | -13 Release
Ministry of Machinery Industry of the People's Republic of China
Implemented on 1994-07-01
Release
Machinery Industry Standard of the People's Republic of China
Liquid type Centrifugal pump type and basic parameters
1 Subject content and scope of application
This standard specifies the type and basic parameters of submerged centrifugal pumps (hereinafter referred to as), JB/T6884-93
This standard applies to pumps transporting corrosive liquids that do not contain homogeneous abrasive particles. The temperature of the conveying medium is 0~105C. 2 Reference standard
GB/T5656 high-center pump technical conditions (Class I) 3 Product type and basic parameters
3.1 Structural type
The pump is single-stage, single-suction vertical.
3.2 Basic parameters
3.2.1 The performance parameters at the basic speed should comply with the provisions of Table 1, and the performance parameters at reduced speed should comply with the provisions of Table 2. The parameters listed in Table 1 and Table 2 are values ??at specified points when using clean water at normal temperature. The performance range is shown in Figure 1. Table 1
Type
No.
25FY-50
25FY-32
25FY-20
40FY-50||tt| |40FY32
40FY-20
50FY-80
50FY-50
50FY-32
50FY-20
65FY-80
65FY-50
65FY-32
65FY-20
80FY-80
80FY-50
Stream||tt| |m*/h
3.2
6. 3
12.5
25
50
Ministry of Machinery Industry 1993-07-13 Approval
Quantity Q
L/s
0. 89
1.75
3. 47
6.94
13.89
Head H
m
50
32
20
50
32
20| |tt||80
50
32
20
80
50
32
20||tt ||80.
50
speed
r/mnin
2900
efficiency
%
11|| tt||15
24. 5
21
30. 5
37
27
36.5
43
49
42
48.5
54.5
59.5
54
59.5

16
23
33
23
33
47
23
33|| tt||47
66
33
47
66
93
47
66||tt| |1994-07-01Implementation
1
Type
No.
80FY-32
80FY-20
100FY-80| |tt||100FY-50
100FY32
100FY-20
150FY-50
150FY-32
150FY-20
200FY-50
200FY-32
200FY-20
Type
No.
25FY-50
25FY-32||tt ||25FY—20
40FY-50
40FY-32
40FY--20
50FY-50
50FY-32||tt| |50FY-20
65FY-50
65FY-32
65FY-20
80FY-50
80FY-32
80FY -20
100FY-50
100FY-32
100FY-20
150FY-32
150FY-20
200FY-32
200FY-20
2
stream
m'/h
50
100
200||tt ||400
stream
m*/h
1.6
3.2
6.3
12.5
25|| tt||50
132.5
265
Q
Quantity
L/s
13.89
27.78|| tt||55.56
111.11
Quantity
Q
L/s
0. 44
0. 89||tt| |1.75
3. 47
6. 94
15.89
36.81
73.61
JB/T6884-93||tt| |Continued Table 1
Head H
m
32
20
80
50
32||tt ||20
50
32
20
50
32
20
Table 2||tt| |Head
H
m
12.5
8
5
12.5
8
5
12.5
9
12. 5
8
5
12.5
8
5
12. 5
8
5
14.5
9
14. 5
9||tt| |speed
T/min
2900
1450
speed#
t/min
1450.
970
Efficiency
%
64
65.5
64
68
70
70|| tt||69.5
71.5
73.5
74. 5
76.5
76.5
efficiency
%|| tt||6
10
19.5
15
24.5
31
30.5
37||tt| |43wwW.bzxz.Net
43
53
54. 5
58.5
60.5
64
65. 5|| tt||65.5
68
70
73.5
73.5
比运数
93
132
66
93
132
187
66
93
132
93
132
187
比运数
16
23
33
23
33
47
33
47
66
47| |tt||66
93
66
93
132
93
132
187||tt ||93
132
132
187
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JB/T6884-93
3.2.2 paramater的设计和这些应电影GB/T5656's regulations。 电影设计设计
3.3
FY-
名形叶轮设计的电影.扬程，m
液下式耐例如离心标
探口口diameter，mm
推行口的剧情：
探口口迈的40mm、扬程的50m、叶轮diameter手机切制的液下式离心标：40FY-50A
4 rotation direction
从这个端看，pump的indigo rotation direction的顺时针。 Additional description：
本标准由深圳工业部沈阳水票研究是是以归口。本标准由沈阳水票研究线贵起草。本标准电汉起草人杨丽华。
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