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     All technical data on the website is edited according experiment of occasion or library and report of our customer, it is impossible to include all possibility working condition , so we don’t assure the accommodated seal and working condition can completely satisfy the practice working condition. So, for special working condition and occasion, please contact our technical department to research specially.

     All pressure,temperature, speed and PH value display in this website is the max value of experiment, please pay attention to that because of manual restrict of each working parameter, the max value should be a little lower.

technique center >> Basic knowledge
Mechanical seal basis
Application of Lubricate slot and liquid buffer gasket seal at hot water work condition
Seal's Leak Standard
The selection of seal gasket
Metallic spirotallic gasket
Common seal style map

Seal's Leak Standard

Refer to 《Chemistry Industry  Centrifugal Pump Product Quality Classify》
1、Mechanical seal

Specifications and size
Leak quantity ml/h（≤）
Leak quantity ml/h（≤）
Leak quantity ml/h（≤）
 
Qualified  
First-class
Excellent
≤50
3
3
2
＞50
5
4
3


2、填料密封在保证填料函温升正常的前提下
Design flux（m3/h）
Leak quantity ml/min（≤）
Leak quantity ml/min（≤）
Leak quantity ml/min（≤）
 
Qualified  
First-class
Excellent
≤50
15
15
13.5
＞50～100
20
20
18
＞100～300
30
30
27
＞300～1000
40
40
36
＞1000
60
60
54
 
 
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