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Integrated composition of Swing-type valve to prevent backflow with the operation of the blockage plate. |
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Prevention water leakage on an occasion of the backward installation of water gauge. Also prevents |
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winter freeze. |
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Momentary prevention of backward flow of the standing water to feature accurate measurement. |
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Prevention of Water Hammering. Easy removal of sediment deposits, for long-term use of the gauge, |
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by opening the cap. |
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Prevention of operation irregularities that sets the meter counter to be 9,999, on occasions of backward |
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installation or water pressure. Features good and accurate measurement thus. |
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| Type (mm) |
Measure-ments |
15(13) |
20 |
25 |
32 |
40 |
50 |
Drainage rate |
100
multiple |
100
multiple |
100
multiple |
100
multiple |
100
multiple |
100
multiple |
Operating flow |
L/h |
6 |
10 |
15 |
20 |
30 |
50 |
Minimum flow(Q1)
|
¡¾5% |
§©/h |
0.016 |
0.025 |
0.04 |
0.063 |
0.1 |
0.16 |
Flow variation
(Q2/Q1):4
|
¡¾2% |
§©/h |
0.064 |
0.1 |
0.16 |
0.252 |
0.4 |
0.64 |
Maximum flow(Q3)
|
¡¾2% |
§©/h |
1.6 |
2.5 |
4.0 |
6.3 |
10 |
16 |
Scope of flow for good operation |
§©/h |
0.016~0.8 |
0.025~1.2 |
0.04~1.5 |
0.63~3.0 |
0.1~5.0 |
0.16~8.0 |
Maximum indicatable level |
§© |
9,999 |
99,999 |
999,999 |
Length of gauge(mm)
|
165 |
190 |
225 |
230 |
245 |
305 |
Height of gauge(mm)
|
100 |
109 |
114 |
116 |
130 |
155 |
Width of gauge(mm)
|
95 |
100 |
100 |
100 |
117 |
138 |
Screws used within gauge(inch)
|
PF¨ú |
PF1 |
PF1¨ù |
PF1¨ö |
PF2 |
PF2¨ö |
Screws used for the installation
(inch)
|
PT¨ö |
PT¨ú |
PT1 |
PT1¨ù |
PT1¨ö |
PT2 |
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