It is a liquid sealed water meter for residentialÂ
application in sizes 15mm-50mm for cold meter.
FEATURES:
Mechanical transmission movement equates to maximum reliability.
The chamber of the rollers is liquid filled sealed for protecting the inner
parts from the moisture and dust penetration.
Sealed wet dial register.
Internal strainer, inlet strainer.
External regulating device, particularly suited in lower quality water.
Standards ComplianceÂ
Directive 2004/22/EC on measuring instruments;Â
the European  Standard EN14154+A1+A2: Water Meter;Â
the International  Organization of Legal Metrology OIML R-49: 2006(E)
Optional FeaturesÂ
Several lengths and connections available on request
Non return Valve
Working Conditions
Water temperature: ≤50ºC for cold water meter Â
Water pressure:   ≤1MPa or 1.6MPa optional
                 (10bar or 16bar option)
Accessories
Each meter has one set coupling optional: 2pcs coupling, 2pcs coupling nuts and 2pcs washers.
Installation requirements
The meter should be installed in horizontal position with the direction of the flow asÂ
indicated by the arrow cast in the meter body with the register face upwards.
Pipeline must be flushed before installation.
The meter should be constantly full of water during operation.
Maximum Permissible Error
In the lower zone from Qmin inclusive up to but excluding Qt is ±5%.
In the upper zone from Qt inclusive up to and including Qs is: cold water meter ±2%.
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| DN(mm) | 15 | 20 | 25 | 32 | 40 | 50 | |
| Size(inch) | 1/2" | 3/4" | 1†| 1-1/4“ | 1-1/2" | 2" | |
| Q4(m³/h) | 3.125 | 5 | 7.875 | 12.5 | 20 | 31.25 | |
| Q3(m³/h) | 2.5 | 4 | 6.3 | 10 | 16 | 25 | |
| R80 | Q2(l/h) | 50 | 80 | 126 | 200 | 320 | 500 |
| Q1(l/h) | 31.25 | 50 | 78.75 | 125 | 200 | 312.5 | |
| R100 | Q2(l/h) | 40 | 64 | 100.8 | 160 | 256 | 400 |
| Q1(l/h) | 25 | 40 | 63 | 100 | 160 | 250 | |
| R125 | Q2(l/h) | 32 | 51.2 | 80.64 | 128 | 204.8 | 320 |
| Q1(l/h) | 20 | 32 | 50.4 | 80 | 128 | 200 | |
| R160 | Q2(l/h) | 22.5 | 40 | 63 | 10 | 160 | 250 |
| Q1(l/h) | 15.62 | 25 | 39.37 | 62.5 | 100 | 156.2 | |
| Max.Reading (m³) | 99999 | 999999 | |||||
| Min.Reading (Liter) | 0.05 | ||||||
| Max.Pressure (bar) | 16 | ||||||
| Pressure Loss (ΔP) | 63 | ||||||
| Max.Temperature | T30 or T50 | ||||||
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Ningbo Autrends International Trade Co., Ltd. , https://www.zjouterlead.com