Our company not only provides you with high-quality Liquid Type Water Meter, Removable Element Woltman Cold Water Meter, Wireless LCD Display Digital Water Meter, but also can tailor solutions for your exclusive applications according to the changes in market application scenarios, thereby increasing your business income and market competitiveness. Our company establishes market leadership for you with high-efficiency production capacity and complete supply methods. We adhere to client 1st, top quality 1st, continuous improvement, mutual advantage and win-win principles.
Electronic Water Meter
WMD15 to WMD50 is a complete electronic water meters without registers, measures cold (hot) potable water for residential application in sizes 15mm to 50mm. It is wiht digital reading.
Features:
Adopting the advanced technology of data coding and verification, with high communication reliability
Meeting EMC/ESD/EMI, the design requirements of electromagnetic compatibility for the electronic products, reaching the industrial leading level.
Supper low power consumption design, no need of maintenance for the circuit.
Water proof grade as IP 68, suitable for different complicated environment.
Anti-drop and anti reverse flow.
High sensitive and high endurance structure, with long lifetime.
Anti-magnetic.
Designed as the function of flow meter.
Standard Compliance
Technical data conforms to ISO 4064 Class B, Class C, R80, R100, R125 or R160 standard for horizontal installation.
Optional Features
*Several lengths and connections available on request
*Non return Valve
*Pulse output option: reed switch; hall or non-magnetic metal plate.
*Meter body: Brass, plastic, iron and stainless steel for selecting.
Working Conditions
Water temperature: ≤50ºC for cold water meter Water temperature: ≤90ºC for hot water meter Water pressure: ≤1MPa or 1.6MPa optional (10bar or 16bar optional)
Installation requirements
*The meter should be installed in horizontal position with the direction of the flow as 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(Q1) inclusive up to but excluding Qt (Q2) is ±5%.
In the upper zone from Qt(Q2) inclusive up to and including Qmax(Q4) is ±2%(cold water meter).
In the upper zone from Qt(Q2) inclusive up to and including Qmax (Q4) is ±3% (hot water meter). 
Accessories
Each water meter has one set couplings optional: 2pcs tube, 2pcs nut and 2pcs gasket
MAIN TECHNICAL DATA According to ISO4064 :2003 (Old Standard)
| Size | Inch | Class | Qmax | Qn | Qt | Qmin | Min reading | Max reading |
| Maximum flow | Nominal flow | Transitional flow | Min flow | |||||
| DN(mm) | m³/h | L/h | m³ | |||||
| 15 | 1/2" | B | 3 | 1.5 | 120 | 30 | 0.00005 | 99999 |
| C | 22.5 | 15 | ||||||
| 20 | 3/4" | B | 5 | 2.5 | 200 | 50 | 0.00005 | 99999 |
| C | 37.5 | 25 | ||||||
| 25 | 1" | B | 7 | 3.5 | 280 | 70 | 0.00005 | 99999 |
| C | 52.5 | 35 | ||||||
| 32 | 11/4" | B | 12 | 6 | 480 | 120 | 0.00005 | 99999 |
| C | 90 | 60 | ||||||
| 40 | 11/2" | B | 20 | 10 | 800 | 200 | 0.00005 | 99999 |
| C | 150 | 100 | ||||||
| 50 | 2" | B | 30 | 15 | 3000 | 450 | 0.00005 | 99999 |
| C | 225 | 90 | ||||||
MAIN TECHNICAL DATA According to ISO4064:2005 (New Standard)
| DN | Mm | 15 | 20 | 25 | 32 | 40 | 50 |
| SIZE | Inch | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 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) | 25 | 40 | 63 | 100 | 160 | 250 |
| Q1(L/h) | 15.62 | 25 | 39.37 | 62.5 | 100 | 156.2 | |
| Min reading(m³) | 0.00005 | 0.00005 | 0.00005 | 0.00005 | 0.00005 | 0.00005 | |
| Max reading(m³) | 99999 | 99999 | 99999 | 99999 | 99999 | 99999 | |
| Max pressure(MAP) | 16 | 16 | 16 | 16 | 16 | 16 | |
| Max loss(ΔP) | 63 | 63 | 63 | 63 | 63 | 63 | |
| Max temperature | T50 | T50 | T50 | T50 | T50 | T50 | |
| Pulse output option | reed switch | Vmax=24V, Imax=100mA, Pmax=2W | |||||
| hall | / | ||||||
| non-magnetic metal plate | / | ||||||
Dimensions and Weight
| Meter Size | Length (L) | Width (B) | Height (H) | Connecting Thread |
| mm | mm | D | ||
| 15 | 165/190 | 98 | 104 | G 3/4B |
| 20 | 190/195 | 98 | 106 | G 1B |
| 25 | 260/225 | 103 | 115 | G1 1/4B |
| 32 | 260/230 | 103 | 115 | G1 1/2B |
| 40 | 300/245 | 124 | 153 | G 2'B |
| 50 | 300 | 124 | 153 | G2 1/2 B |
| 280 | 165 | 175 | Flange connecting GB 4216.4 | |
We uphold the core value of 'creating value for partners' and create value for the Thermometer for Measure Water Temperature Jdp-10A Factory Seller industry through independent innovation and sincere cooperation. Therefore, we welcome all types of talents to join with us. Welcome customers all over the word to contact us for getting further business and reliable relationships.
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