We insist over the principle of development of 'High top quality, Performance, Sincerity and Down-to-earth working approach' to supply you with exceptional services of processing for Hot Water Meter, Remote Reading Volumetric Meters, Single Jet Water Meter Liquid Sealed. We warmly welcome clientele from all around the environment coming above for a visit and establishing long lasting connection. After years of quality management, our sales volume and brand image have already possessed certain strength. We persistently develop our enterprise spirit 'quality lives the business, credit score assures cooperation and retain the motto inside our minds: consumers very first. On the road of future development, we will continue to carry forward the enterprise spirit of 'pursuing excellence and sincere service', adhere to the working philosophy of 'down-to-earth, pioneering and innovative, striving for first-class', and work hard to provide customers with a full range of quality services.
15mm Prepaid Water Meters
LXSK-E2 is RF Card (inductive) intelligent water meter with remote valve control function in sizes from 15mm to 40mm. It measures the volume of cold water or drinking water passing through the pipelines.
Features
* One meter, one card.
* Multi jet dry or wet type water meter with valve control.
* Ball valve adopted, motor-driven.
* Prepayment Function: user pay first. No payment, no water.
* Synchronization Display Function: LCD display and mechanical display at the same time.
* Alarm function: The valve will close automatically and LCD display alarm information when the balance is less than the set certain volume.
* Battery Shortage:When the battery is not sufficient, the valve shall close automatically
* Anti-magnetic Attack Function: Water meter has automatic protection function. It will shut off the valve when magnetic field approaches.
* Pulse output option: reed switch; hall
Standard Compliance
Technical data conforms to ISO 4064 Class B, R80, R100 standard for horizontal installation.
Main Technical Parameters
Working voltage of sensors: DC2.8 to 3.6V (hall), DC1-10V (reed switch) Power supply: 3.6V Lithium Battery Static Working Current: ≤7uA Status Protection: Self data memory, and save data for more than 10 years. Installation Mode: Horizontal Installation Number of sensors: 2 (double pulse) Working water temperature: 0.1ºC to 30ºC Pressure loss: ≤0.1 Mpa Valve's switching time: 7s No-load working current: 25~35 mA Block running current: ≥ 150Ma Motor life: valve switching times is more than 5,000 times.
Working Conditions
Water temperature: ≤50ºC for cold water meter
Water temperature: ≤90ºC for hot water meter
Water pressure: ≤1MPa (10 bar) Working humidity:<85%
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 |
| 20 | 3/4" | B | 5 | 2.5 | 200 | 50 | 0.00005 | 99999 |
| 25 | 1" | B | 7 | 3.5 | 280 | 70 | 0.00005 | 99999 |
| 32 | 11/4" | B | 12 | 6 | 480 | 120 | 0.00005 | 99999 |
| 40 | 11/2" | B | 20 | 10 | 800 | 200 | 0.00005 | 99999 |
MAIN TECHNICAL DATA According to ISO4064:2014(New Standard)
| DN | Mm | 15 | 20 | 25 | 32 | 40 |
| SIZE | Inch | 1/2" | 3/4" | 1" | 11/4" | 11/2" |
| Q4(m³/h) | 3.125 | 5 | 7.875 | 12.5 | 20 | |
| Q3(m³/h) | 2.5 | 4 | 6.3 | 10 | 16 | |
| R80 | Q2(L/h) | 50 | 80 | 126 | 200 | 320 |
| Q1(L/h) | 31.25 | 50 | 78.75 | 125 | 200 | |
| R100 | Q2(L/h) | 40 | 64 | 100.8 | 160 | 256 |
| Q1(L/h) | 25 | 40 | 63 | 100 | 160 | |
| Min reading(m³) | 0.00005 | 0.00005 | 0.00005 | 0.00005 | 0.00005 | |
| Max reading(m³) | 99999 | 99999 | 99999 | 99999 | 99999 | |
| Max pressure(MAP) | 16 | 16 | 16 | 16 | 16 | |
| Max loss(ΔP) | 63 | 63 | 63 | 63 | 63 | |
| Max temperature | T50 | T50 | T50 | T50 | T50 | |
| Pulse output option | reed switch | |||||
| hall | ||||||
Dimensions and Weight
| Meter size | Length | Width | Height | Connecting Thread |
| Dia | ||||
| DN | L | W | H | D |
| mm | mm | |||
| 15 | 165 | 105 | 116 | G 3/4B |
| 20 | 195 | 105 | 116 | G 1B |
| 25 | 225 | 105 | 116 | G1 1/4B |
| 32 | 225 | 105 | 116 | G1 1/2B |
| 40 | 360 | 115 | 225 | G 2'B |
The RF Card Prepayment Flow Water Meter of our company is dependable in quality, competitive in prices, excellent in quality and sustainable. With our superb technology and high-quality service, we are favored by large customers at home and abroad, and have won wide acclaim from all walks of life. We adhere to the development concept of quality for benefit, technology for progress and management for development.
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