We always think about problems from the perspective of users and assist users in solving problems encountered in the process of using Woltman Water Meter, Automatic Remote Reading Agricultural Water Meter, Prepaid Water Meter. With the enterprise concept of pursuing dream and talking to the world, we have become the industry leader. Adhering to the concept of innovation leading the future, our company adheres to the development path of independent innovation and is committed to providing first-class products and services to global customers.
Municipal Water Meters
LXGR is a hot type irrgation water meter, designed to measure the total volume of unidirectional water passing through large pipeline in sizes of 40mm to 300mm, such as tap water, well water, river water, as well as sewage, except corrosive water.
Features
* Magnetic drive, lower transmission resistance.
* Magnetic shield, for external magnetic field protection.
* Removable structure, easy maintenance.
* Sealed dry dial register ensures clear reading, long working life.
* The measuring mechanism can be removable from the body for checking, maintaining and replacing, and the body needn't be dismantled from the pipeline.
* Inter-exchangeable parts.
* High flow capacity, Low pressure loss, water impact resistance and anti-pollution.
* Can be equipped with reed switch (register can't rotate). Standard Compliance Technical data conforms to ISO 4064 Class A, R20, R25 standard
Working Conditions
Water temperature: ≤50ºC for cold water meter
Water temperature: ≤90ºC for hot water meter
Water pressure: ≤1MPa or 1.6MPa or 4.0 MPa optional (10bar or 16bar r 40 bar optional)
Installation requirements
*A horizontal position with the register face upwards is recommended.
*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). 
MAIN TECHNICAL DATA According to ISO4064 :2003 (Old Standard)
| Meter Size | Measuring | Max Flow | Nominal Flow | Transitional Flow | Min Flow | Min Reading | Max Reading | |
| mm | class | m³/h | m³ | |||||
| 40 | A | 20 | 10 | 1 | 0.4 | 0.0002 | 999999 | |
| 50 | A | 30 | 15 | 4.5 | 1.2 | 0.0002 | 999999 | |
| 65 | A | 50 | 25 | 7.5 | 2 | 0.0002 | 999999 | |
| 80 | A | 80 | 40 | 12 | 3.2 | 0.002 | 999999 | |
| 100 | A | 120 | 60 | 18 | 4.8 | 0.002 | 999999 | |
| 125 | A | 200 | 100 | 30 | 8 | 0.002 | 999999 | |
| 150 | A | 300 | 150 | 45 | 12 | 0.002 | 999999 | |
| 200 | A | 500 | 250 | 75 | 20 | 0.002 | 999999 | |
| 250 | A | 800 | 400 | 120 | 32 | 0.002 | 999999 | |
| 300 | A | 1200 | 600 | 180 | 48 | 0.02 | 9999999 | |
MAIN TECHNICAL DATA According to ISO4064:2005 (New Standard)
| Meter Size | Measuring | Q4 | Q3 | Q2 | Q1 | Min Reading | Max Reading |
| mm | R | m³/h | m³ | ||||
| 40 | 20 | 20 | 16 | 3.2 | 0.8 | 0.0002 | 999999 |
| 50 | 20 | 31.25 | 25 | 5 | 1.25 | 0.0002 | 999999 |
| 65 | 20 | 50 | 40 | 8 | 2 | 0.0002 | 999999 |
| 80 | 20 | 78.7 | 63 | 12.6 | 3.15 | 0.002 | 999999 |
| 100 | 20 | 125 | 100 | 20 | 5 | 0.002 | 999999 |
| 125 | 20 | 200 | 160 | 32 | 8 | 0.002 | 999999 |
| 150 | 20 | 312.5 | 250 | 50 | 12.5 | 0.002 | 999999 |
| 200 | 20 | 500 | 400 | 80 | 20 | 0.002 | 999999 |
| 250 | 20 | 787 | 630 | 126 | 31.5 | 0.002 | 999999 |
| 300 | 20 | 1250 | 1000 | 200 | 50 | 0.02 | 9999999 |
Dimensions and Weight
| Meter size | Length L | Width B | Height H | Connecting thread | Weight | ||
| mm | mm | D | Bolt circle Dia D1 | Conncting bolt | KG | ||
| 40 | 200 | 256 | 253 | 165 | 125 | 4xM16 | 12 |
| 50 | 200 | 256 | 253 | 165 | 125 | 4xM16 | 15 |
| 65 | 200 | 256 | 268 | 185 | 145 | 4xM16 | 15 |
| 80 | 225 | 276 | 284 | 200 | 160 | 8xM16 | 17.5 |
| 100 | 250 | 286 | 295 | 220 | 180 | 8xM16 | 20 |
| 125 | 250 | 301 | 310 | 250 | 210 | 8xM16 | 22 |
| 150 | 300 | 346 | 339 | 285 | 240 | 8xM20 | 33 |
| 200 | 350 | 373 | 382 | 340 | 295 | 8xM20 | 45 |
| 250 | 400 | 493 | 433 | 395 | 350 | 12xM20 | 94 |
| 300 | 450 | 516 | 483 | 445 | 400 | 12xM20 | 114 |
With our leading technology at the same time as our spirit of innovation, mutual cooperation, benefits and advancement, we will build a prosperous future with each other with your esteemed firm for Woltman Type Irrigation Remote Reading Water Meter. We also have a team of professional personnel to provide you with the most efficient solutions. We sincerely hope that we will continue to cooperate with the vast number of users and all walks of life in order to advance hand in hand and develop together from now on.
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