Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of industrial pulse woltman type water meter dn100 cast iron irrigation water meter in China. If you're going to wholesale high quality industrial pulse woltman type water meter dn100 cast iron irrigation water meter, welcome to get pricelist and quotation from our factory.
LXXG(R)-50~300(mm)
Irrigation Horizontal vane wheel, dry-dial cold (hot) water meter
Application
Measuring the volume of cold (hot) water passing through the pipeline.water meter is used for irrigation,municipality etc
Features
·Removable element structure, easy installation and maintenance
·Dry-dial, Magnetic drive
·Large flow capacity, small pressure loss
·Resist water hummer and pollution
·Vacuum sealed register ensures the dial keep free from condensation and keep the reading clear in a long term service
·Selected high quality materials for steady and reliable characteristic
·Technical data conform to international standard ISO 4064/ISO9100
·With high accuracy
·Product accessories include connectors, filters, connection accessories, pipe accessories, Flange, filter
Optional Features
·Plastic register, copper register and full glass register
·Accuracy: R=25/20/50
·Size: DN50-DN300
·Cold / Hot water
·Reed switch option
·Flange standard can be choose
·360 degree rotate can be choose
·Cast iron, Ductile iron, stainless steel,GG25,GGG50,SS304,SS316 body can be choose
·Working pressure: PN16/25
·Provide pulse output
Working Condition
·Water temperature: 0.1℃~50℃ (0.1℃~90℃ for hot water meter)
·Water pressure: ≤1.0Mpa (1.6MPa on request)
Maximum Permissible Errors
·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 ±2% (±3% for hot water meter)
Dimensions
Type | Size | Length | Height | Connecting Flange | ||
mm | D1 Outside Diameter | D2 Bolt Circle Diameter | Connecting Bolts(n-M) | |||
LXXG-50 | 50 | 200 | 253 | 165 | 125 | 4-M16 |
LXXG-65 | 65 | 200 | 268 | 185 | 145 | 4-M16 |
LXXG-80 | 80 | 225 | 284 | 200 | 160 | 8-M16 |
LXXG-100 | 100 | 250 | 295 | 220 | 180 | 8-M16 |
LXXG-125 | 125 | 250 | 310 | 250 | 210 | 8-M16 |
LXXG-150 | 150 | 300 | 339 | 285 | 240 | 8-M20 |
LXXG-200 | 200 | 350 | 382 | 340 | 295 | 8-M20(1.0Mpa) |
12-M20(1.6Mpa) | ||||||
LXXG-250 | 250 | 450 | 438 | 395 | 350 | 12-M20(1.0Mpa) |
405 | 355 | 12-M24(1.6Mpa) | ||||
LXXG-300 | 300 | 500 | 488 | 445 | 400 | 12-M20(1.0Mpa) |
460 | 410 | 12-M24(1.6Mpa) | ||||
NOTE: The flange dimension conforms to ISO7005-1:1988 standard. Flange standard can be customized. Order for products of special requirements is also accepted
Pulse Position
Size | Pulse Position |
DN50-200 | 100/1000L/Pulse |
DN250-DN300 | 1000L/Pulse |
Pressure Loss Curve
Flow Technique Specification
Nominal Flow | Maximum Flow Q4 | Permanent Flow Q3 | Q3/Q1 | Q2/Q1 | Transi tional Flow Q2 | Minimum Flow Q1 | Minimum Reading | Maximum Reading | ||
DN | m³/h | m³/h | m³ | |||||||
50 | 31.25 | 25 | 20 | 4 | 5 | 1.25 | 0.002 | 0.0002 | 999,999 | 999,999 |
65 | 50 | 40 | 20 | 4 | 8 | 2 | 0.002 | 0.002 | 999,999 | 9,999,999 |
80 | 78.75 | 63 | 20 | 4 | 12.6 | 3.15 | 0.002 | 0.002 | 999,999 | 9,999,999 |
100 | 125 | 100 | 20 | 4 | 20 | 5 | 0.002 | 0.002 | 999,999 | 9,999,999 |
125 | 200 | 160 | 20 | 4 | 32 | 8 | 0.002 | 0.002 | 999,999 | 9,999,999 |
150 | 312.5 | 250 | 20 | 4 | 50 | 12.5 | 0.002 | 0.002 | 999,999 | 9,999,999 |
200 | 500 | 400 | 20 | 4 | 80 | 20 | 0.002 | 0.002 | 999,999 | 9,999,999 |
250 | 787.5 | 630 | 20 | 4 | 126 | 31.5 | 0.02 | 0.02 | 9,999,999 | 99,999,999 |
300 | 1250 | 1000 | 20 | 4 | 200 | 50 | 0.02 | 0.02 | 9,999,999 | 99,999,999 |
The Operation Description Of The Two Reed Switches System
Please see the diagram of the two reed switches system below, the two reed switches woud be operated “ON” OR”OFF” respectively by the magnet fitted to the pointer or gear during its running on the register, but never “ON” at the same time ,unless the out- magnet attackes.
The two reed switches operate two “ON” and two “OFF” in one round of the pointer or the gear means one signal output, this principle prevent the loss or overcounting of the signal output due to the switches joggling or the pipe vibrating, so assures reliability of the signal output.
Warranty
All meters will be guaranteed against defects in workmanship and materials for a period of one (1) year from the date of acceptance. Defective meters or parts discovered within this period shall be replaced without charge upon return to the S.H.Meters.
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