Adds Value to Water · Ningbo, China

Reliable Water Meters, Built in Our Own Factory

From Ningbo, the water meter capital of China. Multi-jet, single-jet, hot water, prepaid, IoT and rotary piston water meters, DN15 to DN32, for utilities, contractors and distributors. OEM and private label available.

Wanjian LXSG-E5 multi-jet water meter
Own FactoryDirect pricing
OEM / ODMYour brand, your dial
Smart MeteringPrepaid · NB-IoT · LoRaWAN
Fast ReplyWithin 24 hours

Our Products

Full specifications and datasheets available on request.

LXSG-E5 Series · AMR Ready

Multi-Jet Dry-Dial Water Meter

Our full-range brass multi-jet meter for utility projects. Choose DN15 to DN32 and R100 or R160 accuracy. With non-magnetic sensing it is AMR ready, so remote reading can be added later without replacing the meter.

ModelLXSG-E5
TypeMulti-jet, dry dial
SizesDN15 / DN20 / DN25 / DN32
StandardISO 4064
Permanent flow Q3DN15 2.5 · DN20 4.0 · DN25 6.3 · DN32 10.0 m³/h
Ratio Q3/Q1R100 or R160 (optional)
BodyBrass, blue epoxy coating
Remote readingAMR ready, non-magnetic / magnetoresistive sensing
SealTamper-evident wire seal
OEMCustom dial logo & packaging
Inquire Now
LXSK Series · Prepaid

Prepaid RF Card Water Meter

Users top up credit on a contactless RF card and load it into the meter. When credit runs out, the built-in valve closes automatically, so utilities and landlords are paid in advance with no manual reading or unpaid bills. Supplied with water-vending management software.

ModelLXSK
PaymentPrepaid, contactless RF card
ValveBuilt-in, auto shut-off at zero credit
SoftwareWater-vending management system included
SizesDN15 / DN20 / DN25 / DN32
StandardGB/T 778-2018 (equivalent to ISO 4064)
Permanent flow Q3DN15 2.5 · DN20 4.0 · DN25 6.3 · DN32 10.0 m³/h
Ratio Q3/Q1R100
ProtectionIP68
Environment classB, E1
DisplayLCD + mechanical register
Battery lifeUp to 6 years
OEMCustom faceplate & packaging
Inquire Now
LXSGY-K Series · IoT

IoT Smart Water Meter

Readings are sent automatically over NB-IoT, LoRa or LoRaWAN, so utilities can bill and monitor every connection without site visits. The built-in valve can be closed remotely for unpaid accounts or leaks. Use our meter-reading platform, or connect meters to your own system through our API.

ModelLXSGY-K
CommunicationNB-IoT / LoRa / LoRaWAN
ValveBuilt-in, remote open / close
SoftwareMeter-reading platform included; API for your own system
SizesDN15 / DN20 / DN25 / DN32
StandardGB/T 778-2018 (equivalent to ISO 4064)
Permanent flow Q3DN15 2.5 · DN20 4.0 · DN25 6.3 · DN32 10.0 m³/h
Ratio Q3/Q1R100
ProtectionIP68
Environment classB, E1
DisplayLCD + mechanical register
OEMCustom faceplate & packaging
Inquire Now
LCD Single-Jet · Smart

Electronic Single-Jet Water Meter

A compact brass single-jet meter with a digital LCD register and R200 accuracy, so even small leaks and low flows are recorded. Choose wireless LoRa / LoRaWAN or wired M-Bus / RS485 to fit your reading system.

TypeSingle-jet, electronic LCD register
CommunicationLoRa / LoRaWAN / M-Bus / RS485
StandardISO 4064
Permanent flow Q32.5 m³/h
Ratio Q3/Q1R200
BodyBrass, with inlet strainer
SealTamper-evident seal
OEMCustom faceplate & packaging
Inquire Now
LXSG-S Series

Plastic Multi-Jet Water Meter

Multi-jet measuring chamber for stable accuracy, with a sealed dry dial that stays clear for easy reading. Lightweight, corrosion-free and cost-effective for residential metering.

ModelLXSG-S
TypeMulti-jet, dry dial
SizesDN15 / DN20
StandardISO 4064, Class B
Nominal flow Qn2.5 m³/h (DN20)
Max. pressure16 bar
Pressure loss≤ 1.0 bar
BodyEngineering plastic
RegisterDry dial, 5 digits + 4 pointers
OEMCustom dial logo & packaging
Inquire Now
LXDG-S Series

Plastic Single-Jet Dry-Dial Meter

A compact, lightweight single-jet meter for high-volume residential projects. The sealed dry dial with an 8-digit register reads down to 0.0001 m³, and the plastic body resists corrosion at a low cost per point.

ModelLXDG-S
TypeSingle-jet, rotary vane, dry dial
Permanent flow Q32.5 m³/h
Ratio Q3/Q1R80
Q2/Q11.6
Register8 digits + 0.0001 m³ pointer
InstallationHorizontal
BodyEngineering plastic
OEMCustom dial logo & packaging
Inquire Now
LXDG Series · Hot Water

Brass Single-Jet Hot Water Meter

Compact brass meter rated for hot water up to 90 °C, ideal for apartment sub-metering and floor-heating manifolds. Installs horizontally or vertically, with a built-in inlet strainer and tamper-evident seal.

ModelLXDG
TypeSingle-jet, rotary vane, dry dial
SizesDN15 / DN20
StandardISO 4064
Permanent flow Q31.6 m³/h (DN15)
Ratio Q3/Q1R50
Temperature classT90 (hot water)
Max. pressure (MAP)16 bar
Pressure loss classΔp 63
InstallationHorizontal or vertical
BodyBrass
OEMCustom dial logo & packaging
Inquire Now
New · R400

LXH-R400 Volumetric Rotary Piston Meter

Our new R400 volumetric meter: ultrasonic-class accuracy at a mechanical price. Measures down to 6.25 L/h within ±5%, with no battery.

ModelLXH-R400
SizeDN15 (15 mm)
Ratio Q3/Q1R400
Minimum flow Q16.25 L/h
See LXH-R400 Inquire Now
LXH Series · Plastic / Brass

Volumetric Rotary Piston Meter

Positive-displacement measurement with a high R160 ratio, so even very low flows are recorded accurately. Ideal where utilities need to cut unbilled water. Available in engineering-plastic or brass body.

ModelLXH
TypeVolumetric, rotary piston
SizeDN15 (15 mm)
Permanent flow Q32.5 m³/h
Ratio Q3/Q1R160
Max. pressure (MAP)16 bar
Pressure loss classΔp 63
Temperature classT30 (cold water)
BodyEngineering plastic or brass
OEMCustom label, logo & packaging
Inquire Now

Why Buy From Wanjian

Manufacturer, Not Middleman

We design and assemble in our own factory, so you get factory pricing and direct engineering support.

Tested Before Shipping

Every batch is checked for accuracy and airtightness before it leaves the line.

Private Label

Custom dial printing, logo and packaging for distributors and utilities.

Engineer-Led Team

Talk directly to the people who design the meters, not a call center.

Made in Ningbo

Based in Ningbo, China's water meter hub, with a mature local supply chain for parts and components.

Export Ready

Export packing and shipping documents handled for international buyers.

Get a Quote

Tell us the model, size and quantity you need. We reply within 24 hours.

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