Ningbo Jiangbei Water Meter Factory is a dedicated manufacturer based in Ningbo, China, specializing in a wide range of water metering solutions. We offer a comprehensive selection of high-quality water meters, including volumetric rotary piston, multi-jet dry type, single-jet dry type, and removable Woltman meters, designed for both residential and high-flow applications for cold and hot potable water.
Jiangbei Water Meters:
Features and Specifications
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Volumetric Rotary Piston Water Meters (LXH)
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Application: Primarily for residential use for cold water in sizes from 15mm to 25mm.
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Type: Features a rotary piston with mechanical transmission and a liquid-sealed register.
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Key Features:
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Ensures high sensitivity and accurate registration across a wide flow range.
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Mechanical transmission movement offers maximum reliability and is not influenced by external magnetic fields.
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Liquid-sealed register protects rollers with a special liquid, ensuring clear readings in all operating conditions.
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Corrosion-resistant body.
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Low starting flow rate.
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Suitable for installation in any position.
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Includes an internal non-return valve to prevent reverse flow and an internal strainer.
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Optional Features: Available with meter bodies made of brass, stainless steel, or plastic. Pulse output pre-equipment is optional for remote reading, consisting of a plastic housing with a Reed Switch and a 1.5m cable. The pulse emitter capacity for sizes Dn15, Dn20, and Dn25 is 1 liter / 2 pulses.
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Working Conditions: Water temperature up to ≤50ºC for cold water meters; water pressure of ≤1MPa or 1.6MPa is optional.
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Sizes (DN mm): 15, 20, 25.
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Flow Rates (ISO4064:2005 R-values): R160, R200 for various Q4, Q3, Q2, and Q1 values.
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Maximum Permissible Error: ±5% in the lower zone (from Qmin to Qt excluding) and ±2% in the upper zone (from Qt to Qmax including) for cold water meters.
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Removable Woltman Water Meter (LXLC-B)
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Application: Designed for measurement of high flows of cold potable water in pipelines, with sizes ranging from 40mm to 600mm.
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Type: A velocity-type meter featuring a removable Woltman measuring mechanism.
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Key Features:
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Magnetic drive for lower transmission resistance.
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Sealed dry dial register ensures clear readings.
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The measuring mechanism can be easily removed from the body for checking, maintenance, or replacement without dismantling the body from the pipeline.
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Features inter-exchangeable parts.
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Offers low pressure loss and a long working life.
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Can be equipped with a reed switch (though the register cannot rotate in this configuration).
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Working Conditions: Water temperature up to ≤50ºC for cold water meters and ≤90ºC for hot water meters; water pressure options include ≤1MPa, 1.6MPa, or 4.0 MPa.
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Sizes (mm): From 40 to 600.
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Flow Rates (ISO4064:2005 R-values): R50, R63, R80 for various Q4, Q3, Q2, and Q1 values.
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Installation Requirements: Can be installed in horizontal, vertical, or inclined positions, with horizontal position with the register face upwards recommended.
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Maximum Permissible Error: ±5% in the lower zone (from Qmin to Qt excluding) and ±2% in the upper zone (from Qt to Qmax including) for cold water meters, and ±3% for hot water meters.
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Single Jet Dry Type Water Meter (LXSC-D)
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Application: Suitable for residential applications for cold potable water in sizes from 15mm to 25mm.
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Type: A single-jet super dry water meter of velocity type.
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Key Features:
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Small and light design.
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Magnetic drive for lower transmission resistance.
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Includes a magnetic shield for protection against external magnetic fields.
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Evacuated and sealed dry dial register ensures clear readings.
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Equipped with an inlet strainer.
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The register can rotate more than 360º for easy reading in any position.
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Optional Features: Available with various lengths and connections upon request. Options for a reed switch and meter bodies in brass or plastic are also available.
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Working Conditions: Water temperature up to ≤50ºC for cold water meters and ≤90ºC for hot water meters; water pressure of ≤1MPa or 1.6MPa is optional. Maximum pressure (MAP) is 16 for all listed sizes.
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Sizes (DN mm): 15 (1/2"), 20 (3/4"), 25 (1").
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Flow Rates (ISO4064:2005 R-values): R80, R100, R125, R160 for specific Q4, Q3, Q2, and Q1 values.
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Installation Requirements: Should be installed in a horizontal position with the flow direction indicated by the arrow on the meter body, and the register face upwards.
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Maximum Permissible Error: ±5% in the lower zone (from Qmin to Qt excluding) and ±2% in the upper zone (from Qt to Qmax including) for cold water meters, and ±3% for hot water meters.
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Pulse Output Option: Vmax=24V, Imax=100mA, Pmax=2W.
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Multi Jet Dry Type Water Meter (LXSC-G2)
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Application: A turbine super dry water meter for residential applications in sizes 15mm, 20mm, and 25mm, suitable for both cold and hot potable water.
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Type: Multi-jet, velocity type.
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Key Features:
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All materials in contact with water meet potable water standards.
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Body material is brass or plastic (reinforced polymerization) for corrosion resistance.
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Magnetic drive for lower transmission resistance and a magnetic shield for external magnetic field protection.
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Features a copper can register with IP68 protection from the environment, ensuring clear readings, frost resistance, and freezing resistance.
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Includes an inlet strainer.
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An optional non-return valve is available to prevent reverse flow.
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Pre-equipped pulse output is available.
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Comes with a complete solid lockable plastic shell for a long lifetime and to prevent tampering.
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Working Conditions: Water temperature up to ≤50ºC for cold water meters and ≤90ºC for hot water meters; water pressure of ≤1MPa or 1.6MPa is optional.
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Sizes (DN mm): 15 (1/2"), 20 (3/4"), 25 (1").
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Flow Rates (ISO4064:2014 R-values): R80, R100, R125, R160 for various Q4, Q3, Q2, and Q1 values.
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Installation Requirements: Should be installed in a horizontal position with the flow direction indicated by the arrow on the meter body, and the register face upwards.
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Maximum Permissible Error: ±5% in the lower zone (from Qmin to Qt excluding) and ±2% in the upper zone (from Qt to Qmax including) for cold water meters, and ±3% for hot water meters.
About Ningbo Jiangbei Water Meter Factory
Innovative + ReLIABLE
Ningbo Jiangbei Water Meter Factory, established in 1995, is a well-known manufacturer specializing in the development, design, and production of various mechanical water meters, wireless remote reading water meters, wired remote reading water meters, and water meter parts. Operating under the brand names "JIANGBEI," "Yongcheng," and "Lingquan," their products are sold extensively both domestically and abroad, reaching markets across the Americas, Asia, and Africa. Guided by a philosophy of industrialization of measurement products, being market-oriented, and technology-based, they have achieved an impressive annual production capacity of 1 million water meters and 1.8 million sets of water meter mechanisms.
Their commitment to quality and advanced technology is paramount, strictly adhering to international standards such as ISO4064, OIML R49, and European MID14154. They actively introduce advanced products and technologies from countries like Germany and Italy, employing sophisticated equipment and techniques in our production processes. This dedication ensures that the measurement accuracy of our diverse remote water meters consistently surpasses that of our peers, and our products have successfully passed various quality supervision and random inspections for 20 consecutive years, with all products being qualified. Ningbo Jiangbei Water Meter Factory holds comprehensive certifications, including CE, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, CMS, and CNAS laboratory accreditation, in addition to national manufacturing measurement licenses for higher-level R160 water meters.
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Their extensive product range includes multi-jet wet, multi-jet liquid-sealed, irrigation, photoelectric direct reading remote (with or without valve control), electronic remote, and NB-IOT/LORA /LORAWAN wireless remote water meters (including non-magnetic and valve-controlled variants).
Measurement Innovator
Certifications & Achievements
All Jiangbei Water Meters conform to the ISO 4064 standard.
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LXH Volumetric Rotary Piston Water Meters comply with ISO 4064 Class C, Class D, R160, R200 standards.
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LXLC-B Removable Woltman Water Meters conform to ISO 4064 Class B, R50, R63, and R80 standards.
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LXSC-D Single Jet Dry Type Water Meters conform to ISO 4064 Class B, Class C, R80, R100, R125, and R160 standards for horizontal installation.
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LXSC-G2 Multi Jet Dry Type Water Meters meet ISO 4064 Class B or Class C, R80, R100, R125, and R160 standards.