Single-Jet Water Meter
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Single-Jet Water Meter

Mechanical water meter

Our single-jet water meters, which are a type of mechanical meters, are designed for measuring smaller water flows and excel in various applications. These meters are widely used in residential water metering and commercial and small industrial settings. They're also effective in monitoring water usage in public facilities and institutions.

Specifications
Nominal diameter Approval ratio R Overload flowrate Q4 Permanent flowrate Q3 Transitional flowrate Q2 Minimal flowrate Q1 Resolution of reading Maximum reading
mm Q3/Q1 m³/h m³
15 80 3.1 2.5 0.05 0.031 0.00005 99,999
20 80 5 4 0.08 0.05 0.00005 99,999
25 80 7.9 6.3 0.126 0.079 0.00005 99,999
Dimensions
Dimensions
Nominal diameter Length L1 Length L Width B Height H Threaded connection
mm D d
15 165 203 82 88 G¾B R1/2
20 195 233 82 90 G1B R3/4
25 225 250 82 94 G1⅓B R1
Features
  • Vacuum-sealed to prevent fogging, the dial stays clear and readable over extended periods.
  • Each meter meets the ISO 4064 Class B standard, ensuring accuracy in every reading.
  • Available with natural or coated copper casings to match your specific needs.
  • Comes with a built-in filter at the water inlet to ensure clean and unobstructed flow.
  • Can be equipped with a pulse output feature for advanced monitoring.
  • Suitable for cold water applications up to 50°C and hot water up to 90°C.
  • Available in water pressure ratings of ≤1MPa or 1.6MPa (10bar or 16bar), catering to various system requirements.
Working Conditions
  • Temperature class: cold water meter: T30; hot water meter: T30/T90
  • Pressure class: MAP10
  • Pressure loss class: Δp63
  • Upstream flow field sensitivity class: U10
  • Downstream flow field sensitivity class: D5
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Why Us

Since 1966, Lianyungang Water Meter Co., Ltd. has been an innovation in water meter technology. Based in Jiangsu Province, we're recognized as a high-tech enterprise for our innovative and reliable solutions. We combine decades of experience with a commitment to quality, making us a trusted choice for customers worldwide. Langhua is not just about water meters; it's about delivering efficient and accurate water management tools.

  • Company experience Company experience 58+

    Established in 1966, Lianyungang Water Meter Co., Ltd. has been at the vanguard of the water meter industry for over 57 years. Our journey from a modest beginning to a nationally recognized high-tech enterprise in Jiangsu Province exemplifies our commitment to quality and customer satisfaction.

  • Annual output Annual output 3,000,000+

    Thanks to our advanced manufacturing facility and advanced production lines, we can achieve an annual output of over 3 million water meters. This capacity reflects our excellent manufacturing capabilities and our ability to meet the growing demands of both national and international markets.

  • OEM Service OEM Service

    Our OEM services demonstrate our flexibility and expertise in customization. Catering to a broad range of needs, we've provided hundreds of companies with tailor-made water meters, ensuring precise measurements and durability across various applications.

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