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Brass volumetric water meter
Available in DN15/DN20, this volumetric water meter offers R80–R160 turndown ratios, fine resolution and wide register range for accurate residential water metering.
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Product Details
Volumetric Rotary-Piston Water Meter
Precision Measurement | Stable Performance | High Accuracy
We introduces the Volumetric Rotary-Piston Water Meter, designed for accurate measurement in closed pipeline systems where precision and reliability are critical. Built with a robust brass casing and advanced piston technology, this meter is ideal for high-quality water applications and billing-sensitive environments.
Measurement Principle
The meter operates using a rotary piston positive displacement mechanism, where:
• Water flow drives the piston rotation inside a defined chamber
• Each rotation represents a fixed volume
• Total flow is calculated by counting piston cycles
This ensures high accuracy independent of flow variations and pressure conditions.
Technical Specifications
• Sizes: DN15 / DN20
• Accuracy Class: Up to R160 / R200
• Flow Range (Q3):
DN15: 2.5 m³/h
DN20: 4.0 m³/h
• Maximum Pressure: 1.0 MPa / 1.6 MPa
• Temperature Range: ≤ 50°C (cold water)
• Minimum Reading: 0.00002 m³
• Max Reading: 9999 m³
Accuracy Performance
• Low flow zone (Q1 ≤ Q < Q2): ±5%
• High flow zone (Q2 ≤ Q ≤ Q4): ±2%
Optimized flow error curve ensures stable accuracy across the full measurement range.
Design & Features
• Positive displacement piston technology
• Counter isolated from water for clear, reliable reading
• Built-in check valve to prevent backflow
• High-quality materials for long-term durability
• Stable performance in clean water applications
• Optional pulse output for remote reading / AMR integration
Applications
• Residential water metering
• Utility billing systems
• Commercial water distribution
• Smart water systems (with pulse output integration).
Outline Dimension Diagram:
DN | Length (mm) | Width (mm) | Connection Thread | Weight (kg) | ||
L | L1 | W | d | D | ||
15 | 115 | 209 | 90 | R1/2 | G3/4 B | 0.525 |
20 | 130 | 234 | 96 | R3/4 | G1 B | 0.725 |
DN | Overload Flow Q4 | Permanent Flow | Transitional Flow Q2 | Minimum Flow Q1 | Minimum Resolution | Register Capacity | ||||||
Q4/Q3=1.25 | R80 | R100 | R125 | R160 | R80 | R100 | R125 | R160 | m3 | m3 | ||
15 | 3.125 | 2.5 | 0.05 | 0.04 | 0.032 | 0.025 | 0.03125 | 0.025 | 0.02 | 0.0156 | 0.0001 | 9999 |
20 | 5 | 4 | 0.08 | 0.064 | 0.0521 | 0.04 | 0.05 | 0.04 | 0.032 | 0.025 | 0.0001 | 9999 |
application
Temporary water metering
Municipal water supply system
Agricultural Irrigation
Industrial production
Civilian water meters
Packaging and shipping
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Qualifications
Linyi City Certificate of Recommendation for Industrial Product Credit Certification
Linyi City Industrial Product Credit Certification Recommendation Certificate
Linyi City Industrial Product Credit Certification Recommendation Certificate
Linyi City Industrial Product Credit Certification Recommendation Certificate
Measurement Management System Certification Certificate
Environmental Management System Certification Certificate
Occupational Health and Safety Management System Certification
Quality management system certification
Occupational Health and Safety Management System Certification
Quality management system certification
Environmental Management System Certification Certificate
FAQ
Can I place an order for a sample?
Yes, we welcome sample orders for testing and quality inspection. Mixed samples are also acceptable.
Are all products tested before leaving the factory?
Yes, all our products undergo testing and calibration during the manufacturing process and are inspected before leaving the factory.
What is your delivery time?
The specific delivery time depends on the quantity of the ordered products and any customization requirements. For standard orders, our warehouse maintains a certain inventory of various products.
What are your payment terms?
Other payment terms such as EXW, FOB, and CIF are negotiable.
How long is the product’s warranty?
Our product comes with a one-year warranty.
What are your packing requirements?
Products are typically packed in sturdy cardboard boxes, and we can also customize the packaging to meet your specific requirements.
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