Introduction

The Rotor Vane Liquid-sealed Water Meter is a mechanical water meter designed for accurate measurement of water flow in small to medium-sized pipelines.

Parameters and Specifications

Nominal caliber	Length (mm)		Width (mm)	Altitude (mm)	Connect the threads		Weight
(DN)	L	L1	B	H	D	D	(Kg)
15	258	165	96	106	R1/2	G3/4B	1.6
20	299	195	96	107	R3/4	G1 B	2.1
25	345	225	101	114	R1	G11/4B	2.6
32	354	230	101	114	R11/4	G11/2B	2.6
40	373	245	124	152	R11/2	G2B	4.5
50	373	280	165	178	R2	G21/2B	16.5

Nominal diameter (mm)	Class of accuracy	Overload flow Q₄	Common flow Q₃	Boundary flow Q₂	Minimum flow Q₁
Nominal diameter (mm)	Class of accuracy	m³/h
LXS-DN15E	Level 2	3.215	2.500	0.040	0.025
LXS-DN20E	Level 2	5.000	4.000	0.064	0.040
LXS-DN25E	Level 2	7.875	6.300	0.100	0.063
LXS-DN32E	Level 2	12.50	10.00	0.160	0.100
LXS-DN40E	Level 2	20.00	16.00	0.256	0.160
LXS-DN50E	Level 2	31.25	25.00	0.400	0.250

Features

Liquid-sealed Register
Prevents fogging and dirt, ensuring clear reading.

High Accuracy
Provides precise measurement across different flow ranges.

Reliable Mechanical Design
No power supply required, stable performance.

Low Starting Flow
Sensitive to small water flow.

Durable Materials
Corrosion-resistant and long service life.

Key Applications

Residential water supply systems
Apartments and housing complexes
Commercial buildings and offices
Water billing and sub-metering systems
Areas with relatively poor water quality
Municipal and small industrial water measurement

Customization

Available sizes: DN15, DN20, DN25, DN32, DN40, DN50
Cold water and hot water versions available
Pressure ratings: PN10 / PN16 optional
Optional register types (liquid-sealed, dry dial, wet dial)
Pulse output / remote reading (AMR/AMI compatible)
Optional accessories: inlet strainer, non-return valve
Connection types: threaded or flanged
Material options: brass, plastic, stainless steel

Why Choose Us

Experienced Manufacturer
Extensive expertise in mechanical water meter production and export

Competitive Pricing
Cost-effective solutions with reliable performance

Customization Capability
Flexible OEM/ODM services to meet diverse project needs

Advanced Technology Integration
Support for smart metering systems and remote reading

Reliable After-sales Support
Professional team providing timely technical service

FAQ

Q: What is a liquid-sealed water meter?

A: It is a water meter with a register sealed in special liquid, ensuring clear readings and protection from contamination.

Q: What type of water is it suitable for?

A: It is suitable for clean water and also performs well in water with impurities or poor quality.

Q: What are the available sizes?

A: Typically available from DN15 to DN50 for small and medium pipelines.

Q: Does it require electricity?

A: No, it operates using a fully mechanical transmission system.

Q: Can it support remote reading?

A: Yes, optional pulse or remote modules can be integrated.

Q: What is the service life?

A: With proper use and maintenance, it offers long-term stable performance and durability.

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Rotor Vane Liquid-sealed Water Meter