Product Details
Main features
●Dial fully or semi-liquid sealed optional.
●Size from Ø15 to 50 mm, (1/2 – 2”), for cold water (30°C), hot
water (90°C)
●Brass or iron body optional, ISO406 class B
●Universal use. Easy interchangeability and maintenance
Main technical data
Gauge size Dia DN (mm) | Type | Qs Overload flow | Qp Rated flow | Qt Transition flow | Qminimum flow | Minimum pulse quantity | Maximum pulse quantity |
| m3/h | 1/h | m3 |
| 15 | A | 3 | 1.5 | 150 | 60 | 0.0001 | 99999 |
| B | 120 | 30 |
| 20 | A | 5 | 2.5 | 250 | 100 | 0.0001 | 99999 |
| B | 200 | 50 |
| 25 | A | 7 | 3.5 | 350 | 140 | 0.0001 | 99999 |
| B | 280 | 70 |
| 32 | A | 12 | 6.0 | 600 | 240 | 0.0001 | 99999 |
| B | 480 | 120 |
| 40 | A | 20 | 10 | 1000 | 400 | 0.001 | 99999 |
| B | 800 | 200 |
| 50 | A | 30 | 15 | 4500 | 1200 | 0.001 | 99999 |
| B | 3000 | 450 |
indicating error
in the low zone, from the minimum flow rate (qmin) to the
transitional flow rate (qt) within ±5% exclusive boundary in the
high zone, from the transitional flow (qt) to the overloaded flow
(qs) transitional flow (qs) within ±2%
Working conditions
Water temperature: cold water meter ≤50°C
Water temperature: hot water meter ≤90°C
Working pressure:≤1.0Mpa
Produced by renowned manufacturers - sourced from reliable flow
meter manufacturers, with guaranteed quality.
Comprehensive warranty service - providing industry standard
warranty period and after-sales service.
Strong supply capability - stable production lines can ensure
timely delivery of large quantities of orders.
Professional selection guidance - providing customers with
technical support for caliber selection and installation.
Global export experience - products meet multiple national
standards and sell well in overseas markets.
Competitive delivery time - efficient supply chain management
ensures fast delivery.
Comprehensive documentation support - providing detailed product
manuals, certification certificates, and installation guides.
Company Profile
Zhuhai Huiyue Technology Co., Ltd. was established in 2019,which
focuses on the smart water meters and smart energy meters
specialize in the research, development, production,and service of
smart water and energy metering products and solutions. The company
has a professional technical research and development team
dedicated to technological innovation and product upgrades of
intelligent metering devices such as remote water meters and
electric meters.
Leveraging years of accumulated expertise in the instrumentation
industry and incorporating advanced international technologies and
processes, Huiyue instruments are renowned for their precision,
stability, and reliability, positioning us at the forefront of the
national market. We remain committed to developing even more
advanced, high-end products. Huiyue Instrument has always pursued
excellence and innovation, constantly improving the quality of its
products. Good industry reputation and excellent product quality
are the solid foundation and strong guarantee for the development
of Dalian Longfeng. Strict management is the fundamental basis for
the continuous development and growth of a company, and for
products to win the trust of users. Precision, reliability, and
professionalism are our production spirit and service beliefs.
On the basis of absorbing advanced technologies and processes at
home and abroad, Zhuhai Huiyue Technology Co., Ltd. has accumulated
years of wisdom and experience in the instrument industry. The
accuracy, stability, and reliability of its products are leading in
the country, and it is still developing more high-end products.
With advanced technology, excellent quality, and comprehensive
services, our products are distributed throughout the country. We
advocate with dedication: market-oriented, research led, innovation
driven, and dedicated to exploring domestic and international
markets. Zhuhai Huiyue Technology Co., Ltd. has won the trust and
praise of domestic and foreign customers with its comprehensive and
professional pre-sales, in sales, and after-sales services. The
company adheres to technological innovation, pays close attention
to quality management, continuously improves service levels, and
achieves the healthy development of its business.