Different designs are available for Ningbo Qili water meter cast body. They are usually made of plastic, bronze, or brass and use a measuring element to determine the amount of water used.
The positive displacement (PD) type of meter is a typical type. In these types of meters, the moving measuring element is physically displaced by water in direct proportion to the amount of water flowing through the meter.
A cast body for a Ningbo Qili water meter is an engineered item available in brass or plastic. The highest levels of performance and durability are provided by both. The brass meter is made of EnviroBrass, while the plastic meter is made of modified acetal copolymer. Both come in sizes ranging from 11/2 inches to 12 inches and have comparable capabilities. They are suitable for applications that call for a direct reading of the amount of water that has flowed through the meter in U.S. gallons, cubic feet, or cubic meters. The brass meter's helix rotor is appropriately shaped to match the shape of the meter casing, and high-quality components are used throughout the mechanism to ensure stable operation over time. The brass meter is the most cost-effective option for people who want to reduce maintenance expenses.
Depending on the type of measurement needed and the specific application, Ningbo Qili water meters and water meter housing come in a range of sizes. Volumetric (positive displacement) and inferential, or turbine-style, metering are the two most typical types. In applications requiring low flow rates and little pressure loss, such as those found in homes and small businesses, positive displacement meters are most frequently used. They typically come in dimensions ranging from 5/8 inch to 2 inches. There are also various sizes of inferential or turbine-style metering available, ranging from 11/2 inches to 12 inches. These meters need a lot of room in the meter chamber to accommodate the helix rotor that drives the measuring element, but they are typically more accurate than volumetric meters. They can be produced from plastic, but they are typically made from bronze or cast iron with rounded, flat-faced flanged ends. These meters are typically offered with a one-year warranty against flaws in the materials and workmanship. During this time, any defective meters or components will be replaced at no cost to you. The meter can also be sent back for calibration as an alternative.
Water flow is measured using Ningbo Qili water meters. Depending on the end user, type of flow, and accuracy requirements, they are available in a variety of designs and have different properties.
The two methods of measuring flow are displacement and velocity. The most popular meters, oscillating piston and nutating disc meters, are among the displacement design options (or PD meters). Turbine meters, single-jet and multi-jet meters are available in terms of velocity design.
Oscillating Piston Meters: With this type of meter, the amount of water passing through it physically displaces a moving measuring element, which moves in direct proportion to the amount of water. A magnet that drives a register is moved by the measuring element.
Nutating Disk Meters - This meter also uses water to physically displace the measuring element in direct proportion to the volume of the fluid passing through the meter (as indicated by the water meter's body). A magnet that drives the register is moved by the moving measuring component (href="#water meter body").
These meters have a high degree of accuracy at lower flow rates but are unable to measure higher flows precisely. They are frequently employed in domestic and small commercial settings.
Gray cast iron or ductile iron is used to construct the meter body. These are more robust, less expensive, and rust- and corrosion-resistant.
Flange - For simpler retrofit installation, larger meters are available with either internal pipe thread or two bolt oval flanges. The two bolt oval flange is for simple retrofit installation, and the internal pipe thread is thought to be more stable on the pipe.
Water meters are made in the USA using AWWA threads, which are not tapered like NPT or NPST pipe threads. For a watertight seal, a coupling nut is placed over them and presses a meter gasket against the face of the meter spud.
Other meter types may not need a strainer because they are made to be installed vertically. These include multi-jet meters, turbine meters, and ultrasonic meters (transit time, dopler).
To show when the measuring chamber is moving, some of these meters have a leak detector on the sweep hand. To prevent unauthorized tampering, some are also sealed with a tamper seal.
A water meter is a tool used to calculate how much water has been used by a person or a business. They are frequently used in domestic, industrial, and commercial settings, as well as in specialized water meters that measure the flow of non-potable or recycled water.
Depending on the use for which it is intended, each type of water meter design has a distinct set of qualities. These include the measurement technique, the intended audience, the flow rates needed, and the accuracy needs. The American Water Works Association establishes the specifications for water meter manufacturing in North America.
The volumetric water meter with Ningbo Qili water meter case is the most popular type of meter, and it uses positive displacement technology to measure how much water is passing through it. The actual volume of water that has passed through the device is displayed by this type of meter using an oscillating piston or nutating disc that is driven by a magnet and transferred to a direct read register or pulser.
The turbine-style meter is another common meter style that works by passing water through it without changing the flow direction. When compared to displacement-type meters at lower flow rates, the helix-shaped rotor allows for higher flow rates and less pressure loss because it is driven directly in proportion to the amount of water passing through the meter.
When precise readings are crucial, turbine meters are used in larger commercial, fire protection, and master water meters. With internal turbine elements made of plastic or non-corrosive metal alloys, these meter bodies are typically made of bronze, cast iron, or ductile iron.
They come in sizes ranging from 1 1/2 to 12 inches. They can be used in applications requiring precise reads for US gallons, US cubic feet, and US cubic meters because they are made to withstand the harshest environments.
Additionally, there are non-mechanical designs like magnetic and ultrasonic flow meters. These use electromagnets and Faraday's law of induction to calculate the speed of the water flowing through the meter. Electronic devices are then used to measure and totalize the flow, creating a digital output that can be transmitted to other machinery or applied to data logging software.
Qili is a pioneer in the field of brass casting, forging, machining, and has been doing so for more than 30 years. With top-quality employees to assist our customers, their own tooling making, foundry workshop and a range of equipment that can suit different OEM needs, Qili can provide a variety of services. Different types of bronze, brass, lead-free and arsenic copper are available according to the standards of GB SAE, BS JIS, DIN, ISO.
Qili boasts optical spectrum analyzers and CMMs to ensure quality. We ensure that our customers get a top-quality piece of work starting from the raw material until the final pieces that are shipped out like the brass plug. Excellent after-sales and prompt response to our customers.
Qili holds the ISO9001 and ISO14001 certificates. IATF16949 is in process. Continuously striving to improve and serving our customers with higher quality brass coupling connector and more competitive prices.
Qili invests 1/3 of its profits in R&D to ensure that the status of brass/bronze in China is maintained. This lets Qili to ensure that its customers are happy with Qili's capabilities and capacity like for brass pipe connector.
Please leave a message, we will reach you soon!
EN 
ES
PT
AR
DE
TR
FR
