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Our Products
Our products are all strictly controlled at every step during designing, producing, packing and quality controlling process. We will keep optimizing our products and expanding the scope of product category.
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We cooperate with professional sea shipping, air and logistics companies to provide you with the best transportation solution.
Cheap Price
We have a professional purchasing team and costing team, trying to reduce costs and profits, and provide you with a good price.
One-stop Solution
With rich experience and one-to-one service, we can help you choose products and answer technical questions.
Professional water pressure gauge
The professional water pressure gauge is suitable for measuring the pressure of liquid, gas and steam which have no explosion risk, no crystallization, no solidification and no corrosive effect on copper and its alloy.
Pressure tank
A domestic water pressure tank is an essential component of a home's water supply system. It helps maintain consistent water pressure by using compressed air to cushion the water system. This allows for improved water flow and less frequent pump cycling. The tank ensures reliable water pressure for various household activities.
Pressure switch
Automatic water pump pressure controller with pressure gauge. The household automatic water booster completely replaces the traditional water pump control system consisting of pressure switch, pressure tank, check valve, etc.
What is Professional Water Pressure Gauge?
A water pressure gauge is a measurement instrument that indicates the water pressure in a system. It is a calibrated pressure indicator that is connected to a water pipe or tank, and converts the force exerted on it into units such as Pascal, BAR, PSI, and Torr.
A system's water pressure can be static or dynamic. Static pressure is the pressure of water when it is not moving. Conversely, dynamic pressure is the pressure of flowing water.
Static pressure
● Design: Knowing the static water pressure can help ensure that the plumbing system's design can handle the pressure of supply water. If the pressure is too high, it can cause damage to fixtures and pipes. At the same time, if the pressure is too low, getting enough water flow to certain areas of the system can be challenging.
● Diagnostics: If experiencing low water pressure, knowing the static pressure can help determine whether the problem is with the main water supply or somewhere in the plumbing system.
● Safety: High static water pressure can cause pipe bursts or leaks, leading to flooding and water damage. If the pressure is too high, a possible solution is to install a pressure-reducing valve.
● Efficiency: Low static pressure means low flow, which means less efficient use of appliances that use water, like washing machines and dishwashers.
● Comfort: High static pressure can make showerheads, faucets, and other fixtures feel too powerful, uncomfortable, and hard to control.
Dynamic pressure
● Flow: Dynamic water pressure determines the flow rate through the system. Knowing dynamic water pressure can ensure that the plumbing system can handle the anticipated demand for water in the home or building.
● Pressure loss: Knowing dynamic water pressure helps calculate the system's pressure loss due to friction, valves, and other fittings. This helps to understand the system's performance and identify areas needing improvement.
● Efficiency: The dynamic pressure can be used to ensure the appliances and fixtures in the system are working efficiently, as they need a certain pressure to operate properly.
● Safety: High dynamic pressure can cause pipe bursts or leaks, and low pressure can cause appliances not to work properly or less efficiently. Pressure-boosting pumps could be installed if the pressure is too low.
● Pool filter pressure gauge: A pool filter pressure gauge helps keep track of the pressure variations within a pool system. After a baseline pressure reading, high pressure typically indicates the filter needs cleaning, and low pressure indicates a flow issue. Learn more about pool filter pressure gauges.
● Irrigation and sprinkler system: Water pressure gauges are used to indicate the pressure in an irrigation network for a farm or a sprinkler system in a garden.
● Leak detection: Water pressure gauges are installed in closed water loops, such as a heating circuit or a process line, to indicate a leak in the circuit.
● Measuring tank volume with pressure: A pressure gauge can help track the water volume in an open vertical tank or column of water. Changes in the pressure will indicate discharge or refill of water from or to the tank.
● Well pressure: Buildings with well water use well water pressure gauges to know when there is low well pressure. For example, a pressure gauge on well pump monitors the water pressure at the pump's discharge. This helps planning for maintenance, using other sources of water, or drilling another well.
What is Small Pressure Tank for Water Pump?
A small pressure tank for a water pump is a container that holds a small volume of water and air to help regulate the pressure and flow of water delivered by a pump. It is commonly used in residential and commercial applications where water demand varies throughout the day. The tank helps to reduce the cycling of the pump and prolong its lifespan while maintaining consistent water pressure. The tank typically has a bladder or diaphragm that separates the water and air, and a pressure switch that senses the water pressure and activates the pump when needed.
Smooth water delivery: Pressure tanks eliminate the need for the pump to run every time you turn on a faucet. This results in a steady and consistent water flow, reducing water pressure fluctuations, which can be annoying and potentially damaging to your plumbing system.
Reduced pump wear and tear: Pressure tanks help protect your water pump from excessive cycling. Frequent starts and stops can put a strain on the pump motor and reduce its lifespan. With a pressure tank, the pump operates less often, leading to fewer breakdowns and lower maintenance costs.
Energy efficiency: By reducing the number of times the pump starts, pressure tanks save energy. The pump's highest energy consumption occurs during startup, making a pressure tank an eco-friendly addition to your water system.
Extended pump life: Pressure tanks are like bodyguards for your water pump. By reducing the strain on the pump and providing a consistent supply of water, they can extend the pump's lifespan, potentially saving you the cost of premature replacements.
Emergency water supply: Pressure tanks can also be a lifesaver during power outages. When the power is down, your water pump won't work, but the pressure tank ensures that you still have access to stored water for essential needs.
Water cannot be compressed into a smaller area, while air can. When water is pumped into a tank containing air, the air is compressed, putting the water under pressure. The more the air is compressed, the greater the water pressure. When the water reaches a preset pressure, typically 40 to 60 pounds per square inch (PSI), the pump automatically shuts off. As water is used, the pressure in the tank is lowered. When the water reaches a preset pressure, typically 20 to 40 PSI, the pump starts again. The minimum tank pressure must be at least as high as the pressure needed by any water-using fixture or appliance. Many require at least 10 PSI to operate properly. Water treatment units, water softeners, clothes washers, and dishwashers may require higher water pressure to operate properly, possibly as high as 30 PSI or more.
Types of Pressure Tanks
There are several types of pressure tanks, but they all rely on compressed air to provide pressure between pump cycles. The common types include:
Air-over-water tanks
These tanks feature a single chamber, with the lighter air naturally rising to the top and compressing into a smaller volume as water fills the tank. With no separation between the water and air, air can dissolve into the water, requiring the air to be checked and refilled frequently. Some models feature a wafer or float between the water and air to minimize this problem.
Biaphragm tanks
Diaphragm tanks feature a rubber or vinyl disc-shaped diaphragm that separates the air and water into individual compartments. As water is pumped into the tank, it stretches the diaphragm upward toward the top of the tank, compressing the air.
Bladder tanks
In bladder tanks, the water enters a balloon-like bladder, which is surrounded by air that occupies the remaining volume of the tank. As the bladder expands with water, the air is compressed. When water leaves the tank, the air compresses the bladder back to its original size.
How Does a Small Pressure Tank for Water Pump Work?
Water cannot be compressed into a smaller area, while air can. When water is pumped into a tank containing air, the air is compressed, putting the water under pressure. The more the air is compressed, the greater the water pressure. When the water reaches a pre-set pressure, the pump automatically shuts off. As water is used, the pressure in the tank is lowered. When the water reaches a pre-set pressure, the pump starts again. The minimum tank pressure must be at least as high as the pressure needed by any water-using fixture or appliance.
Traditionally a pressure tank would sit on top of a pump, but this causes unnecessary weight on the pump so is no longer best practice. We install the pressure tank 1m from the pump to ensure electronic controllers of the pump are not interfered with.
Selecting the correct size for a pressure tank is usually determined by the type of pump you have and the pump's flow rate along with your water source. Our team can help you determine the best pressure tank for your home pressure system.
What is Pressure Switch?
Pressure switch is a device that is used to monitor and control the pressure of a fluid, typically air or water, in pipelines, tanks, and other industrial applications. It consists of a spring-loaded diaphragm or piston that reacts to changes in pressure, triggering an electrical switch to turn on or off when a certain pressure threshold is reached. Pressure switches are commonly used in pumps, compressors, boilers, and other equipment to ensure safe and efficient operation, and they can be configured to detect overpressure, underpressure, or both. They are available in a variety of designs and pressure ranges, and can be adjusted to suit specific application requirements.
Benefits of a Pressure Switch
Prolonged battery life: Some high-pressure, high-power pump applications require extended times of inactivity or transition periods between spray times. Rather than continuing to run the motor when not in use and draining the battery, a pressure switch will cut power to the motor.
Low consumption: This is especially beneficial for pumps that draw more amps because the bigger the motor, the quicker it will drain a battery when left running. By contrast, a low amperage pump motor doesn't need to draw much power from a battery to operate. While it may have a longer battery life, you give up significant power in exchange.
Convenience: Without a pressure switch, an operator needs to manually turn a pump on and off when not spraying or risk running out of battery power. If they choose not to turn the pump off when not in use, they'll likely need to spend time recharging the unit. Either scenario is a hassle and adds unnecessary labor costs to a job.
Reduced pump wear and tear: The fewer operating hours, the less wear and tear that is placed on a pump system. While most pump systems have a regulator that goes into bypass mode, the addition of a pressure switch further extends the life of a pump motor.
Time savings: If they choose not to turn the pump off when not in use, they'll likely need to spend time recharging the unit. Either scenario is a hassle and adds unnecessary labor costs to a job.
How Does a Pressure Switch Work?
A pressure switch is a passive device since the presence or absence of pressure is all that is necessary for it to function. The pressure on the diaphragm compresses a calibrated spring. When the spring tension reaches or exceeds the set point, it will move the contacts from open to closed in a NO switch or closed to open in an NC switch. For ease of configuration across different applications, it is common for pressure switches to contain at least one pair of NO and one pair of NC contacts.
Types of Pressure Switches
Pressure switches
As compared to electronic pressure switches, these switches are most widely used because of their lower cost & simplicity. These switches are available with a mechanical pressure detecting element that deforms based on the pressure of the fluid. These switches are classified based on the different methods used for detecting pressure as either electronic or electromechanical. The different types of mechanical pressure switches are discussed below.
Piston pressure switch
This switch is most popular and also widely used in different applications. Once the pressure of liquid varies, then it moves the piston axially so that it triggers the switch. This switch can detect the pressure of liquid directly or indirectly. So directly detecting mainly involves seals like o-rings to avoid the liquid from getting into the components whereas indirect detecting mainly involves a flexible diaphragm that divides the piston from the liquid.
Diaphragm pressure switch
These are high-quality switches, mainly developed for safety-critical applications. The main benefit of these switches is that no voltage supply is necessary for the process of switching. This switch includes a metal membrane that is connected directly to the soaked part of the switch and the diaphragm that activates the switch. This switch is used for monitoring pressure & control of processes in different industries like chemical, petrochemical industries, gas, oil, etc.
Bourdon tube pressure switch
This is an elastomeric or flexible metallic tube that is connected to one end of the switch whereas another end is free to move. Once liquid pressure is enhanced within the tube, then it tends to make a level, then this movement is mainly used to activate the switch. These switches are suitable for different applications like chemical, conventional power stations, and petrochemical wherever the operating force is middle-high.
Differential pressure switch
This switch is very useful in evaluating the forces between two points within a system. The two points within the system are simply connected to two process ports which are the upside or downside of the equipment. If the difference in pressures between the two sides increases a certain threshold, then a switch can be triggered. These switches are applicable in monitoring pressure fall across screens, filters & tank levels.
Electronic pressure switch
Electronic pressure switches are available with a pressure transducer like a strain gauge. These types of switches have analog capabilities, so they are not restricted to an open or closed position but also transmit a continuous and variable signal for monitoring more precisely. Therefore, these are not only switches but also measuring instruments or transmitters. Some additional features of these electronic switches are switching function, on-site programmability of time delay, hysteresis, setpoint, etc.
Pressure Switch Selection Criteria
Process fluid
The chemical properties of the process fluid determine the type of material required for the wetted parts. The wetted parts are the ports, seals, and the pressurized side of the pressure sensing component. These parts must be capable of withstanding any chemical or physical attack from the process fluid. Mechanisms of part degradation can be through corrosion, oxidation, or erosion.
Operating temperature
The operating temperature influences the material used. Certain materials degrade at high temperatures.The effect of temperature on accuracy must also be considered. When a pressure switch is configured at room temperature, the setpoint may need to be readjusted if the process is at a higher temperature.
Pressure range
The pressure range defines the limits for adjusting the cut-in and cut-out pressures. This is often termed the working range of the pressure switch. It is recommended to have the setpoint at 40 to 60% of the pressure range to anticipate of any adjustment or field changes.
Type of pressure
Pressure switches are often used in positive pressure systems. But there are also cases where they are used in vacuum applications. For negative pressure systems, pressure switches specified for vacuum and compound pressure must be used.
Switching function
Switches can be characterized according to the number of poles and throws. The pole refers to the number of circuits a switch can control, while the throw is the number of connections the switch can make. Both pole and throw can be single or double.
Differential, deadband, or hysteresis
This is the difference between the cut-in and cut-out pressures. Pressure switches can have either adjustable or fixed deadbands. Adjustable deadbands are widely used for water pumping services. Fixed deadbands, on the other hand, are seen in packaged equipment and alarm systems where modifications are not necessary or avoided to prevent any inadvertent modifications of the system.
Proof pressure
Proof pressure is the maximum pressure the switch can withstand without causing any change to its properties or performance. This is also known as the over-range capacity or maximum system pressure. Identifying the proof pressure considers any pressure spikes or surges occurring in the system.
Accuracy
This is the maximum positive or negative deviation from the setpoint or specified characteristic curve under specific conditions and operations. Accuracy is a more important factor in selecting analog pressure sensors and electronic pressure switches. For these devices, having a higher accuracy significantly increases the cost of the pressure switch. Accuracy is specified in terms of a percentage of the full scale (FS) value.
Our Factory
Taizhou Hanner Machinery Co., Ltd is a group company with three factories and one trade company, professional in all kinds of water pump, motor, pump accessories, etc. HANNER becomes stronger year by year fully relying on competitive prices, excellent product quality and professional service.
FAQ
Q: What is a water pressure gauge?
Q: How is a water pressure gauge installed?
Q: Can a water pressure gauge be adjusted?
Q: How often should a water pressure gauge be replaced?
Q: What are some common issues with water pressure gauges?
Q: How can I maintain my water pressure gauge?
Q: What is a pressure tank for water pump?
Q: How does a pressure tank work?
Q: How does a pressure tank work?
Q: What happens when a pressure switch goes bad?
Q: What is a pressure switch?
Q: How does a pressure switch work?
Q: What are the different types of pressure switches?
Q: How do I choose a pressure switch for my application?
Q: How often should pressure switches be replaced?
Q: What are common problems with pressure switches?
Q: How can I test a pressure switch?
Q: What is an example of a pressure switch?
Q: How can I tell if my pressure switch is bad?
Q: How do you diagnose a bad pressure switch?
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