We use several different pressure switches on our models.
All of the pressure switches used on our air compressors include a pressure switch relief valve which relieves head and line pressure, allowing for easier starts. This simple mechanism completes the circuit and allows power to the motor as long as system pressure is below a specified setting. What it isĪ pressure switch is a mechanical device that relies on air pressure to control the operation of an electric air compressor. Some pressure switches have a secondary spring (usually smaller than the primary spring) that will adjust the cut-out pressure without affecting the cut-in setting. The adjustment spring is used to increase and decrease the cut-in and cut-out pressure settings. When the pressure switch contacts separate, a lever actuates this valve to relieve pressure that was trapped between the pump and check valve. The pressure switch relief valve, which is located on the base of the pressure switch, is plumbed into the top of the check valve with a copper or nylon tube. The diaphragm is made of a flexible material that pushes against the block as air pressure increases. When the specified ‘cut-out’ pressure is reached, it forces the contacts apart and shuts down the motor. When separated, the circuit is broken and the motor will shut off. The contacts, which are made from a conductive material (90% silver, 10% nickel), are used to complete the electrical circuit and allow power to the motor. The terminals are the points where the incoming and outgoing power leads are connected to the pressure switch. It should always be turned to the ‘off’ position before plugging in or unplugging the air compressor. The lever (or knob, in a few cases) is used to manually separate the contacts. While pressure switches are used in a number of applications, the following post will focus specifically on how they are used in the assembly and operation of an electric air compressor.
AIR COMPRESSOR PRESSURE SWITCH HOW TO
The following post will cover the primary components of a pressure switch, what it is, how it works and how to adjust one. It’s the electric counterpart to the piloted unloader valve which we discussed in a previous blog post.
AIR COMPRESSOR PRESSURE SWITCH FULL
Check out the full range of products on eBay today and contact the seller if you have any questions.The pressure switch is an important component on many of our electric models. One motor can make everything work harder to cover your entire DIY list. Once you have had your fill of pressure switch air compressors, be sure to check out home air cutting tools and other home air tools. If you want solutions that make life easier, there is always more to shop on eBay. Shop pressure switch air compressors online The compressor stops when the electrical contacts open (blue circle). The pressure is now strong enough for the membrane to rise. High air pressure switch: At high pressure, the vast spring is forcing the membrane (green circle) downwards (red arrow), while the air pressure is attempting to push it higher (yellow arrows).Electrical contacts have been closed (blue circle). The spring is victorious, and the membrane remains in place. Low air pressure switch: At low pressure, the vast spring is forcing the membrane (green circle) downwards (red arrow), while the air pressure is attempting to push it upwards (yellow arrows).Of course, air tools are incredibly durable so the investment you make is future-proof.
It's cost-effective because it's versatile. It's just a great tool for any handy person to keep around the house because it can do so much. Likewise, if you have spray-painting projects, then a spray gun running via an air compressor can make every job a cinch.Īn air compressor makes DIY car repairs much simpler, whether it's air tools to easily remove stubborn bolts or, to top up your tyres. For example, a nail gun requires an air compressor to operate, and a nail gun makes building, crafting, and carpentry much easier, while automotive air compressors can pump air in your tyres. If you're thinking about investing, just think about the many uses of an air compressor. Make Life Easier – Use eBay To Shop For Pressure CompressorsĪre you looking for a new pressure switch air compressor or, do you need spare parts to repair an existing one? Either way, eBay has it all.
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