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  • What is Diaphragm Pump
    What is Diaphragm Pump

    2017-03-14 09:45:46

    A diaphragm pump (also known as a Membrane pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or teflon diaphragm and suitable valves on either side of the diaphragm (check valve, butterfly valves, flap valves, or any other form of shut-off valves) to pump a fluid. There are three main types of diaphragm pumps: Those in which the diaphragm is sealed with one side in the fluid to be pumped, and the other in air or hydraulic fluid. The diaphragm is flexed, causing the volume of the pump chamber to increase and decrease. A pair of non-return check valves prevent reverse flow of the fluid. Those employing volumetric positive displacement where the prime mover of the diaphragm is electro-mechanical, working through a crank or geared motor drive, or purely mechanical, such as with a lever or handle. This method flexes the diaphragm through simple mechanical action, and one side of the diaphragm is open to air. Those employing one or more unsealed diaphragms with the fluid to be pumped on both sides. The diaphragm(s) again are flexed, causing the volume to change. When the volume of a chamber of either type of pump is increased (the diaphragm moving up), the pressure decreases, and fluid is drawn into the chamber. When the chamber pressure later increases from decreased volume (the diaphragm moving down), the fluid previously drawn in is forced out. Finally, the diaphragm moving up once again draws fluid into the chamber, completing the cycle. This action is similar to that of the cylinder in an internal combustion engine. Diaphragm Pumps deliver a hermetic seal between the drive mechanism and the compression chamber, allowing the pump to transfer, compress, and evacuate the medium without a lubricant. An elastomeric diaphragm can be used as a versatile dynamic seal that removes many of the limitations found with other sealing methods. They do not leak, offer little friction, and can be constructed for low pressure sensitivity. With the right material consideration, diaphragms can seal over a wide range of pressures and temperatures without needing lubrication or maintenance.

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  • AdBlue Dispensing Equipment Features
    AdBlue Dispensing Equipment Features

    2017-03-14 09:46:07

    Similar to fuel transfer pumps there are many different types available to select from. Features can differ but depending on your requirements complete AdBlue dispensing equipment can be purchased as well as individual components. A complete kit would comprise of a pump, hose, nozzle and flow meter. Theses kits are available in either mains powered, battery or manual powered. Mains powered pumps would be selected where dispensing is done at a regular fixed point. Battery powered pumps would be used where mains power is not available. Subsequently a manual pump would be used in a temporary or mobile dispensing situation. Other factors would dictate which style of dispensing is selected, for instance, in small quantities where dispensing from barrels would take place.  Kits specifically designed for this purpose would come with drum connectors, suction pipes and a manual AdBlue rotary hand pump. Where medium usage of AdBlue is required the solution would more likely be stored in an IBC container. IBC AdBlue pump kits are available that come complete with a SEC fitting for IBC and are mounted on a hanging plate. With the continuing growth in the AdBlue market and as more vehicles require it, there is a shift to bulk storage of the solution. This not only has the cost benefit of buying in bulk but also a supply timing saving too. For larger AdBlue storage tanks, more sturdy pumping equipment can be used usually on a mounted pedestal or wall mounted box. Some tanks can be purchased with AdBlue pumps already fitted.

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  • How bottled water dispenser pump system work
    How bottled water dispenser pump system work

    2017-02-16 09:20:49

    The STARFLO Drinking water pump is a bottled water dispensing system which is designed to pump water from commercially available 3, 5, or 6 gallon water bottles. The system delivers the bottled water under pressure to your water ionizer, or to the water inlet of a refrigerator icemaker, other water tap or just about anything else you might need a fresh supply of water for. How System works: When the suction wand is inserted into the water bottle, it activates the float switch on the end of the wand and turns on the pump. This same float switch shuts off the system when the bottle is empty. The wand has a built in back-flow valve that prevents water in the system from flowing back into the bottle, or spilling while changing bottles.  The dispenser system's pump module automatically adjusts the flow and pressure to fill an icemaker or dispense chilled water from a refrigerator door tap, and stops when the icemaker is full or the water valve is closed. NOTE: The system is quiet but not silent. Just as you can hear your refrigerator, dishwasher, washing machine and dryer running , you will also hear the "humming sound" of the diaphragm pump when it is pumping.

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  • How to Install an RV Macerator Pump
    How to Install an RV Macerator Pump

    2017-02-15 13:49:11

    An RV macerator pump is a tool used in boats and RVs. It is designed to chop up the waste from a toilet so that it can be more easily emptied. Macerator pumps are usually supplied with the RV, but they can also be bought and installed by the owner. The pump can easily be fitted into place without help from a professional. Step 1 - Fit the Pump Together Turn off the power and water supply to your RV toilet. Fit the pieces of the RV macerator pump together, following the instructions that come with the device. As there are a number of different types of RV macerator pumps, you should only use the instructions which are provided with your pump. Step 2 - Install the Pump Place the RV macerator pump between the shut-off valve and the holding tank connection. Fit the tube to the side of the tank, making sure that it is clamped tightly. Push the screws into the flange, and then screw them into place. Use a seal around the edges of the plumbing and then tighten this seal using the wrench. You should then take the switch up to the side of the toilet, and screw this into place.

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