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2016年6月29日星期三
The external gear pumping principle
The external gear pumping principle uses two rotating gears which unmesh at the suction side of the gas station pump to create a vacuum which pulls fluid into the pump. The spaces between the gear teeth transport the fluid along the outer perimeter of the housing to the discharge side, and then the gears re-mesh at the center to discharge the fluid. The gears are supported by bearings on both sides, which allows high discharge pressure capabilities.
2016年6月25日星期六
external gear pump performs well
A composite external gear pump performs well in corrosive liquid applications.
rotary pumps can be constructed in a wide variety of materials. By precisely matching the materials of construction with the liquid, superior life cycle performance will result.
The fuel dispenser pump in particular can be engineered to handle even the most aggressive corrosive liquids. While external gear pumps are commonly found in cast iron, newer materials are allowing these pumps to handle liquids such as sulfuric acid, sodium hypochlorite, ferric chloride, sodium hydroxide, and hundreds of other corrosive liquids.
rotary pumps can be constructed in a wide variety of materials. By precisely matching the materials of construction with the liquid, superior life cycle performance will result.
The fuel dispenser pump in particular can be engineered to handle even the most aggressive corrosive liquids. While external gear pumps are commonly found in cast iron, newer materials are allowing these pumps to handle liquids such as sulfuric acid, sodium hypochlorite, ferric chloride, sodium hydroxide, and hundreds of other corrosive liquids.
2016年6月20日星期一
How external gear pump Work
How external gear pump Work
Fluid traveling through filling station pump. External gear pumps are similar in pumping action to internal gear pumps in that two gears come into and out of mesh to produce flow. However, the external gear pump uses two identical gears rotating against each other -- one gear is driven by a motor and it in turn drives the other gear. Each gear is supported by a shaft with bearings on both sides of the gear.
Fluid traveling through filling station pump. External gear pumps are similar in pumping action to internal gear pumps in that two gears come into and out of mesh to produce flow. However, the external gear pump uses two identical gears rotating against each other -- one gear is driven by a motor and it in turn drives the other gear. Each gear is supported by a shaft with bearings on both sides of the gear.
2016年6月15日星期三
relatively smooth of the hydraulic piston pump
This hydraulic piston pump to run to pressures beyond 3,000 PSI / 200 BAR, making them well suited for use in hydraulics. With four bearings in the liquid and tight tolerances, they are not well suited to handling abrasive or extreme high temperature applications.
The gear type pump Tighter internal clearances provide for a more reliable measure of liquid passing through a pump and for greater flow control. Because of this, external gear pumps are popular for precise transfer and metering applications involving polymers, fuels, and chemical additives.
The gear type pump Tighter internal clearances provide for a more reliable measure of liquid passing through a pump and for greater flow control. Because of this, external gear pumps are popular for precise transfer and metering applications involving polymers, fuels, and chemical additives.
2016年6月10日星期五
a popular pumping principle
external gear pump are a popular pumping principle and are often used as lubrication pumps in machine tools, in fluid power transfer units, and as oil pumps in engines.
The filling station pump can come in single or double (two sets of gears) pump configurations with spur (shown), helical, and herringbone gears. Helical and herringbone gears typically offer a smoother flow than spur gears, although all gear types are relatively smooth. Large-capacity external gear pumps typically use helical or herringbone gears. Small external gear pumps usually operate at 1750 or 3450 rpm and larger models operate at speeds up to 640 rpm. External gear pumps have close tolerances and shaft support on both sides of the gears.
The filling station pump can come in single or double (two sets of gears) pump configurations with spur (shown), helical, and herringbone gears. Helical and herringbone gears typically offer a smoother flow than spur gears, although all gear types are relatively smooth. Large-capacity external gear pumps typically use helical or herringbone gears. Small external gear pumps usually operate at 1750 or 3450 rpm and larger models operate at speeds up to 640 rpm. External gear pumps have close tolerances and shaft support on both sides of the gears.
2016年6月5日星期日
a great pump of Censtar gas transfer pump
Censtar gas transfer pump is a convenient case mounted fuel transfer pump with all the required lines & fittings to move gas from one gas tank/container to another. Has the added ability to transfer fuel out of many cars allowing you access to your own fresh fuel as needed around the home, while camping, filling RV's, small engines & emergencies. Censtar gas fuel pump, It's a great pump that can dry siphon and; lift fuel 72" on the suction side and push another 72" on output side. Pumps are compatible w/ gasoline, diesel, biodiesel, blended alcohol fuels & fuel additives.
2016年6月1日星期三
Censtar gas transfer pump
Censtar gas transfer pump is a world-class fuel dispenser engineered to provide years of trouble free service through simplicity and robust design. Censtar uses innovative technology to provide lower cost of ownership and a higher return on investment for the modern fuel marketer. The mechanical pump offers an economical multi-product dispenser for those marketers that require multiple dedicated hoses for blender and non-blender applications. Suction pump versions are available for up to four products (eight hoses).
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