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24 Cards in this Set
- Front
- Back
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Most common compressor? |
Reciprocating |
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Most compressors are? |
Belt driven |
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What component of pneumatic system stores the air? |
Receiving tank |
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Pneumatic system must be free of what impurities? |
Oil, water, dirt |
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What cools the air between a 2 stage compressor? |
Intercooler |
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Why must a compressor be located in coolest location possible? |
Cool air is denser. Making compressor more efficient |
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Delta P for compressor? |
15psi |
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Pressure relief valve set at? |
10psi over cut out |
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Pressure drop should not exceed? |
5psi |
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When air reaches 100 percent humidity, it's known as? |
Dew point |
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How does air dryer remove moisture from air? |
Silica gel, activated alumina |
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Where is air dryer installed? |
Downstream of receiver tank |
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Moisture trap locations? |
Bottom of receiver tank, bottom of drip legs, low points |
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Piping used for pneumatic systems? |
Black iron, type K and L copper |
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What do unloaders do? |
Decrease pressure in cylinders |
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Where are pre filters installed? |
Suction inlet |
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Aftercoolers have 2 styles? |
Water cooled and air cooled |
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Aftercoolers installed where? |
Between compressor and receiving tank, graded towards tank |
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If aftercoolers exceeds 3m in length, what happens to suction piping? |
Increase one size |
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Diaphragm compressor would be installed where? |
Hospitals, food processing plants, medical |
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What's the purpose of oil lubricantors on pneumatic system? |
Lubes tools |
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Where is aftercooler located? |
As close as possible to receiver tank. Upstream |
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Condensate drain on compressor does what? |
Expels moisture |
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Horizontal pipe need to installed how? |
Sloped toward end drains |
