Term
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Definition
Moves fluid from one place to another
External power to apply force |
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Term
| Positive Displacement pump |
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Definition
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Definition
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Definition
| Prop in casing moves fluid |
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Definition
| pressure required at pump head to prevent cavitation |
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Term
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Definition
| control the amount and diection of fluid flow |
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Term
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Definition
| shut off fully/partially fluid flow |
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Definition
| permit flow in only one direction |
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Term
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Definition
Type: Stop
Use: steam, air, water, oil
Adv: throttling
Dis: flow resistance
Disc on valve stem rests against seat to shut off fluid |
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Term
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Definition
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Term
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Definition
Type: Stop
Use: straight line flow
Adv: no flow resistance
Dis: poor throttling
gate is wedge/vertical disk |
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Term
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Definition
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Term
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Definition
Type: Stop
Adv: small, quick, light
Dis: leaks, low-flow throttling
Used: water, fuel, ventilation
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Term
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Definition
Type: Stop
Used: seawater, sanitary, trim, drain, hydaulics |
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Definition
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Term
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Definition
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Term
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Definition
Use: Protect piping from excess pressue
Mechanism: opens when pressure exceeds point (spring adjusted using screw) |
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