Term
| What can the siphon ejector be used for? |
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Definition
| firefighting operations or dewatering operations |
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Term
| What are three sizes of siphon ejectors used by the LAFD? |
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Definition
2 1/2" Greenberg
1 1/2" Penberthy 67-A
1" Penberthey 65-A |
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Term
| How do you know what size the ejector is? |
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Definition
| Identified by the female inlet on the supply side of the ejector |
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Term
| What four components make up the siphon ejector? |
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Definition
Inlet- high velocity jet
Suction
Discharge
Foot valve |
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Term
| What is the procedure for placing the ejector into operation? |
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Definition
Place apparatus close to water source.
Connect 1 1/2" line from engine discharge.
Connect 2 1/2" line to engine suction
Place ejector in water below surface
Open dump valve to fill siphon discharge line(2 1/2") |
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Term
| How do you keep the pump from running away with water? |
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Definition
| Watch compound gauge, do not let the gauge drop below zero or the ejector will cease to operate |
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Term
| Why do the hose lines run parellel to and from the ejector? |
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Definition
| to prevent kinks or bends |
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Term
| What happens in the ejectors diffuser? |
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Definition
| velocity of water is converted to pressure greater than the suction pressure but lower than the motivating pressure. Confuser! |
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Term
| How many lines can the penberthy 65A supply? |
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Definition
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Term
| How many lines can the penberthy 67A supply? |
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Definition
| Three 1" spray tips at 75 psi nozzle pressure |
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