50Hz Centrifugal Fire Pump Set , Electric Jockey Pump With Control Panel
50Hz Multi Stage Centrifugal Fire Pump Set , Electric Jockey Pump With Control Panel
A jockey pump is a pump connected to a fire sprinkler system and is intended to maintain pressure in a fire protection piping system to an artificially high level so that the operation of a single fire sprinkler will cause a pressure drop which will be sensed by the fire pump automatic controller, causing the fire pump to start. The jockey pump is essentially a portion of the fire pump's control system.
How to choose
It should be chosen so as to get into operation in a period as much as 10 minutes and bring the pressure to the desired level upon detecting a leakage that may be evident in the fire-extinguishing system.
It is selected at 1% of the nominal flow of the flow (min. 1 GPM), and at a pressure of more than 10% of the nominal pressure.
Motor
Full-enclosed aire-blast two-pole standard motor
Protection call:IP55
Insulation call:F
Standard voltage:50Hz:
- 1×220-230/240v
- 3×200-220/346-380v
- 3×220-240/380-415v
- 3×380-415v
| Before quotation,we need some basic information for selection & supply Scope : |
| 1:Parameters including head ,flow, altitude, temperature, voltage, frequency (A deduction of 3 % from engine horsepower rating at standard SAE conditions shall be made for diesel engines for each 1000ft(305m) altitude above ft.(91.4m) engine horsepower rating as corrected to standard SAE conditions shall be made for diesel engines for every 10°F(5.6℃)above 77°F(25 ℃)ambient temperature.) |
| 2. Scope of supply |
| 3. Special requirements (Brand requirement/ technical requirements on product function…) |
| 4.Listed or Non-listed products ? |
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