jockey pump discharge pressure

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  • Jockey Pump Requirements & Sizing - NFPA 20 - Fire ...

    2018-10-13 · Pressure of jockey pump shall be greater than the pressure of main fire pump by minimum of 10 psi to avoid false starting of main fire pump. For more information about setting of …

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  • The Facts About Jockey Pumps | 2002-03-28 | PM

    2018-1-6 · We have witnessed the Pump tests. During the jockey pump test, its maximum pressure at 0 flow came out to be 172%. We have objected about this increase from limiting 140% to 172%. But the Fire Protection System designer says that he will install a pressure relief valve at the discharge of jockey pump and hence limit the 172% to 140%.

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  • Jockey Pump Pressure - NFPA (fire) Code Issues - Eng

    1) The jockey pump stop point should equal the pump churn pressure plus the minimum static supply pressure. 2) The jockey pump start point should be at least 10 psi (0.68 bar) less than the jockey pump stop point. 3) The fire pump start point should be 5 psi (0.34 bar) less than the jockey pump start point.

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  • Jockey Pumps - Water Pump Supply

    2017-10-14 · pressure on the fire protection system. A jockey pump should be sized to make-up the allowable leakage rate within 10 minutes or 3.8.L/min (Minimum of 1gpm whichever is larger.) Section A-5.24.5 (1) states that a jockey pump is usually required with automatically controlled pumps. These two sections give you the information to make the right choice.

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  • Pressure Maintenance (Jockey) Pumps | Fire Protection ...

    2019-7-26 · mk3223 (Mechanical) 27 Jul 19 03:08 IMO, the PSV is needed if the maximum operating pressure is possibly exceed the system design pressure, i.e. 175 psig as mentioned. If the discharge pressure of the jacket pump is not to over it, the PSV may not be needed. And, you may confirm it with the Local AHJ for the final decision.

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  • The Jockey Pump, an Important Part of a Fire Pump System.

    IntroductionA jockey pump is a small pump which is connected to a fire sprinkler system so that a certain pressure in the sprinkler system, and sized to ensure that if a fire-sprinkler is activated, there will be a system pressure drop. A jockey pump is a small pump connected to a …

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  • Pressure relief on Jockey pump - NFPA (fire) Code

    2021-1-27 · 200 psi (13.8 bar), or 50 psi (3.4 bar) above the maximum discharge pressure, whichever is greater, at the fire pump discharge flange. Verification that the proper pressure rating for pipe and fittings is used in the installation is important. This value is set to ensure

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  • Jockey Pump Pressure - NFPA (fire) Code Issues - Eng

    2018-1-6 · During the jockey pump test, its maximum pressure at 0 flow came out to be 172%. We have objected about this increase from limiting 140% to 172%. But the Fire Protection System designer says that he will install a pressure relief valve at the discharge of jockey pump and hence limit the 172% to 140%. He says NFPA allows it for pressure ...

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  • Pressure Maintenance (Jockey) Pumps | Fire Protection ...

    1) The jockey pump stop point should equal the pump churn pressure plus the minimum static supply pressure. 2) The jockey pump start point should be at least 10 psi (0.68 bar) less than the jockey pump stop point. 3) The fire pump start point should be 5 psi (0.34 bar) less than the jockey pump start point.

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  • Jockey Pumps - Water Pump Supply

    Fire Jockey Pumps are low flow, high pressure pumps that keep the fire system pressurized during non-fire conditions. They are usually sized at 1% the capacity of the main Fire Pump and must be able to deliver at least the same discharge pressure as the main pump. The large flow main fire pump is activated by a system pressure drop, so it is very important to maintain system pressure since ...

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  • What is a Jockey Pump? - ynspump.com

    Jockey pump is a kind of fire pump, with low capacity and high pressure, widely used to steady pressure for automatic sprinkler system and hydrant water supply system, to ensure the system water pressure is always in the state of pressure requirements, once sprinkler or hydrant water that can be discharged to meet the needs of flow and pressure ...

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  • Fire Pump Test at Discharge Header Versus Roof?

    2021-3-31 · The static pressure on the system should be higher than the flowing pressure of the system. You mentioned the jockey pump gauge is showing 100psi on the system, yet the pump is rated for 124psi. The jockey pump stop setting should be set to 124psi + the minimum suction pressure of city water supply (See NFPA 20, 2016 A14.2.6(4)(a)).

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  • Jockey pump lowara manual vertical turbine pump

    A jockey pump is sized for a flow less than the flow to one sprinkler in order to ensure a system pressure drop. Hence a jockey pump is an important part of the fire pumps control system. Jockey pumps are typically small multistage centrifugal pumps, and do not have to … Multi Stage Vertical Turbine Pump Manufacturer – India.

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  • Fairbanks Nijhuis Fire Pumps Brochure - Pentair

    2020-9-1 · Jockey Pump Controller: Starts the jockey pump across the line by sensing the system pressure via a sensing line from the system side of the check valve. This sensing line must be independent of the main fire pump controller sensing line. Controller is sized per the jockey pump motor horsepower and voltage. Jockey pump controllers are UL Listed ...

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  • Fire Pumps CHAPTER 4 - NFPA

    2021-1-27 · Pump accessories (diesel drive): Including automatic air release, pressure gauges (suc-tion and discharge), fuel tank with support legs, fuel system connections, hose header complete with hose valves for outdoor use or flow meter, main relief valve, and waste cone (open or closed) Pressure maintenance pump: Including casing relief valve

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  • Standard Fire Pump Systems Houston | UL Listed Fire

    For information on Flow-Tech and standard fire pump systems, call our main number at 713.690.7474. You can also contact a Flow-Tech sales representative via e-mail at [email protected] . Houston Corporate Headquarters 4601 South Pinemont, Suite 100 Houston , Texas 77041 Phone 713.690.7474 Fax: 713.690.7979 E-mail: [email protected]

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  • Fire pump - Wikipedia

    2021-5-10 · A fire pump is a part of a fire sprinkler system's water supply and powered by electric, diesel or steam. The pump intake is either connected to the public underground water supply piping, or a static water source (e.g., tank, reservoir, lake). The pump provides water flow at a higher pressure to the sprinkler system risers and hose standpipes. A fire pump is tested and listed for its use ...

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  • NPR280-Jockey Pump (Rev B) - National Foam

    2019-1-28 · The Foam Concentrate Jockey pump is used in In-Line Balanced Pressure (ILBP) Proportioning Systems to maintain pressure on the foam concentrate discharge line that supply remotely mounted ILBP modules. The pump is designed to maintain the foam concentrate pressure within preset limits and at the same time maintain foam concentrate volume in the ...

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  • Pressure relief on Jockey pump - NFPA (fire) Code

    2019-7-26 · RE: Pressure relief on Jockey pump. mk3223 (Mechanical) 27 Jul 19 03:08. IMO, the PSV is needed if the maximum operating pressure is possibly exceed the system design pressure, i.e. 175 psig as mentioned. If the discharge pressure of the jacket pump is not to over it, the PSV may not be needed. And, you may confirm it with the Local AHJ for the ...

    Get Price
  • In Line Balanced Pressure Systems - National Foam

    Jockey Pump The Foam Concentrate Jockey Pump is used in ILBP Proportioning Systems to maintain pressure on the foam concentrate discharge line that supplies the remotely installed ILBP module(s). The jockey pump provides compliance with NFPA to insure the integrity of the foam concentrate piping with regard to piping installed underground or ...

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  • AURORA COMPLETE PUMP SOLUTIONS - Pentair

    2019-5-30 · • Aurora Jockey Pump • UL Listed Jockey Pump Controller • Pressure Sensing Lines Complete per NfPA 20 • Listed OS & Y Gate & Butterfly Valves with Tamper Switches • Suction and Discharge Pressure Gauges • Automatic Casing Air release Valve Casing Pressure relief Valve (Electric Packages) Hose Header with Valves, Caps & Chains

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  • General Information Typical Pressure Sensing Line ...

    2014-5-8 · between the pump discharge flange and the discharge control valve, as appropriate. A.10.5.2.1 Installation of the pressure-sensing line between the discharge check valve and the control valve is necessary to facilitate isolation of the jockey pump controller (and sensing line) for maintenance without having to drain the entire system (See figure

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  • Jockey Pump Req'd for Wet Supply to Dry Valve?

    2020-4-9 · A jockey pump is a high pressure low capcity (flow) pump. The reason they're included is to make-up pressure that bleeds off of the private service main network without hammering the system with the full power of the fire pump in a no flow condition. Their necessity exists independently of the type of overhead system connected.

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  • User’s Manual - Pump Manufacturing

    2017-2-3 · Lag pump stops after the lag stop pressure is achieved and the flow rate is lower than the flow start setting for the off-delay time period. When all lag pumps are stopped, the jockey pump will restart and if the pressure is still being maintained, the pump will shut down after the off -time delay.

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  • Vertical Centrifugal Pumps

    2008-12-8 · 1- Plad VLS type pump 2- Multi-stage centrifugal jockey pump 3- Suction header with SDR-35 adapter 4- Butterfly valves 5- Silent check valves 6- Discharge header 7- Pressure relief valve 8- Air release valve 9- Strainer with automatic backwash 10- Control panel 11- Junction box 12- Dehumidifier 13- Heater 14- Sump pump 15- Lighting

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  • DIESEL FIRE PUMP INSPECTION CHECKLIST

    2018-4-11 · Promptly correct any deficiencies found. The jockey pump stop point should equal the pump churn pressure plus the minimum sta tic supply pressure. The jockey pump start point should be at l east 0.68-bar (10-psi) less than the jockey pump stop point. The fire pump start point should be 0.34-bar (5-psi) less than the jockey pump start point.

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  • Testing & Commissioning Of Fire Pumps – Method

    In case of any pressure drop in line due to hose reel, fire hose, sprinkler opening or any small leak in the lines, if the pressure reaches to the cut-in pressure point for the jockey pump it will start automatically and stop automatically at cut-off pressure. If the jockey pump couldn’t maintain the pressure in the system and pressure …

    Get Price
  • In Line Balanced Pressure Systems - National Foam

    Jockey Pump The Foam Concentrate Jockey Pump is used in ILBP Proportioning Systems to maintain pressure on the foam concentrate discharge line that supplies the remotely installed ILBP module(s). The jockey pump provides compliance with NFPA to insure the integrity of the foam concentrate piping with regard to piping installed underground or ...

    Get Price
  • NPR280-Jockey Pump (Rev B) - National Foam

    2019-1-28 · The Foam Concentrate Jockey pump is used in In-Line Balanced Pressure (ILBP) Proportioning Systems to maintain pressure on the foam concentrate discharge line that supply remotely mounted ILBP modules. The pump is designed to maintain the foam concentrate pressure within preset limits and at the same time maintain foam concentrate volume in the ...

    Get Price
  • Installation and Operation Instructions - Peerless Pump

    2020-9-29 · (a) For all pump installations, including jockey pumps, each controller shall have its own individual pressure sensing line. (b) The pressure sensing line connection for each pump, including jockey pumps, shall be made between that pump's discharge check valve and discharge …

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  • NPE Series Fire Pump Set | Fire pumps Dubai

    This package consists of 2 electric motor driven fire pumps, (one is duty and another one is standby), jockey pump, pressure vessel, suction and discharge manifold, discharge pressure gauge, pressure switches, common controller for manual or auto operation …

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  • User’s Manual - Pump Manufacturing

    2017-2-3 · Lag pump stops after the lag stop pressure is achieved and the flow rate is lower than the flow start setting for the off-delay time period. When all lag pumps are stopped, the jockey pump will restart and if the pressure is still being maintained, the pump will shut down after the off -time delay.

    Get Price
  • General Information Typical Pressure Sensing Line ...

    2014-5-8 · between the pump discharge flange and the discharge control valve, as appropriate. A.10.5.2.1 Installation of the pressure-sensing line between the discharge check valve and the control valve is necessary to facilitate isolation of the jockey pump controller (and sensing line) for maintenance without having to drain the entire system (See figure

    Get Price
  • Pump Quest: shut off pressure, minimum flow and

    2012-1-6 · Jockey pump had a pressure-switch control set at 15.4 bar whereas main pump rating was 12 bar. These pressure-settings seem to be unduly high. Pressure-switch setting of 12.5 bar for the jockey pump should be good enough and at that pressure the jockey pump would be safely away from safe minimum flow. Then shaft-failures would not happen.

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  • CTS Egypt

    This package consists of 2 electric motor driven fire pumps, (one is duty and another one is standby), jockey pump, pressure vessel, suction and discharge manifold, discharge pressure gauge, pressure switches, common controller for manual or auto operation …

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  • DIESEL FIRE PUMP INSPECTION CHECKLIST

    2018-4-11 · Promptly correct any deficiencies found. The jockey pump stop point should equal the pump churn pressure plus the minimum sta tic supply pressure. The jockey pump start point should be at l east 0.68-bar (10-psi) less than the jockey pump stop point. The fire pump start point should be 0.34-bar (5-psi) less than the jockey pump start point.

    Get Price
  • Testing & Commissioning Of Fire Pumps – Method

    In case of any pressure drop in line due to hose reel, fire hose, sprinkler opening or any small leak in the lines, if the pressure reaches to the cut-in pressure point for the jockey pump it will start automatically and stop automatically at cut-off pressure. If the jockey pump couldn’t maintain the pressure in the system and pressure …

    Get Price
  • Pump Quest: shut off pressure, minimum flow and

    2012-1-6 · Jockey pump had a pressure-switch control set at 15.4 bar whereas main pump rating was 12 bar. These pressure-settings seem to be unduly high. Pressure-switch setting of 12.5 bar for the jockey pump should be good enough and at that pressure the jockey pump would be safely away from safe minimum flow. Then shaft-failures would not happen.

    Get Price
  • User’s Manual - Pump Manufacturing

    2017-2-3 · Lag pump stops after the lag stop pressure is achieved and the flow rate is lower than the flow start setting for the off-delay time period. When all lag pumps are stopped, the jockey pump will restart and if the pressure is still being maintained, the pump will shut down after the off -time delay.

    Get Price
  • NPE Series Fire Pump Set | Fire pumps Dubai

    This package consists of 2 electric motor driven fire pumps, (one is duty and another one is standby), jockey pump, pressure vessel, suction and discharge manifold, discharge pressure gauge, pressure switches, common controller for manual or auto operation …

    Get Price
  • General Information Typical Pressure Sensing Line ...

    2014-5-8 · between the pump discharge flange and the discharge control valve, as appropriate. A.10.5.2.1 Installation of the pressure-sensing line between the discharge check valve and the control valve is necessary to facilitate isolation of the jockey pump controller (and sensing line) for maintenance without having to drain the entire system (See figure

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  • Consulting - Specifying Engineer | Piping

    2015-3-16 · The jockey pump pressure switch is normally set at a higher pressure so that the jockey pump starts before the fire pump. Note that each controller, the one for the jockey pump and the one for the fire pump, must have its own independent pressure sensing line that connects the fire protection system with the pressure switches in each controller.

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  • EDJ Multistage Fire Pump Set--(Diesle + Eletctric +

    2021-4-19 · Jockey pump and pressure vessel can save some electric power. Convenience. It can be remote controlled by App in phones. Six Bare Pump Models Can be Choosed ... Discharge pipe & meters . Good quality mainfold . Suction pipe & valves . DIN flanges and valves ...

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  • DIESEL FIRE PUMP INSPECTION CHECKLIST

    2018-4-11 · Promptly correct any deficiencies found. The jockey pump stop point should equal the pump churn pressure plus the minimum sta tic supply pressure. The jockey pump start point should be at l east 0.68-bar (10-psi) less than the jockey pump stop point. The fire pump start point should be 0.34-bar (5-psi) less than the jockey pump start point.

    Get Price
  • Testing & Commissioning Of Fire Pumps – Method

    In case of any pressure drop in line due to hose reel, fire hose, sprinkler opening or any small leak in the lines, if the pressure reaches to the cut-in pressure point for the jockey pump it will start automatically and stop automatically at cut-off pressure. If the jockey pump couldn’t maintain the pressure in the system and pressure …

    Get Price
  • Fire Pump Set 2 – Brykfire Equipments Limited

    BRYK Fire Pump Set This package consists of one main pump coupled to electric motor, one stand by pump coupled to diesel engine, jockey pump, pressure vessel, controller (s) for manual or automatic operation of system and standard accessories mounted on base frame(s).The electric pump shall be End Suction or Single Stage Horizontal split case multi stage or Horizontal multi stage centrifugal ...

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  • FIRE PUMP STARTING - SPRINKLER SYSTEM SURGE

    2015-7-28 · ABOVE pressure graph from the diesel controller history an example of a system maintained by the jockey pump between 140 and 126 PSI over a seven-hour …

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  • The Jockey Pump, an Important Part of a Fire

    2009-8-1 · The Pressure Maintenance Pump (PMP), JP, or makeup pump is referenced in Paragraph 5.24* Pressure Maintenance (Jockey or Makeup) Pumps. Section 5.24.1- The PMP shall have rated capacities not less than normal leakage. Section 5.24.2- The pumps shall have discharge pressure sufficient to maintain the desired fire system pressure.

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  • China High Pressure Fire Fighting Jockey Pump -

    Jockey Pump, Pressure Pump, High Pressure Fire Pump manufacturer supplier in China, offering High Pressure Fire Fighting Jockey Pump, Fire Cable 2 Core 2 Fire Alarm Cable Specification Shielded, Factory Smoke and Heat Two-in-One Tester Kit and so on.

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  • Installation and Operation Instructions - Peerless Pump

    2020-9-29 · (a) For all pump installations, including jockey pumps, each controller shall have its own individual pressure sensing line. (b) The pressure sensing line connection for each pump, including jockey pumps, shall be made between that pump's discharge check valve and discharge …

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  • Multistage Diffuser Pumps Types TMUB, TMUAH and J

    2020-9-29 · The pump shaft should be turned by hand to make sure it is free and the pump fully primed as instructed in Part 6. All valves in the suction line must be opened and the discharge valve closed. The pump can now be started when pressure is up, the discharge valve opened to its operating position. NOTE: If the pump is run dry

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  • Jockey Pump - Industrial Professionals -

    2009-6-17 · Jockey Pump - posted in Industrial Professionals: i am working on finding the deficiencies in the fire water system at bulk plant as per NFPA 20.In that system, Jockey pumps are installed without any pressure sensing lines (no pressure actuated switches). So these jockey pumps are in operation for 24 hours/day.But NFPA 20 states that there must be pressure sensing line at the discharge line of ...

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  • General Information Typical Pressure Sensing Line ...

    2014-5-8 · between the pump discharge flange and the discharge control valve, as appropriate. A.10.5.2.1 Installation of the pressure-sensing line between the discharge check valve and the control valve is necessary to facilitate isolation of the jockey pump controller (and sensing line) for maintenance without having to drain the entire system (See figure

    Get Price
  • Fire Jockey Pump Rev B1 | GUGyug hbshfvi -

    Fire Jockey Pump Rev B1. Download. Fire Jockey Pump Rev B1. GUGyug hbshfvi. DATA SHEET FOR FIRE JOCKEY PUMP Area Code Doc.Classification Project No Sequential No. Rev. Pages Discipline Code Code DATA SHEET FOR FIRE JOCKEY PUMP ` Document Class: Z B1 06.12.11 S03 Issued For Design N.V.HIEN N.D.SANG T.D.NGUYEN B0 30.10.11 S03 Issued For Design ...

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  • WEEKLY FIRE PUMP INSPECTION & TEST PROCEDURES

    2018-4-11 · • Verify start and stop settings on the pressure maintenance pump (jockey pump) by dropping the pressure in the jockey pump sensing line. • After completion of all inspection procedures, start the pump automatically by slowly dropping the pressure in the controller sensing line. After starting, the pump should be run at least 10 minutes.

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  • The City of Oklahoma City Fire Department

    2015-12-9 · Inspect the fire pump, driver, piping, jockey pump and the controller to ensure compliance with the adopted codes and plan design. Survey the site of the pump test to determine how the pump discharge will drain or be disposed of. The discharge from the smallest fire pump can approach 750 GPM and contain rocks and debris. If

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  • General requirements of pressure gauge - NFPA 20 -

    2018-11-3 · Discharge Gauge Requirements: The dial is not less than 3.5 inch diameter with a nominal 0.25 inch gauge valve. Pressure range at least twice the rated working pressure of the pump but not less than 200 psi (13.8 bar). Units: bar, pounds per square inch, or both with the manufacturer's standard graduations. Suction Gauge Requirements:

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