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“Pent-A-Boost” - Compact Domestic Booster Set
Part Number: BTAF (was BTAFV)
Product OverviewBTAF 700 / 900 / 1200
Compact booster pump set designed to boost pressure for tall buildings where the mains supply is inadequate e.g. penthouse suites.
The unit is supplied as a complete package on a stainless steel base plate ready for installation. The set is approved for drinking (Wholesome) applications since it has a screened overflow and vent – conforms to G16.13.
The primary purpose is to boost the water pressure for elevated areas or where a high flow rate is required – e.g. for showers and baths. However the set also provides backflow protection to Fluid Category 4. For Fluid Category 5 protection – use model BTAB
The relatively large 24 litre pressure vessel allows about 5 litres of water to be supplied without switching the pump on. To improve peak-demand performance, efficiency and longevity, an additional expansion vessel (e.g. 100 or 200 lt) should be installed to any part of the boosted system. There is a choice of three pump sizes – 700 W, 900 W & 1200 W. The pump starts automatically when the pressure drops to that selected on the adjustable pressure switch.
The unit is compact by virtue of the small 18 litre cistern. Care should be taken not to empty the cistern by ensuring the output flow is not greater than the inlet – see datasheet table.
Fast filling is achieved by a servo-controlled solenoid valve with solid-state level probe control. This system has proved to be more reliable and accurate than conventional float valves.
The unit is quiet by virtue of a centrifugal pump, anti-vibration rubber feet and flexible stainless braided connection hoses.
For higher flow rates and variable speed pumps see variable speed "Pent-A-Boost" - model BTAF 3-5 / 3-7 / 3-10 / 5-4 / 5-8 / 5-10 / 5-16 -
Similar to the above but with variable speed inverter pump and a very fast filling stainless steel cistern. BMS outputs. Pump duties up to a remarkable 2 Lt/s output.
For dual pumps see dual pump "Pent-A-Boost" - model BTAF 3-7S / 3-10S / 5-4S / 5-8S / 3-7A / 3-10A -
Available as Duty Standby (one pump runs at a time) or Duty Assist (allows the second pump to switch on as required - doubling output). Both pumps are variable speed. The footprint is the same as the single pump yet the duty is up to 2.4 Lt/s output.
Associated Products:
• Brackets (BTBRA)
• Drip Tray (BTDT1/BTDT2) -
GRP drip tray c/w float switch (up to 3-7). Model BTDT2 includes controller
and additional solenoid
• Wall Cover (BTCAB3) -
Brackets required - see above. Heater and thermostat optional
• Insulation Jackets - (BTJAC)
4 hole for fixed speed and 5 hole for variable speed
• Expansion Vessel (EVUP)
• Bypass Valve (BPV)
Specification Clause
Fixed Speed Pump
A Booster Pump Set “Pent-A-Boost” shall be installed – model BTAF7001 - as manufactured and distributed by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The unit shall have an 18 litre cistern, with a lid and screened DN40 overflow complying with G16.13 of the Water Regulations. The pump shall be centrifugal with stainless steel impellors and housing with an input power of 700 W and 3.3 bar closed valve head2 and be controlled by a pressure switch connected to a 24 litre pressure vessel. The cistern level shall be controlled automatically by a servo solenoid valve operated via stainless steel conductive electrodes and controller. A low-level pump cut-out shall be controlled by electrodes in the cistern, which shall automatically reset once the cistern is sufficiently full. The unit shall feature a stainless steel base plate and be acoustically attenuated by anti-vibration feet and stainless steel braided flexible hoses. A 22 mm3 supply is required, which must maintain a dynamic pressure of 1.2 bar4.
Amend as required
[1] 700 or 900 or 1200
[2] 900 W and a closed valve head of 4.5 bar
[2] 1200 W and a closed valve head of 5.7 bar
[3] 28 mm (standard on model 1200, optional on others)
[4] 1.0 bar (where 28 mm supply specified)
Variable Speed Pump up to 1.2 lt/s
A Booster Pump Set “Pent-A-Boost” shall be installed – model BTAF3-71 - as manufactured and distributed by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The unit shall have an 18 litre cistern, with a lid and screened DN40 overflow complying with G16.13 of the Water Regulations. The pump shall be centrifugal with stainless steel impellors and housing. The pump speed shall be varied by an integral inverter to provide a constant pressure. The duty at 100% output shall be 3.0 bar2 @ 0.9 lt/s and be controlled by a pressure transducer, which is damped with a 24 litre pressure vessel. The cistern level shall be controlled automatically by a servo solenoid valve operated via stainless steel conductive electrodes and controller. A low-level pump cut-out shall be controlled by electrodes in the cistern, which shall automatically reset once the cistern is sufficiently full. The unit shall feature a stainless steel base plate and be acoustically attenuated by anti-vibration feet and stainless steel braided flexible hoses. A 28 mm3 supply is required, which must maintain a dynamic pressure of 1.0 bar4.
Amend as required
[1] 3-5
[2] 1.8 bar (model 3-5)
[3] 22 mm (for model 3-5)
[4] 1.2 bar (required for model 3-5 with 22 mm inlet)
Variable Speed Pump up to 2.0 lt/s
A Booster Pump Set “Pent-A-Boost” shall be installed – model BTAF5-81 - as manufactured and distributed by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The unit shall have an 18 litre cistern, with a lid and screened DN40 overflow complying with G16.13 of the Water Regulations. The pump shall be centrifugal with stainless steel impellors and housing. The pump speed shall be varied by an integral inverter to provide a constant pressure. The duty at 100% output shall be 3.0 bar @ 2 lt/s2 and be controlled by a pressure transducer, which is damped with a 24 litre pressure vessel. The cistern level shall be controlled automatically by two servo solenoid valves operated via stainless steel conductive electrodes and controller. A low-level pump cut-out shall be controlled by electrodes in the cistern, which shall automatically reset once the cistern is sufficiently full. The unit shall feature a stainless steel base plate and be acoustically attenuated by anti-vibration feet and stainless steel braided flexible hoses. A 35 mm supply is required, which must maintain a dynamic pressure of 1.0 bar.
Amend as required
[1] 5-4 or 5-10
[2] 1.5 bar @ 1.5 lt/s (model 5-4)
[2] 4 bar @ 2 lt/s (model 5-10)
Dual Pump – Duty Assist
A Booster Pump Set “Pent-A-Boost” shall be installed – model BTAF3-7A1 - as manufactured and distributed by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The unit shall have an 18 litre cistern, with a lid and screened DN40 overflow complying with G16.13 of the Water Regulations. The pumps shall be centrifugal with stainless steel impellors and housings. The pump speeds shall be varied by an integral inverter to provide a constant pressure. The pump controller shall feature alternate pump starting. The duty at 100% output shall be 3.0 bar2 @ 1.6 lt/s and be controlled by a pressure transducer, which is damped with a 24 litre pressure vessel. The cistern level shall be controlled automatically by two servo solenoid valves operated via stainless steel conductive electrodes and controller. A low-level pump cut-out shall be controlled by electrodes in the cistern, which shall automatically reset once the cistern is sufficiently full. The unit shall feature a stainless steel base plate and be acoustically attenuated by anti-vibration feet and stainless steel braided flexible hoses. A 35 mm supply is required, which must maintain a dynamic pressure of 1.0 bar.
Amend as required
[1] 3-10A
[2] 4.0 bar (model 3-10A)
Dual Pump – Duty Standby
A Booster Pump Set “Pent-A-Boost” shall be installed – model BTAF3-7S1 - as manufactured and distributed by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The unit shall have an 18 litre cistern, with a lid and screened DN40 overflow complying with G16.13 of the Water Regulations. The pumps shall be centrifugal with stainless steel impellors and housings. The pump speeds shall be varied by an integral inverter to provide a constant pressure. The pump controller shall feature alternate pump use. The duty at 100% output shall be 3.0 bar @ 0.9 lt/s2 and be controlled by a pressure transducer, which is damped with a 24 litre pressure vessel. The cistern level shall be controlled automatically by servo solenoid valve(s) operated via stainless steel conductive electrodes and controller. A low-level pump cut-out shall be controlled by electrodes in the cistern, which shall automatically reset once the cistern is sufficiently full. The unit shall feature a stainless steel base plate and be acoustically attenuated by anti-vibration feet and stainless steel braided flexible hoses. A 35 mm3 supply is required, which must maintain a dynamic pressure of 1.0 bar.
Amend as required
[1] 3-10S
[1] 5-4S
[1] 5-8S
[2] 4.0 bar @ 0.9 lt/s (model 3-10S)
[2] 1.5 bar @ 1.5 lt/s (model 5-4S)
[2] 3.0 bar @ 2 lt/s (model 5-8S)
[3] 22 mm (model 3-7S)
[3] 28 mm (model 3-10S or 5-4S)
Fixed Speed Pump
A Booster Pump Set “Pent-A-Boost” shall be installed – model BTAF7001 - as manufactured and distributed by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The unit shall have an 18 litre cistern, with a lid and screened DN40 overflow complying with G16.13 of the Water Regulations. The pump shall be centrifugal with stainless steel impellors and housing with an input power of 700 W and 3.3 bar closed valve head2 and be controlled by a pressure switch connected to a 24 litre pressure vessel. The cistern level shall be controlled automatically by a servo solenoid valve operated via stainless steel conductive electrodes and controller. A low-level pump cut-out shall be controlled by electrodes in the cistern, which shall automatically reset once the cistern is sufficiently full. The unit shall feature a stainless steel base plate and be acoustically attenuated by anti-vibration feet and stainless steel braided flexible hoses. A 22 mm3 supply is required, which must maintain a dynamic pressure of 1.2 bar4.
Amend as required
[1] 700 or 900 or 1200
[2] 900 W and a closed valve head of 4.5 bar
[2] 1200 W and a closed valve head of 5.7 bar
[3] 28 mm (standard on model 1200, optional on others)
[4] 1.0 bar (where 28 mm supply specified)
Variable Speed Pump up to 1.2 lt/s
A Booster Pump Set “Pent-A-Boost” shall be installed – model BTAF3-71 - as manufactured and distributed by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The unit shall have an 18 litre cistern, with a lid and screened DN40 overflow complying with G16.13 of the Water Regulations. The pump shall be centrifugal with stainless steel impellors and housing. The pump speed shall be varied by an integral inverter to provide a constant pressure. The duty at 100% output shall be 3.0 bar2 @ 0.9 lt/s and be controlled by a pressure transducer, which is damped with a 24 litre pressure vessel. The cistern level shall be controlled automatically by a servo solenoid valve operated via stainless steel conductive electrodes and controller. A low-level pump cut-out shall be controlled by electrodes in the cistern, which shall automatically reset once the cistern is sufficiently full. The unit shall feature a stainless steel base plate and be acoustically attenuated by anti-vibration feet and stainless steel braided flexible hoses. A 28 mm3 supply is required, which must maintain a dynamic pressure of 1.0 bar4.
Amend as required
[1] 3-5
[2] 1.8 bar (model 3-5)
[3] 22 mm (for model 3-5)
[4] 1.2 bar (required for model 3-5 with 22 mm inlet)
Variable Speed Pump up to 2.0 lt/s
A Booster Pump Set “Pent-A-Boost” shall be installed – model BTAF5-81 - as manufactured and distributed by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The unit shall have an 18 litre cistern, with a lid and screened DN40 overflow complying with G16.13 of the Water Regulations. The pump shall be centrifugal with stainless steel impellors and housing. The pump speed shall be varied by an integral inverter to provide a constant pressure. The duty at 100% output shall be 3.0 bar @ 2 lt/s2 and be controlled by a pressure transducer, which is damped with a 24 litre pressure vessel. The cistern level shall be controlled automatically by two servo solenoid valves operated via stainless steel conductive electrodes and controller. A low-level pump cut-out shall be controlled by electrodes in the cistern, which shall automatically reset once the cistern is sufficiently full. The unit shall feature a stainless steel base plate and be acoustically attenuated by anti-vibration feet and stainless steel braided flexible hoses. A 35 mm supply is required, which must maintain a dynamic pressure of 1.0 bar.
Amend as required
[1] 5-4 or 5-10
[2] 1.5 bar @ 1.5 lt/s (model 5-4)
[2] 4 bar @ 2 lt/s (model 5-10)
Dual Pump – Duty Assist
A Booster Pump Set “Pent-A-Boost” shall be installed – model BTAF3-7A1 - as manufactured and distributed by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The unit shall have an 18 litre cistern, with a lid and screened DN40 overflow complying with G16.13 of the Water Regulations. The pumps shall be centrifugal with stainless steel impellors and housings. The pump speeds shall be varied by an integral inverter to provide a constant pressure. The pump controller shall feature alternate pump starting. The duty at 100% output shall be 3.0 bar2 @ 1.6 lt/s and be controlled by a pressure transducer, which is damped with a 24 litre pressure vessel. The cistern level shall be controlled automatically by two servo solenoid valves operated via stainless steel conductive electrodes and controller. A low-level pump cut-out shall be controlled by electrodes in the cistern, which shall automatically reset once the cistern is sufficiently full. The unit shall feature a stainless steel base plate and be acoustically attenuated by anti-vibration feet and stainless steel braided flexible hoses. A 35 mm supply is required, which must maintain a dynamic pressure of 1.0 bar.
Amend as required
[1] 3-10A
[2] 4.0 bar (model 3-10A)
Dual Pump – Duty Standby
A Booster Pump Set “Pent-A-Boost” shall be installed – model BTAF3-7S1 - as manufactured and distributed by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The unit shall have an 18 litre cistern, with a lid and screened DN40 overflow complying with G16.13 of the Water Regulations. The pumps shall be centrifugal with stainless steel impellors and housings. The pump speeds shall be varied by an integral inverter to provide a constant pressure. The pump controller shall feature alternate pump use. The duty at 100% output shall be 3.0 bar @ 0.9 lt/s2 and be controlled by a pressure transducer, which is damped with a 24 litre pressure vessel. The cistern level shall be controlled automatically by servo solenoid valve(s) operated via stainless steel conductive electrodes and controller. A low-level pump cut-out shall be controlled by electrodes in the cistern, which shall automatically reset once the cistern is sufficiently full. The unit shall feature a stainless steel base plate and be acoustically attenuated by anti-vibration feet and stainless steel braided flexible hoses. A 35 mm3 supply is required, which must maintain a dynamic pressure of 1.0 bar.
Amend as required
[1] 3-10S
[1] 5-4S
[1] 5-8S
[2] 4.0 bar @ 0.9 lt/s (model 3-10S)
[2] 1.5 bar @ 1.5 lt/s (model 5-4S)
[2] 3.0 bar @ 2 lt/s (model 5-8S)
[3] 22 mm (model 3-7S)
[3] 28 mm (model 3-10S or 5-4S)
Application
Domestic (wholesome water) boosting. Fluid Category 4.
Domestic (wholesome water) boosting. Fluid Category 4.
Additional ResourcesPresentation • Backflow Mini Presentation - Please see 'Required Viewers' page for assistance with viewing presentations
• Pent-A-Boost Features & Benefits
• Pent-A-Boost Dual Features & Benefits
• Midi-Break Features & Benefits
• Approval Certificate
Pump Curves
• Fixed Speed
• 3 & 5 Series Variable - Full Speed
• 3 & 5 Series Variable - Constant Pressure
• Fixed Speed, 3 & 5 Series Variable
• Service Sheets
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