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Bowman Non-storage Calorifiers Our stainless steel calorifiers provide a simple method of heating water indirectly from a low pressure primary supply.
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Bowman Non-storage CalorifiersBowman stainless steel calorifiers provide a simple method of heating water indirectly from a low pressure primary supply. As both circuits can be pump assisted, the surface area required is only about 25% of that required in conventional storage calorifiers. With new installations, their compact, modern design will result in a substantial cost and space saving. They also enable an indirect system to be installed, replacing a direct system using existing storage tanks.
The calorifiers should be installed as shown on the drawings, both the boiler and the secondary water must be pump assisted. Indicated on the reverse page are the ratings of the various units.
BS EN ISO 9001-2000Reg. No. FM38224
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Hot Water
Cylinder
Pump
Pump
Boiler
EJ Bowman (Birmingham) Ltd Chester Street, Birmingham B6 4AP, UK Tel: +44 (0) 121 359 5401 Fax: +44 (0) 121 359 7495 Email: [email protected]
BS EN ISO 9001-2000Reg. No. FM38224
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BS EN ISO 9001-2008Reg. No. FM38224www.ejbowman.co.uk
A B C D E F G H K L M mm mm mm mm mm mm BSP mm mm mm mm
Dimensions
10 – 13 1.1 106 50 - - 25 - ½” 11 50 16 - 15 – 13 3.3 159 75 165 7 37.5 45 ¾” 12 74 20 4 15 – 17 3.7 159 75 165 7 37.5 45 ¾” 12 94 20 4 20 – 17 7.6 212 100 220 7 50 60 1” 12 123 24 5 25 – 17 13.8 265 125 275 9 62.5 75 1¼” 15 153 28 6
15-5 159 75 165 7 37.5 45 ¾” 12 34 20 4 2.5 0.18 15-9 159 75 165 7 37.5 45 ¾” 12 54 20 4 2.9 0.36 15-13 159 75 165 7 37.5 45 ¾” 12 74 20 4 3.3 0.55 15-17 159 75 165 7 37.5 45 ¾” 12 94 20 4 3.7 0.72 15-21 159 75 165 7 37.5 45 ¾” 12 112 20 4 4.1 0.90 15-29 159 75 165 7 37.5 45 ¾” 12 152 20 4 5.0 1.27
20-5 212 100 220 7 50 60 1” 12 45 24 5 5.4 0.44 20-9 212 100 220 7 50 60 1” 12 71 24 5 6.1 0.88 20-13 212 100 220 7 50 60 1” 12 97 24 5 6.8 1.32 20-17 212 100 220 7 50 60 1” 12 123 24 5 7.6 1.76 20-21 212 100 220 7 50 60 1” 12 149 24 5 8.4 2.20 20-29 212 100 220 7 50 60 1” 12 201 24 5 10.2 3.08 25-29 265 125 275 9 62.5 75 1 ¼” 15 249 28 6 18.8 6.02
Technical Information
Type Weightkg
Boiler water Head Loss Secondary Head Loss Heat Transfer Volume of water pump flow water pump flow heated from 10ºC to 60ºC per hour
l/min kPa l/min kPa kW litre
Technical Specifications
10 – 13 12 18 12 20 15 260 15 – 13 20 10 20 11 25 430 15 – 17 30 28 30 30 42 720 20 – 17 40 16 40 17 60 1000 20 – 17 55 28 55 30 70 1200 25 – 17 75 21 75 23 95 1600 25 – 17 90 30 90 32 105 1800
Type
Maximum working pressure 6 bar Maximum working temperature 110ºC
Typical performance of non-storage calorifiers based on a boiler water flow of 82°C (180°F) and return of 65°C (150°F) with a cold water inlet of 10°C (50°F) heated to 60°C (140°F).
