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COIL TYPE HEAT EXCHANGE
Coil type heat exchanger is mainly used as condenser or cooler. It can, however, be used for heat transfer between liquids & gases in general. It has the coil battery welded to the jacket making a one piece unit. The maximum allowable pressure in the coils is 2.7 bar gauge.

PERFORMANCE DATA
An approximate calculation of heat transfer surface areas can be based on the following guide figure for heat transfer coefficients. The figures do not show the maximum performance of the units but are a general indication of typical working conditions.

Jacket side Medium Vapour to be
Condensed
Liquid Gas
Coil side medium Cooling water Cooling water Cooling water
Heat transf. coeff. Kcal/hr-m2-0c 200-250 100-150 40-60
aCOIL_TYPE_HEAT_EXCHANGE

PRECAUTIONS TO USE CONDENSER ARE AS FOLLOWS:

  • When connection coil-type condensers to the coolant supply, adequate flexible hose should be used to ensure that stresses are not transmitted to the glass. sers to the coolant supply, adequate flexible hose should be used to ensure that stresses are not transmitted to the glass.
  • Condenser should never be operated with steam in the coils. They should always be used with an adequate flow of coolant through the coils and care should be taken to ensure that the coolant does not become heated to boiling point.
  • Coolant control valves should always be turned on and off slowly, particularly when air is present in the line. Coolant should be allowed to drain freely to a point as close as practicable to the heat exchanger.
  • Care should be taken in arranging the coolant supply in order to avoid water hammer A uniform, continuous supply of coolants should be ensured.
  • If a condenser is out of service for any length of time, it is advisable to drain the coils, especially in winter when suitable precautions should be taken to prevent freezing of any water remaining after draining.
  • Brine or other coolants in closed circuit can be used as coolant provided the suitable precautions against water hammer are taken.
  • Condensers can be mounted in series to provide larger surface area. Condensers should be mounted vertically only.
  • The maximum pressure in the coil is 2.7 bar. The maximum differential pressure across the coils 2.7 bar.

GLASS CONDENSER

HTA(m2) DN D/DN1 L L1 L2 Type Jacket Cap. Ltr Coolant Rate Kg/h *FCSA SHELL (cm2) CAT.REF.
0.20 40 16 600 85 100 A 1 750 4.5 AHE1.5/2
0.35 50 16 600 90 100 A 1.25 1300 5 AHE2/3.5
0.35 80 16 600 90 100 A 2 1300 5 AHE3/3.5
0.50 100 19 600 120 100 A 4 2400 30 AHE4/5
0.60 100 19 750 120 100 A 6 2400 30 AHE4/6
1.00 150 25 600 150 100 B 9 2600 52 AHE6/10
1.50 150 25 850 150 125 B 11 2600 52 AHE6/15
2.50 225 25 800 180 125 B 18 3300 142 AHE9/25
2.50 300 25 600 250 125 B 25 5700 175 AHE12/25
4.00 300 25 900 250 125 B 35 5700 175 AHE12/40
4.00 400 25 600 265 125 B 60 6200 450 AHE16/40
5.00 400 25 700 265 125 B 70 6200 450 AHE16/50
6.00 450 40 750 325 150 B/C 100 4800 820 AHE18/60
8.00 450 40 900 325 150 B/C 110 6200 820 AHE18/80


Note:L/L1/L2 may be +10mm.*FCSA-Free Cross Section Area.


Glass Coil Condenser

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