Bitzer Bündelrohr-Verflüssiger, K123H-2/4 Pass

Design safety
Certified according to the European Pressure Equipment Directive 2014/68/EU

Design features

• Heat exchanger pipes: made from Cu or Cu-Ni (saltwater resistant version) with newly developed pipe geometry and a “low foulin
• g” profile on the cooling medium side
• Heat exchanger pipes are soldered into breaker plates to ensure a secure seal
• mantle pipes and breaker plates made from pressure vessel steel P 265 GH
• Recirculating cap:
  - removable, allows pipes to be mechanically cleaned
  - connection and deflecting side interchangeable
  - cooling medium outlet from K573H(B)
  - additional bleeding plugs from K38 03T(B)
• Breaker plates with plastic coating
• Cooling medium connections: Threaded pipe or flange
• inspection glass as standard
• Mounting brackets
  - bottom: vessel labelled as “N”
  - top and bottom: vessel labelled as “H” (for installing single compressors) and “T” (for single and tandem compressors)
• Refrigerant connections
  - pressurised gas: Rotalock adapter/solder connector with flange K1053H(B) and above
  - refrigerant outlet: shut-off valve
  - alternative refrigerant outlet from model K123HB
• Rotalock connections for pressure relief valve
  - inner thread 3/a'' -18 NPTF
  - outer thread 1 ¼” - 12 UNF
• suitable for (H)CFC / HFC refrigerants (refrigerants with a temperature glide > 2 K on request)
• Maximum permitted pressure/temperature
  - refrigerant side: 28 bar / -10 °C to 120 °C
  - cooling medium side: 10 bar / -10 °C (with antifreeze agent) to 95 °C
• inert gas filling

bundled pipe condensers with refrigerant outlet at the bottom can also be used as pressurised gas desuperheaters.

Special versions:

• Salt water resistant version:
  - Cu-Ni pipe, recirculating cap with plastic coating
• recirculating cap with plastic coating for standard version with Cu pipes
• mounting rails or plates (e.g. for installing compressor)
• adapter for connecting the pressure relief valve on all models
• threaded or welding neck flange
• refrigerant inlet and outlet with various adapter and valve combinations
• conforms to foreign regulations and various certification societies (e.g. Bureau Veritas, Germanischer Lloyd, Lloyd's Register of Shipping)

Scope of delivery / accessories
4-pass design corresponds to standard version

Performance data
The specified compressor performance is based on valves measured at a pressurised gas temperature of 90 °C and a cooling medium cleanliness factor r= 0.4 x 1 o-4 m2 K/W.


Condenser design
Calculating of condenser capacity Q

When selecting a condenser it is first necessary to determine the condenser capacity Q. Condensing capacity can be calculated in two different ways:

Condensing capacity as the sum of the refrigeration capacity and power consumption
This method adds together the refrigeration capacity and power consumption of the compressor (or compressors in a power rack). Performance data can be found in the compressor information leaflets or in the software.

Estimation using factors
A simplified method can also be employed for typical designs. To determine condensing capacity, the refrigeration capacity of the compressor is multiplied by the factor in the following diagram.
 

ParametrHodnotaHmotnostHmotnost netto14, 0 kgObecné informaceTypBündelrohrverflüssigerChladicí náboj5, 1 kg = R448A / R449AChladicí náboj4, 9 kg = R404AChladicí náboj2, 3 kg = R290Chladicí náboj(viz vysvětlení 3)TypK123HTyp kondenzacewassergekühltfür Verdichter2KES- 05Y.. 2FES- 3Yfür Verdichter2EES-2Y.. 2CES-4YObjemChladicí strana5,1 dm ³Střední strana chlazení0,9 dm ³Připojení2 přihrávkaG 3 / 4 Inch4 přihrávkaG 1 / 2 Inch2 přihrávka2 x G 1 / 2 Inch4 přihrávkaG 1 / 2 InchRotalockové připojeníVýstup1- 14 UNS InchInlet1- 14 UNS InchRozměryPrůměr108 mmSpojení potrubíPrůměr12 mm / 1 / 2 palce (viz vysvětlení 4)Průměr16mm / 5 / 8 palcůÚdaje o výkonnostiDte 10K14270 WDte 15K21400 WDte 10K11500 WDte 15K17200 W2 přihrávka10 kPaPrůtok2,14 m ³ / h / Ne.Průtok2,75 m ³ / h / max. (viz vysvětlení 2)Průtok0,85. m ³ / h / min.Kapacita kondenzátoru14,8 kW / (viz vysvětlení 1)2 přihrávka0, 76 / l / s2 přihrávka2, 74 / m ³ / h4 přihrávka0, 38 / l / s4 přihrávka1, 37 / m ³ / h