ALCO (COPELAND/EMERSON) Thermo-Expansion Valve Series T Exchangeable Power Assemblies and Orifices

Modular design for economical logistics and easy assembly and servicing
• Very good stability due to large diaphragm diameter
• Constant superheat across a wide application range
• Superior partial load performance due to double seat orifice design
• Bi-flw capability for applications in heat pumps
• Capillary tube length 1.5 m and 3m 
• Max. allowable pressure PS:
- 46 bar with XB power assembly
- 31 bar with XC power assembly
• Medium Temperature range TS: -45…+75°C
• Flanges: brazing ODF/ODM connection

Orifice Connection standard. Flange Angle type. Solder/ODF Power assembly    
X22440-B3.5B

C501-5 mm (10x16)

C501-5 (3/8"x5/8")

C501-7 (1/2" x 5/8")

A576 (5/8" x 7/8" ODF  22x28 mm (ODM)  

 

XB1019SW-1B (R404A/R507A/R452A*)

XB1019NW-1B (R407C/R454C)

XB1019MW-1B (R134A/R513A*/R450A*/R1234yf*/R1234ze*)

XB1019BW-1B (R449A/R448A/R454A*)

 

   
X22440-B4B    
X22440-B5B    
X22440-B6B    
X22440-B7B  
X22440-B8B
X11873-B4B

10331

7/8" x 7/8" ODF

1-1/8" x 1-1/8" ODF

   
X11873-B5B    

 

 

Orifice Connection standard. Flange. Angle type. Solder/ODF Power assembly    
X9117-B6B  

9152 (taisnais)

9153

7/8" x 7/8" ODF

1-1/8" x 1-1/8" ODM

        

XC726NW-2B (R407C/R454C)

XC726SW-2B (R404A/R507A/R452A*)

XC726MW-2B (R134A/R513A*/R450A*/R1234yf*/R1234ze*)

 

   
X9117-B7B    
X9117-B8B    
X9117-B9B    
X9166-B10B    
X9144-B11B 9149

7/8" x 7/8" ODF

1-1/8" x 1-1/8" ODM

  
   
X9144-B13B    

 

Orifice Nominal** capacity
R404A R407C R134A
X22440-B4B 12.2 kW 18.7 kW 13.5 kW
X22440-B5B 15.7 kW 24.0 kW 17.3 kW
X22440-B6B 21.5 kW 32.9 kW 23.6 kW
X22440-B7B 29.0 kW 44.4 kW 32.0 kW
X22440-B8B 37.2 kW 51.7 kW 37.2 kW
X11873-B4B 40.0 kW 62.0 kW 45.0 kW
X11873-B5B 51.0 kW 80.0 kW 57.0 kW
X9117-B6B 63.0 kW 99.0 kW 71.0 kW
X9117-B7B 72.0 kW 112.0 kW 81.0 kW
X9117-B8B 99.0 kW  155.0 kW 112.0 kW
X9117-B9B 120.0 kW 188.0 kW 135.0 kW
X9166-B10B 154.0 kW 241.0 kW 174.0 kW
X9144-B11B 174.0 kW 273.0 kW 197.0 kW
X9144-B13B 209.0 kW 327.0 kW 236.0 kW

*Superheat readjustment required

**Note: Nominal conditions: Evaporating Temperature +4°C (dew point), Condensing Temperature +38°C (bubble point), Subcooling 1 K.
For selection of other operation conditions, please use the “Controls Navigator” selection tool. 
To facilitate valve dimensioning for other than standard conditions, COPELAND/EMERSON offers the “Controls Navigator” selection tool which can be downloaded from  https://www.copeland.com/en-gb

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