Brochure

Parker Hannifin Corporation
Climate & Industrial Controls Group
Cleveland, OH
Catalog CIC-2003-1/US
146
Thermostatic and Constant Pressure (Automatic) Expansion Valves
G Series
The G series features a brass body with SAE flare connections and is
available internally or externally equalized through a 1/4" SAE male fitting.
It provides accurate and stable control over changing loads, and is an ideal
selection for refrigeration and air conditioning systems. An array of Rainbow
Charges™ provide the necessary control and operation.
Applications
• Small Refrigeration Machines
• Slush Machines
• Air Conditioning Units
• Freezers
• Walk-in Boxes
• Refrigerated Cases
Specifications
Notes:
1. Maximum operational pressure 500 psig (35 bars) high side
and 275 psig (19 bars) low side.
2. Maximum storage temperature 130°F (55°C).
3. Consult Parker for pressure and temperature exceptions.
4. Do not use “W” or “Z” liquid charges in applications where bulb
temperatures can exceed 130°F (55°C). For these applications
use type “X” MOP gas charge only.
Technical Information G Series
Features and Benefits
• 30" capillary tube with shock loop
• Stainless steel power element
• Field adjustable superheat
• 1/4" SAE external equalizer
• Inlet strainer
• Rainbow Charges™ available
• Weight: 1.0 lbs / 0.45 kg
Optional inlet screen available.
Use Parker part numbers:
056813-00
056820-00
Dimensions
Refrigerant
Refrigerant
Designation
Nominal
Capacity
Internally
Equalized
Externally
Equalized
Rainbow
Charges™
Inlet Connection
(Optional)
Outlet Connection
(Optional)
Equalizer
Connection
1/8 G 1/8 J GE 1/8 J
1/4 G 1/4 J GE 1/4 J
R-12 1/2 G 1/2 J GE 1/2 J
R-134a 1 G 1 J GE 1 J
R-401A J 1 1/2 G 1-1/2 J GE 1-1/2 J
R-401B 2 G 2 J GE 2 J
2 1/2 G 2-1/2 J GE 2-1/2 J
3 G 3 J GE 3 J 3/8" SAE & (1/2") 1/2" SAE & (5/8")
5 G 5 J GE 5 J 1/2" SAE 5/8" SAE
1/8 G 1/8 S GE 1/8 S
1/4 G 1/4 S GE 1/4 S
1/2 G 1/2 S GE 1/2 S
R-402A 1 G 1 S GE 1 S 1/2" SAE
R-402B S 1-1/2 G 1-1/2 S GE 1-1/2 S
R-404A 2 G 2 S GE 2 S
R-502 2-1/2 G 2-1/2 S GE 2-1/2 S
R-507 3 G 3 S GE 3 S
4 G 4S GE 4 S
6 G 6 S GE 6 S 1/2" SAE 5/8" SAE
1/4 G 1/4 V GE 1/4 V
1/2 G 1/2 V GE 1/2 V
1 G 1 V GE 1 V
V 1 1/2 G 1-1/2 V GE1-1/2 V
2 1/2 G 2 1/2 V GE 2 1/2V
2 G 2 V GE 2 V 3/8" SAE & (1/2")
3 G 3 V GE 3 V 1/2" SAE & (5/8")
4 G 4 V GE 4 V
5 G 5 V GE 5 V 1/2" SAE 5/8" SAE
8 G 8 V GE 8 V
1/4" SAE & (3/8")
(1/4" SAE)
3/8" SAE
3/8" SAE 1/2" SAE
W, X60
W, Z, X110 X35
W, Z, X100 X35
R-22
R-407C
1/4" SAE & (3/8")
1/2" SAE
3/8" SAE & 1/2"
1/4" SAE
1/4" SAE
1/4" SAE
1/2" SAE
3/8" SAE
1/4" SAE & (3/8")
3/8" SAE & 1/4" SAE