Brochure

Parker Hannifin Corporation
Climate & Industrial Controls Group
Cleveland, OH
Catalog CIC-2003-1/US
Couplings
94
Technical Information
Pressure Drop Comparison
The graphs below show significant reduction in pressure drop and associated efficiency gains utilizing Parker
5700 Series Couplings vs. standard base valves.
0.0
1.0
2.0
3.0
4.0
5.0
Pressure Drop vs. Mass Flow
-8 Suction Line, Refrigerant -22
Pressure Drop (psi)
Refrigerant Mass Flow (Lbs/Hr)
200 400300 500 600 700
800
900160
Key:
-8 Straight Copper Tube
-8 Typical Base Valve
Parker 5781-8-8 Coupling
0.0
1.0
2.0
3.0
4.0
5.0
Pressure Drop vs. Mass Flow
-10 Suction Line, Refrigerant -22
Pressure Drop (psi)
Refrigerant Mass Flow (Lbs/Hr)
200 400300 500 600 700
800
900160
Key:
-10 Straight Copper Tube
-10 Typical Base Valve
Parker 5781-10-11 Coupling
0.0
1.0
2.0
3.0
4.0
5.0
Pressure Drop vs. Mass Flow
-12 Suction Line, Refrigerant -22
Pressure Drop (psi)
Refrigerant Mass Flow (Lbs/Hr)
200 400300 500 600 700
800
900160
Key:
-12 Straight Copper Tube
-12 Typical Base Valve
Parker 5781-12-11 Coupling
0.0
1.0
2.0
3.0
4.0
5.0
Pressure Drop vs. Mass Flow
-14 Suction Line, Refrigerant -22
Pressure Drop (psi)
Refrigerant Mass Flow (Lbs/Hr)
200 400300 500 600 700
800
900160
Key:
-14 Straight Copper Tube
-14 Typical Base Valve
Parker 5781-14-12 Coupling
5700 Series One-Shot™ Brass Couplings