aerospace climate control electromechanical filtration fluid & gas handling hydraulics pneumatics process control sealing & shielding R56/R57E43 Series Solenoid Valves Catalog D-1b, November 2014Starker ENGINEERING YOUR SUCCESS.

Page 2 / Catalog D-1b, R56/R57E43 Series Solenoid Valves

Catalog D-1b, R56/R57E43 Series Solenoid Valves / Page 3 Introduction For Refrigerants 22, 134a, 401A, 402A, 404A, 407C, 407F, 410A, 507 Large Capacity, Pilot Operated Valve Mount Horizontally, on Side, or in a Vertical Line PKC-1 Coil, Class F R56/R57E43 Series APPLICATION Parker's Type R56/R57 Series are large capacity, pilot operated solenoid valves designed for refrigeration and air conditioning applications. At lowest load, a minimum pressure differential of one psi is required for full operation. The Type R56/R57 series may be brazed into line without disassembly as valves contain extended...

Page 4 / Catalog D-1b, R56/R57E43 Series Solenoid Valves VALVE SERIES STANDARD CONNECTION Inches PORT SIZE Inches Maximum rated pressure (MRP) is 680 psig (47 bar). Dual voltage 4-wire coils, 120-208-240/50-60 are available at slight additional cost. For other voltages and cycles, consult Sporlan, Washington, MO 63090. Coils are available with conduit boss or junction box. Manual Lift Stem is not available with Normally Open Valves. For R57 Series Valves: When using 208 volts, do not operate 208-240 volt coil at 85% voltage and hot coil. If so, MOPD may be lower than stated in this bulletin....