HERL Series
Parker’s HERL expansion valves offer the industry’s most dependable performance. These valves feature a single piece body [...]
RS Valves
The RS Shut- off/ Expansion Valves were designed and built to maintain reliability both in their seating and back seating functions.
Refrigerant Shut-off Valves
Parker's shut-off valves are designed for the safe handling of air, gases and liquids for many hydraulic, pneumatic, instrumentation, refrigeration and aerospace applications