Parker C Series Check Valve – Up to 414 bar

Parker C Series Check Valves – Compact, Reliable, and Versatile Flow Control

Parker's C Series check valves are engineered for reliable one-way flow control of liquids and gases in demanding industries such as oil & gas, chemical processing, pharmaceuticals, and power generation. The series offers a wide range of end connections – including NPT, BSP, CPI™, A-LOK®, VacuSeal, and SAE – ensuring seamless integration into existing piping systems.

Available in 316 stainless steel or brass, the valves cover sizes from 1/8" to 1" with orifice diameters ranging from 2.0 mm to 16.7 mm and Cv values from 0.18 to 6.56, delivering high flexibility for diverse flow requirements.

Key Features:

• Pressure ratings up to 6000 psig (414 bar) for stainless steel and 3000 psig (207 bar) for brass
• 100% factory tested for cracking and resealing performance
• Available cracking pressures: 1/3, 1, 10, or 25 psi
• Repair kits available for all sizes including seats, springs, and instructions
• Oxygen cleaning per ASTM G93 Level C for oxygen-enriched environments

Seat/Seal Materials:

• PTFE: -54°C to +204°C
• EPR: -57°C to +135°C
• Nitrile: -34°C to +135°C
• Neoprene: -43°C to +121°C
• Fluorocarbon: -26°C to +204°C

The C Series complies with relevant industry standards and is supplied with genuine Parker components for optimal performance and reliability in demanding applications.