RELIEF DIRECT-ACTING

Parker’s selection of direct acting relief valves are fast acting and designed for continuous duty applications with pressures up to 420 bar (6000 psi) and flows up to 200 lpm (53 gpm) in a variety cavity sizes. The variety of pressure adjustment styles available makes these valves an economical solution for clipping pressure spikes and can handle up to full system flow if needed. Poppet style direct acting valves have low leak conditioned seats and are ideal port reliefs in cylinder control applications. Parker’s small, low flow, direct acting valves perform well when controlling pilot circuits or limiting load sense pressure.

Features:

• Hardened, precision ground parts for durability
• Compact size for reduced space requirements
• Low leakage design poppet design available
• Fast response
• All external parts zinc plated
• High pressure (6000 psi) product available in some models
• Adjustable, fixed, or tamper resistant adjustments available
• Multiple spring ranges are available
• All valves are 100 % tested

Applications:

• Port/cross-port relief
• System relief
• Pilot and/or load sense relief
• Braking

Markets: