RDC Cartidge
Differential Relief Valve
System pressure protection against surges • Flow rates to 40 US gpm (155 l/min) • Working pressures from 500 to 4,000 psi (35 to 276 bar) • Plated steel cartridge • Few moving parts enhance reliability • Cavity details available for personal manufacture of manifold

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RDV Valve
Single Differential Relief Valve
Single relief cartridge (RDC) in block • Porting sizes 3/8" thru 1" • Female pipe thread or female SAE O-ring boss porting • Flow rates to 40 US gpm (155 l/min) • Working pressures from 500 to 4,000 psi (35 to 276 bar) • Anodized aluminum block, plated steel cartridge

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MDD Valve
Dual Differential Relief Valve
Features two relief cartridges (RDC) in single housing • Crossover design allows high pressure to relieve to low pressure side in one body • Flows to 40 US gpm (155 l/min) • Pressures of 500 to 4,000 psi (35 to 276 bar) • NPSF or female SAE O-ring boss porting available.

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MCD Valve
Dual Relief Vlave with Make-Up Checks
Two relief cartridges & two soft seat, free reverse flow check valves in single body • Integral make-up checks prevent pump cavitation • Flows to 40 US gpm (155 l/min) • Pressures of 500 to 4,000 psi (35 to 276 bar) • NPSF or female SAE O-ring boss porting in 3/8" to 1" sizes

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