The Highlights below include features on recent products, solutions and news from Sun.
Browse these features by date or use the navigation in the left column to filter results by product or topic. 

Products » Cartridges

Precise electro-proportional inverse relief valve
Jun 22, 2021
Smooth, precise control of fan speed with full-flow relief to protect the system if the fan motor stalls
Rugged, Reliable Electro-Hydraulics
Apr 12, 2021
More than 40 electro-hydraulic valves that deliver longer life, better performance and Sun quality.
Precise, cost-effective control for motors & cylinders
Dec 14, 2020
FLeX Series FREP is an electro-proportional orifice & pressure compensator in one cost-effective flow control valve
CANpoint XMD Configuration Software
May 20, 2020
XMD driver plus PC-based program bring cost-effective closed-loop capabilities to your applications
FLeX Series 3-way directional blocking poppet valves
Dec 18, 2019
Extremely low-leakage poppet valves expand the FLeX family
New FLeX Series Solenoid-Operated Directional Valves
May 01, 2019
16 new 3-way and 4-way solenoid-operated directional valves join the FLeX Series lineup.
Factory-tuned, optimized electro-hydraulics right out of the box
Jan 31, 2019
Valve, coil and driver assembled together as one easy-to-order part.
Get the relief you need. Adjustable. Ventable. Blockable. FLeX-ible.
Oct 01, 2018
Sun introduces four new solenoid-operated, fully adjustable relief valves with ventable and blockable relief functions - a first for the industry. These RVC* valves add to the growing FLeX Series family.
Our FLeX family of solenoid-operated valves is expanding
Jul 17, 2018
New 3000-psi (210-bar) electro-proportional throttle valves and a new 5000-psi (350-bar) blocking poppet valve leverage FLeX technologies to reach into more applications.
Sun's New FLeX Series Solenoid Valves & Coils
Oct 29, 2017
FLeX Series Solenoid Valves & Coils
Keep it clean with Sun filter cartridges
May 30, 2017
Sun filter cartridges save space & save systems
New QuickSelect LoadHolding Selector Tool
Jul 15, 2016
Choosing the right load-holding valve shouldn’t be a game of chance.
QuickDesign with SmartConnect Offers Drag-and-Drop Schematic Tool
May 31, 2016
The shortest distance from concept to solution
CavitySaver multi-function valves deliver single-cartridge solutions
Mar 23, 2016
Reduce cavities, cost and maintenance in your hydraulic systems
Reduce Cylinder Decompression Shock and Cost of Ownership
Jan 29, 2016
How you can use Sun balanced logic elements to eliminate decompression shock.
Pursuing the Perfect Counterbalance Valve
Aug 19, 2015
LoadAdaptive: a new species of counterbalance valve
High Capacity Electro-Proportional Throttle Valve
Jan 23, 2015
Sun's new electro-proportional throttle with reverse flow check provides high capacity flow control in one compact cartridge solution.
Sun Cartridges with EPDM Seals
Dec 17, 2014
Cartridges for flame-retardant fluids in high-temperature applications
Protect your Hydraulic Systems with Sun Filter Cartridges
Nov 11, 2014
Sun Filter Cartridges offer Protection from Damaging Contamination.
Sun Saves Energy with LoadMatch™ Technology
Aug 24, 2014
Use just the right amount of energy to move your load.
Pilot-to-Shift Directional Valves and Proportional Throttles
Jul 18, 2014
Pilot-operated directional and proportional flow control cartridges offer multiple circuit solutions.
Pilot-Operated, Balanced Poppet Relief Valves
Jun 16, 2014
Pilot-operated, balanced poppet reliefs are fast-acting, low-leakage relief valves.
CE/TÜV Certified Pressure Relief Valves
May 01, 2014
Sun RDDT and RDFT cartridges are CE/TÜV certified relief valves in accordance with the Pressure Equipment Directive 97/23/EC (PED).
Tri-Grip Handknob Now Offered From Sun as a Standard Control Option
Dec 02, 2013
Factory Configured on Select Models
High Capacity Solenoid Valves
Jun 17, 2013
Now available: 2-way, poppet style solenoid valves for flow rates to 120 gpm (480 L/min.) with just one valve.
Sun LoadMatch™ Valves Save Energy!
May 13, 2013
Sun LoadMatch™ Valves save energy, reduce emissions and extend engine life.
Pilot-Operated, Balanced Poppet, Anti Shock Reliefs
Jan 10, 2013
Anti-shock relief cartridges offer many benefits over traditional reliefs.
Sun Offers Zinc-Nickel Plating for Corrosion Resistance
Aug 01, 2012
We've added zinc-nickel plating to our corrosion-resistant cartridge offerings.
Accumulator Sense, Pump Unload Valves
May 24, 2012
ASPU doesn't exactly roll off the tongue, does it?
'Soft' Relief Eliminates Pressure Spikes
May 24, 2012
The soft relief valve not only limits maximum pressure but also the rate of pressure rise.
Manually Operated Directional Valves
May 23, 2012
Manually operated directional valves from Sun are available in a wide variety of configurations
Series 4 PLUS Cartridges Offer Higher Flows with Lower Pressure Losses
May 23, 2012
Check valves and logic elements are now available in Sun's new Series 4 PLUS family.
Sun Expands Corrosion-Resistant Solutions
Mar 12, 2012
Sun has a corrosion-resistant solution for your needs.
Solenoid Operated Directional Valves Technical Tips
May 02, 2011
Sun publishes new technical tips on solenoid operated directional cartridges.
Electro-Proportional Basics Explained
Jul 25, 2010
Common terms used to describe electro-proportional products are defined.
Sun's Proportional Valves Enable Meter-in and Meter-out in Motion Control Circuits
Jun 06, 2010
Sun's new electro-proportional throttling valves provide versatility and superior control.
Pilot Controlled Directional Cartridges Technical Tips
May 04, 2010
Sun publishes new technical tips on pilot controlled directional cartridges.
Sequence Valves Technical Tips
Mar 08, 2010
Sun publishes new Technical Tips on Sequence Valves.
More Options for Logic Elements with Position-Indicating Switch
Feb 01, 2010
Sun has expanded the logic elements with a position-indicating switch.
Logic Element Cartridges Technical Tips
Oct 16, 2009
Sun publishes new Technical Tips on Logic Element Cartridges.
Flow Divider and Flow Divider/Combiner Technical Tips
Apr 24, 2009
Sun publishes Technical Tips on flow divider and flow divider/combiner valves.
Check Valves, Flow Control and Priority Flow Control Valves Technical Tips
Jan 07, 2009
Sun publishes new Technical Tips on check valves, flow control and priority flow control valves.
Sun’s High Flow 2-Way Solenoid Operated Valves
Oct 12, 2008
Sun offers a complete lineup of solenoid operated 2-way valves.
Pressure Relief and Regulating Cartridge Valve Technical Tips
Mar 14, 2008
The second in a series of revised and updated learning tools about Sun products.
Counterbalance/Pilot-to-Open Cartridge Valve Technical Tips
Oct 28, 2007
The first in a series of revised and updated learning tools about Sun products.
Take the Guesswork Out of Logic Circuits
Oct 02, 2002
Sun's balanced logic elements offer predictable switching.
Sun Introduces 'Hybrid' Valves
Aug 07, 2002
These 'hybrid' valves incorporate a relief and a check function into a single cartridge.