Frequently Asked Questions
Can I adjust a counterbalance valve in the field?
Can I back flow through a reducing valve from port 1 to port 2?
Can I control the motion of a load with a pilot-to-open check valve?
Can I synchronize two cylinders with Sun's divider-combiner?
Can I use a flow fuse to prevent the loss of oil?
Can I use a flow fuse to provide fire protection?
Can I use a kick-down relief for my system relief?
Can I use a three-port vented pilot-to-open check valve instead of the four-port version to save on plumbing?
Can I use an atmospherically vented counterbalance valve instead of the four-port version to save on plumbing?
Can I use pilot-to-open check valves with paired cylinders?
Can the XMD Series drivers be used to control non-FLeX coils or non-Sun coils?
Direct acting or pilot operated - what do I use?
Do FLeX valves utilize a floating nose design?
Does the +5V reference need to be used when using a resistive input option on the XMD Driver?
Does the XMD Driver have an internal TVS Diode? Is a coil with or without diode recommended for use with the XMD?
Every time I try to lower my load the flow fuse trips. What's wrong?
How accurate are Sun's flow controls?
How big do my slip orifices have to be?
How big is a drop of hydraulic oil?  
How can I assemble a stack of sandwiches and keep it dry?