Frequently Asked Questions

Should I replace the pilot-to-open check valve if my cylinder is drifting or moving?
The LH*A looks like just the valve I need to pressure compensate my load-sense whatever. Will it work?
The supply voltage range for the XMD Driver is 9-32VDC. Can I drive a 24V coil with a 12V supply, or a 12V coil with a 24V supply?
Vented pilot-to-open check valves are insensitive to pressure on the valve port (port 2), aren't they?
What are the shock and vibration levels the 740 coils are capable of withstanding?
What do I need to know about applying sequence valves?
What do you mean by hysteresis when referring to a counterbalance valve?
What do you mean by maximum differential?
What do you mean by the setting of a counterbalance valve and what should it be?
What does pilot ratio refer to in a pilot-to-open check valve?
What ever happened to the Delrin seated valves?
What happens if I block the control flow (priority) port?
What happens to the counterbalance valve if I have backpressure in my system?
What happens to the pilot-to-open check valve if I have back pressure in my system?
What is the actual pilot ratio of Sun's pilot to open check valves?
What is the compensating pressure of Sun's flow controls?
What is the difference between nominal and maximum flow capacity?
What is the difference between pilot-to-open check valves with sealed pilots compared to standard bleed through versions?
What is the flow performance limit of DF** FLeX cartridges?
What is the flow performance limit of pilot-operated FLeX cartridges?