1 SPOOL DIRECTIONAL CONTROL VALVE Brand new, WOLVERINE by PRINCE WVS series monoblock directional control valves. Features cast iron construction, load check, built-in adjustable pressure relief, open center, side or top outlet port and vertical or horizontal handle mounting. Can be converted to closed center or power beyond with the addition of a power beyond sleeve. (sold seperately) Item # 9-7998-PB
Flow 14 GPM GPM max.
Pressure 4000 PSI max.
Relief Valve 2500 PSI, Adj. 2200-3200 PSI
Reqd. Filtration ISO 4406 19/ 17/ 14
In/Out Ports SAE 8
Work Ports SAE 8
Mount 3 hole base
Size 8-9/16" x 3-13/16" x 2-3/4"
Shpg. 9 lbs.
Spool Details: Spool 1 DA cylinder spool, spring to center
A: The output flow to the work port is directly proportional to the distance the spool is shifted, yes. If the flow rate is less than the valve is rated for, the effective noticed variance of flow to spool action will be reduced.
Date Submitted: 10/25/2018
As of 5-31-18, item show out of stock with more on order. When will you receive more?
A: We have incoming shipments that are overdue as well as due within the next two weeks.
Date Submitted: 06/01/2018
can this be used as a bi directional motor control?
A: It can be, as long as it's taken into account that this is a cylinder spool that will block the flow of oil to the work ports in neutral, so any high speed motor or flywheeling mass attached to the shaft of a motor will slam to a stop when the valve is centered, possibly causing damage.
Date Submitted: 06/28/2016
Is this a close center valve
A: This is an open center valve. It can be converted to closed center buy purchasing the 9-7998-PB and installing a plug in it's port.
Date Submitted: 03/17/2016
would this valve be good for control of a small homebuilt dozer motor 12 hp engine?
A: Yes to control one double acting cylinder it would be fine. The flow rating would easily handle the volume of oil.