5/2 spool valve - it can be used as 3/2 or 2/2 by plugging the unused ports
G1/4" threaded ports
With or without protection cover
Mono-stable and bi-stable
Version with microvalve and with progressive flow rate
Materials：
Body:aluminium 11S
Springs:stainless steel
Seals:NBR
Spool:nickel plated aluminium
Internal parts:brass OT58
Protection cover:shock resistant plastic material
