Electric single seat control valve, widely used in industrial automation and control applications of fluid regulation. 
 Main features: 
 1, only one spool valve body and valve seat, the leakage is small, but the unbalanced force, which allows more seat pressure regulating valves. 
 2, nominal diameter DN ≥ 25 of the plunger-type valve for dual-oriented, DN = 20 of the spool as a single-oriented plunger. 
 Optional LPS Series, 9610L series of straight travel electric actuator, control a digital, electronic, switch mode.