Back To Top
AMOT 4057 3-Way Pilot Valve
AMOT Models 4057 and 4457 3-way valves have been developed for use in manual and automatic hydraulic or pneumatic control systems.
They offer versatility in operating requirements and allowable pressure limits. For a 1/4” size control valve, they offer exceptional flow capacity.

Note: This product replaces model 4459.
AMOT 4057 3-Way Pilot Valve Seal


Body material:
4057 Precision cast aluminum
4457 Stainless steel
Standard spool material:
Anodized aluminum
Standard seal material:
Max. pressure at Ports 1,2 or 3:
860 kPa 125 psi
Max. pressure at Ports A or B:
1034 kPa 150psi
Max. pressure at Port C:
860 kPa 125 psi


  • Balanced force design pressure
  • Can be applied to any port center dead spot-std
  • Port overlap-optional
  • Arranged for panel or bracket mounting
  • Available in Aluminum or 316 Stainless Steel