Pneumatic Instrumentation

3 and 4 Way Valves

4057/4457 3 way valve

4057 / 4457 Manual & Pilot Operated 3-Way Pilot Valves

Body material: 4057 Precision cast aluminum
  4457 Stainless steel
Standard spool material: Anodized aluminum
Standard seal material: Viton  
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

See datasheet for complete specifications

4058

4058/4458 Manual & Pilot Operated 4-Way Valves

Body material: 4058 Precision cast aluminum
  4458 316 stainless steel
Standard spool material: Anodized aluminum
Standard seal material: Viton  
Max. temperature: 120°C 248°F
Flow coefficient: Kv = 1.0 Cv = 1.2
Max. pressure at Port C: 860 kPa 125 psi

See datasheet for complete specifications