Model no.: 4v220-08 Connection form: thread Material: aluminum Valve structure: direct-acting piston structure Usage: flow control Application: industrial usage, household usage Operation type: inside pilot type Position and way number: two/three position five way Proof pressure: 1.2mpa(174psi) Port size: air inlet=air outlet=exhaust=g1/8 Shortest excitation time: 0.05 second Transport package: in cartons, plywood cases, pallets Actuator: pneumatic Type: direct acting Standard: gb Fluid medium: 40 micron filtered air Working pressure: 0.15--0.8mpa(21--114psi) Working temperature: 5--50 degree celsius Highest action frequency: 5 cycles/second