Symbol Air filter Regulator L 1 2 ACG20B ACG40B Standard Specifications Air 1.5 MPa 1.0 MPa 0.05 to 0.85 MPa Set pressure + 0.05 MPa (at relief flow rate of 0.1 L/min (ANR)) .5 to 60°C (With no freezing) 5 μm Relieving type Polycarbonate ACG20B ACG30B ACG40B Semi-standard 0.38 0.74 1.25 Standard AF20 ARG20 AF30 ARG30 AF40 ARG40 Model Component Air filter Regulator Port size Fluid Proof pressure Maximum operating pressure Regulating pressure range Relief pressure Ambient and fluid temperature Nominal filtration rating Regulator construction Bowl material Bowl guard Weight (kg) 1/8 1/4 1/4 3/8 Attachment/Option part no. Attachment/Option Part No. GB2-10AS GB2-3AS AD27 . Y200 Y200T IS10M-20 VHS20-�ｭ01, �ｭ02 ACG20B GB3-10AS GB3-3AS AD37 AD38 Y300 Y300T IS10M-30 VHS30-�ｭ02, �ｭ03 ACG30B GB4-10AS GB4-3AS AD47 AD48 Y400 Y400T IS10M-40 VHS40-�ｭ02, �ｭ03, �ｭ04 ACG40B Note 1) Contact SMC regarding pressure gauge supply for psi unit specifications. Note 2) Minimum operating pressure: 0.1 MPa for N.O. type, 0.1 MPa for N.C. type (AD27) and 0.15 MPa for N.C. type (AD37 and 47). Contact SMC for psi and °F specifications. Note 3) Separate spacers are required for modular unit. Note 4) Pressure switch cannot be mounted on the inlet and outlet sides of an ARG with an upward facing handle (semi-standard specification: -Y). Spacer Spacer with bracket Pressure switch Residual pressure relief 3 port valve (3) (3) (4) 1/4 3/8 1/2 Description Model (1) Pressure gauge Attachment (2) Float type auto drain 0 to 1.0 MPa 0 to 0.3 MPa Standard Semi-standard Normally closed Normally open Option 551 Air Combination Air Filter + Regulator Series ACG20B/30B/40B AC-A AF-A AF�ｮ-A AR-A AL-A AW-A AC AF AF�ｮ AR AL AW�ｮ A�ｮG E�ｮ AV AF