Symbol MPa KCOLto HSUP MPa KCOLto HSUP MPa KCOLto HSUP MPa KCOLto HSUP IN OUT IN OUT IN OUT IN OUT L 1 2 2 L 2 1 12 10 3 1 L 1 2 AWG20K AWG40K AWG 30 K 03 Filter regulator with back flow mechanism With backflow function Symbol Mounting angle Mounting angle view 0° 90° 180° 270° G1 G2 G3 G4 Mounting Angle of Pressure Gauge . Possible to change to the optional mounting angles. For details, refer to page 584, “Procedure for replacing or changing the mounting angle of a pressure gauge”. G1 How to Order Body size Symbol 20 30 40 Port size 1/8 3/8 1/2 Thread type Note 1) Drain guide: NPT 1/8 (AWG20K), NPT 1/4 (AWG30K to AWG40K); Auto drain port: With o3/8" One-touch fitting (AWG30K to AWG40K) Note 2) Drain guide: G 1/8 (AWG20K), G 1/4 (AWG30K to AWG40K) Symbol Nil N F Type Rc NPT G (1) (2) Port size Symbol 01 02 03 04 Port size 1/8 1/4 3/8 1/2 20 �� �� . . 30 . �� �� . 40 . �� �� �� Body size . When more than one specification is required, indicate in ascending alphanumeric order. Note 3) Adjusting spring and pressure gauge (full-span 0.3 MPa) are different from those for the standard specification. All products can be set at 0.2 MPa or more. Note 4) Without a valve function. Note 5) For thread type NPT. This product is for overseas use only according to the new Measurement Law. (The SI unit type is provided for use in Japan.) Semi-standard Description . 0.02 to 0.2 MPa setting Metal bowl Nylon bowl Metal bowl with level gauge With bowl guard With drain guide Non-relieving Drain cock with barb fitting: o6 x o4 nylon tubing Name plate, caution plate for bowl, and pressure gauge in imperial units (psi, °F) Symbol Nil 1 2 6 8 C J N W Z Applicable model . AWG20K to 40K AWG20K to 40K AWG20K to 40K AWG30K, 40K AWG20K AWG20K to 40K AWG20K to 40K AWG30K, 40K AWG20K to 40K (3) (4) (5) Option (2) Symbol Nil H Description . With set nuts Applicable model . AWG20K to 40K When more than one specification is required, indicate in ascending alphanumeric order. Option (1) Symbol Nil B C D Description . With bracket (With set nuts) Float type auto drain (Normally closed) Float type auto drain (Normally open) Applicable model . AWG20K to 40K AWG20K to 40K AWG30K, 40K Application example of a filter regulator with a backflow function When the air supply is cut off and releasing the inlet pressure to the atmosphere, the residual pressure release of the outlet side can be ensured for a safety purpose. Option/Semi-standard Combinations Option/Semi-standard specifications Combination With bracket Float type auto drain (N.C.) Float type auto drain (N.O.) With set nut 0.02 to 0.2 MPa setting Metal bowl Nylon bowl Metal bowl with level gauge With bowl guard With drain guide Non-relieving type Drain cock with barb fitting Option Semi-standard Applicable filter regulator B C D H -1 -2 -6 -8 -C -J -N -W -Z B C D H 1 2 6 8 C J N W Z AWG20K AWG30K/40K Name plate, caution plate for bowl, and pressure gauge in imperial units (psi, °F) Symbol Semi-standard Option : Combination available : Varies depending on a model : Combination not available : Available only with NPT thread Made to Order (Refer to page 583 for details.) Symbol X406 Specifications Setting and pressure gauge full span 0.4 MPa 578 Filter Regulator with Built-in Pressure Gauge with Backflow Function Series AWG20K/30K/40K