The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

Direct Operated Precision Regulator/Modular Style (For Special Applications) - ARP20 to - ARP40 Direct Operated Precision Regulator with Backflow Function/Modular Style (For Special Applications) - ARP20K to - ARP40K 10 20 21 10 20 21 10 20 21 10 20 21

specifications Model P1 P2 A B Note 1) C D F J K ARP20(K) ARP30(K) ARP40(K) 28.5 Note 2) 1/8, 1/4 1/8 40 98 27 28.5 M28 x 1 2 1/4, 3/8 1/8 53 117 29 29.5 M38 x 1.5 29.5 2.5 1/4, 3/8, 1/2 1/4 70 148 41 34 M42 x 1.5 34 1 Optional specifications Square embedded type pressure gauge Digital pressure switch Round type pressure gauge Note 3) Bracket mount dimension Panel mount Model Z ARP20(K)