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. 

Special Applications: Clean Series, Body Size: 20, Reverse Flow: No, Thread: Rc, Port Size: 01 [1/8 (Size 20)], Accessory, Not Attached: H [Set Nut for Panel Mount (Size 20 to 40)], Option: None

Special Applications: Clean Room Compliant, Size: 20, Backflow Function: Backflow Function, Thread: Rc, Port Size: 1/8, Accessory: Set Nut for Panel Mount, Specifications: Upward Facing Knob, Pressure Unit: -

Special Applications: 10-AR (Clean Series), Body Size: 20, Reverse Flow: No, Thread: Rc, Port Size: 01 [1/8 (Size 20)], Accessory, Not Attached: H [Set Nut for Panel Mount (Size 20 to 40)], Option: None

Special Applications: 10- (Clean Room Compliant), Size: 20, Backflow Function: K (Backflow Function), Thread: Rc, Port Size: 01 (1/8), Accessory: H (Set Nut for Panel Mount), Specifications: Y (Upward Facing Knob)

Special Applications: 10- (Clean Room Compliant), Size: 20, Backflow Function: None, Thread: Rc, Port Size: 01 (1/8), Accessory: BE3 (B+E3)

Special Applications: 10- (Clean Room Compliant), Size: 20, Backflow Function: None, Thread: Rc, Port Size: 01 (1/8), Accessory: BG (B+G)

Special Applications: Clean Room Compliant, Size: 20, Backflow Function: None, Thread: Rc, Port Size: 1/8, Accessory: B+E3, Specifications: -, Pressure Unit: -

Special Applications: Clean Room Compliant, Size: 20, Backflow Function: None, Thread: Rc, Port Size: 1/8, Accessory: B+G, Specifications: -, Pressure Unit: -

Special Applications: 10- (Clean Room Compliant), Size: 20, Backflow Function: None, Thread: Rc, Port Size: 01 (1/8), Accessory: G [Round Pressure Gauge ("20-" Type Includes Limit Indicator)]

Special Applications: 10- (Clean Room Compliant), Size: 20, Backflow Function: None, Thread: Rc, Port Size: 01 (1/8), Accessory: E3 (PNP Output, Electrical Entry: Wiring Bottom Entry)

Special Applications: 10- (Clean Room Compliant), Size: 20, Backflow Function: None, Thread: F (G), Port Size: 01 (1/8), Accessory: G [Round Pressure Gauge ("20-" Type Includes Limit Indicator)]