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. 

This is a legacy product. Please contact us for the latest version.sales@ocaire.com, PRECISION REGULATOR, MODULAR, AIRLINE EQUIPMENT, ARP PRECISION REGULATOR, DC, ARP 1/4 INCH, .88184 lb

Special Applications: Clean Series, Body Size: 20, Reverse Flow: No, Thread: NPT, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: GH [G+H (Size 20 to 40)], Option: R+Z

Special Applications: Clean Series, Body Size: 20, Reverse Flow: No, Thread: NPT, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: GH [G+H (Size 20 to 40)], Option: N+Z

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: H (Set Nut for Panel Mount)

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: Set Nut for Panel Mount, 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)]

Size: 30, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: GH (G+H), Specifications: 0.005 to 0.4MPa Setting, Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 1/2, Reverse Flow: Regulator w/Backflow Mechanism, Thread: NPT, Port Size: 1/4, Accessory: G+H, Option 1: None, Option 2: Name Plate & Pressure Gauge in Imperial Units, PSI, °F

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: NPT, Port Size: 1/4, Accessory: G+H, Option 1: None, Option 2: Name Plate & Pressure Gauge in Imperial Units, PSI, °F

Size: 1/8, Reverse Flow: Regulator w/Backflow Mechanism, Thread: NPT, Port Size: 1/4, Accessory: G+H, Option 1: None, Option 2: Name Plate & Pressure Gauge in Imperial Units, PSI, °F

Size: 3/8, Reverse Flow: Regulator, Standard, Thread: NPT, Port Size: 1/4, Accessory: G+H, Option 1: None, Option 2: Name Plate & Pressure Gauge in Imperial Units, PSI, °F

Size: 1/2, Reverse Flow: Regulator, Standard, Thread: NPT, Port Size: 1/4, Accessory: G+H, Option 1: None, Option 2: Name Plate & Pressure Gauge in Imperial Units, PSI, °F