Size: 1/8, Thread: NPT, Port Size: 1/4, Accessory: Square Embedded Type Pressure Gauge, w/Limit Indicator, Attachment: None, Option 1: Lubricator w/Drain Cock, Option 2: C+R, Option 3: Name Plate, Caution on Bowl

Size: 1/8, Thread: NPT, Port Size: 1/4, Accessory: Square Embedded Type Pressure Gauge, w/Limit Indicator, Attachment: None, Option 1: Lubricator w/Drain Cock, Option 2: C [Bowl Guard (Size 2000 Only)], Option 3: Name Plate, Caution on Bowl

Size: 1/8, Thread: NPT, Port Size: 1/4, Accessory: Square Embedded Type Pressure Gauge, w/Limit Indicator, Attachment: None, Option 1: None, Option 2: C [Bowl Guard (Size 2000 Only)], Option 3: Name Plate, Caution on Bowl

The ARP20/30/40 series is available with a back flow function that exhaust, Precision Regulator, REGULATOR, PRECISION, 0.5 lb

The ARP20/30/40 series is available with a back flow function that exhaust, Precision Regulator, REGULATOR, PRECISION, 0.2 lb

The ARP20/30/40 series is available with a back flow function that exhaust, Precision Regulator, REGULATOR, PRECISION, 0.3 lb

The ARP20/30/40 series is available with a back flow function that exhaust, Precision Regulator, REGULATOR, PRECISION, 0.3 lb

The ARP20/30/40 series is available with a back flow function that exhaust, DIRECT OPERATED PRECISION REGULATOR, REGULATOR, PRECISION, FVD, 247.5 lb

The ARP20/30/40 series is available with a back flow function that exhaust, PRECISION REGULATOR, CLEAN ROOM, REGULATOR, PRECISION, 0.2 lb

The ARP20/30/40 series is available with a back flow function that exhaust, DIRECT OPERATED PRECISION REGULATOR, REGULATOR, PRECISION, 0.2 lb

Size: 30, Backflow Function: None, Thread: N (NPT), Port Size: 03 (3/8), Accessory: BE1 (B+E1), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: None, Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: B (Bracket), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Accessory: BE (B+E), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Accessory: EH (E+H), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Accessory: H (Set Nut for Panel Mount), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 30, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: BE2 (B+E2), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 30, Backflow Function: None, Thread: N (NPT), Port Size: 03 (3/8), Accessory: None, Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 30, Backflow Function: None, Thread: N (NPT), Port Size: 03 (3/8), Accessory: B (Bracket), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 30, Backflow Function: None, Thread: N (NPT), Port Size: 03 (3/8), Accessory: BE (B+E), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)