Body Size: 4000, Port Thread: N (NPT), Port Size: 04 (1/2), Option: B (w/Bracket), Flow Direction, Pressure Unit: Z (Name Plate and Pressure Gauge in Imperial Units)

Adapter Material: Brass, Standard, Pad Diameter: ø10, Pad Type: B (Bellows), Pad Material: N (NBR), Mounting Thread Size: A12 (M12 x 1, Male Thread), Vacuum Inlet: 04 (ø4 Tubing)

Adapter Material: Brass, Standard, Pad Diameter: ø13, Pad Type: B (Bellows), Pad Material: N (NBR), Mounting Thread Size: A12 (M12 x 1, Male Thread), Vacuum Inlet: 04 (ø4 Tubing)

Adapter Material: Brass, Standard, Pad Diameter: ø16, Pad Type: B (Bellows), Pad Material: N (NBR), Mounting Thread Size: A12 (M12 x 1, Male Thread), Vacuum Inlet: 04 (ø4 Tubing)

Adapter Material: Brass, Standard, Pad Diameter: ø6, Pad Type: B (Bellows), Pad Material: N (NBR), Mounting Thread Size: A10 (M10 x 1, Male Thread), Vacuum Inlet: 04 (ø4 Tubing)

Adapter Material: Brass, Standard, Pad Diameter: ø8, Pad Type: B (Bellows), Pad Material: N (NBR), Mounting Thread Size: A10 (M10 x 1, Male Thread), Vacuum Inlet: 04 (ø4 Tubing)

Size: 5 (Body Ported), Operation: 1 (Solenoid Style), Port Size: 04 (1/2), Thread: N (NPT), Voltage: Air Operated, Lead Wire: Air Operated, Surge Suppressor: None, Option: B (Bracket)

Size: 50 (Body Ported), Operation: 0 (Air Operated Style), Port Size: 04 (1/2), Thread: N (NPT), Voltage: Air Operated, Lead Wire: None, Surge Suppressor: None, Option: B (Bracket)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Handle/Bonnet Material: B (Aluminum), Options: None, Semi-Standard: KZ (K + Z), Made to Order: X1 (Body: Red)

Body Size: 450C [78SCFM (2,200l/Min)], Thread: N (NPT), Port Size: 04 (1/2), Accessory: B (Bracket), Auto Drain: Drain Cock w/o Auto Drain, Rubber Material: F (Fluororubber)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Handle/Bonnet Material: B (Aluminum), Options: S (Built-in Silencer, EXH Port), Semi-Standard: KRZ (K + R + Z)

Pilot: Internal Pilot, Voltage: 5 (24VDC), Lead Wire: D (DIN Connector), Surge Suppressor: Z (Light & Surge Suppressor), Port Size: 04 (1/2), Thread: N (NPT), Passage: B (Normally Open)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: BD (B + D), Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: BG (B + G), Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: WZ (W + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: B (Bracket), Semi-Standard 1: R (Flow Direction Right to Left), Semi-Standard 2: WZ (W + Z)

Size: 40 (1/2), Reverse Flow Function: K (Regulator w/Backflow Mechanism), Thread: N (NPT), Port Size: 04 (1/2), Accessory 1: B (Bracket), Pressure Gauge Angle: G1 (0°), Accessory 2: None, Option: 1Z (0.02~0.2MPa Setting+NamePlate & Gauge w/PSI), B: B

Size: 40 (1/2), Reverse Flow Function: K (Regulator w/Backflow Mechanism), Thread: N (NPT), Port Size: 04 (1/2), Accessory 1: B (Bracket), Pressure Gauge Angle: G1 (0°), Accessory 2: None, Option: NZ (Non-relieving+ Name Plate & Gauge w/PSI), B: B

Size: 40 (1/2), Reverse Flow Function: K (Regulator w/Backflow Mechanism), Thread: N (NPT), Port Size: 04 (1/2), Accessory 1: B (Bracket), Pressure Gauge Angle: G2 (90°), Accessory 2: None, Option: NZ (Non-relieving+ Name Plate & Gauge w/PSI), B: B

Size: 4 (40), Valve Type: 1 (Normally Closed), Body Material: C (Brass), Seal Material: N (NBR), Port Size: 04 (Thread; 1/2), Thread Type: N (NPT), Rated Voltage: B (24 VAC), Electrical Entry: CS (Conduit, w/Surge Voltage Suppressor)

Cost effective and clean looking, series AR regulators offer various pressure range settings to accommodate most applications. The locking adjustment knob prevents accidental setting changes. The modular design of the AR series connects with other SMC air preparation equipment.Modular type regulator, Optional embedded pressure gauge , Available with built-in backflow mechanism , Knob is