Body Size: 40, Back Flow: K (w/Backflow), Thread: N (NPT), Port Size: 04 (1/2), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi, °C; Pressure Gauge

Body Size: 40, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 04 (1/2), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi, °C; Pressure Gauge:

Special Applications: 21- (Clean-room, Copper-free, Fluorine-free, Silicon-free), Size: 40, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Accessory: None, Specifications: R (Flow Direction: Right to Left), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Body Size: 3, Set Pressure: 1 (1.5 to 58 psi [0.01 to 0.4 MPa]), Exhaust Direction: 2 (Rear Exhaust), Thread: N (NPT), Port Size: 04 (1/2), Option: None, Semi-standard: RZ (Flow Direction: Right to Left + Name Plate & Pressure Gauge in Imperial Units: psi)

Body Size: 3, Set Pressure: 2 (1.5 to 116 psi [0.01 to 0.8 MPa]), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 04 (1/2), Option: None, Semi-standard: RZ (Flow Direction: Right to Left + Name Plate & Pressure Gauge in Imperial Units: psi)

Body Size: 3, Set Pressure: 0 (Body Size 1, 2: 0.73 to 29 psi [0.005 to 0.2 MPa]; Body Size 3: 1.5 to 29 psi [0.01 to 0.2 MPa]), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 04 (1/2), Option: None, Semi-standard: RZ (Flow Direction: Right to Left + Name Plate & Pressure Gauge in Imperial Units: psi)

Body Size: 40, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Knob: Downward, Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: Standard, Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: Standard, Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: R (Flow Direction Right to Left), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Model: 520 (2.0 to 16.0 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), I/O Specifications: A3 (IN1: 0-10 VDC, IN2: External Control Input, OUT1: 0-10 VDC), Lead Wire: C (Lead Wire with M12 connector, 3m, Bracket: R (with Bracket), Operation Manual: Z (with Operation Manual)

Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: Standard, Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: Standard, Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: Standard, Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Size: 1/2, Reverse Flow: Regulator w/Backflow Mechanism, Thread: NPT, Port Size: 1/2, Accessory: None, Option 1: None, Option 2: R+Z, Made to Order: For High Pressure

Size: 1/2, Reverse Flow: Regulator, Standard, Thread: NPT, Port Size: 1/2, Accessory: None, Option 1: None, Option 2: R+Z, Made to Order: For High Pressure

Size: 1/2, Thread: NPT, Port Size: 1/2, Accessory: None, Attachment: T Spacer, Option 1: None, Option 2: Flow Direction: Right->Left, Option 3: Name Plate, Caution Plate for Bowl, and Pressure Gauge: PSI, °F

Size: 1/2, Thread: NPT, Port Size: 1/2, Accessory: None, Attachment: Check Valve, Option 1: None, Option 2: Flow Direction: Right->Left, Option 3: Name Plate, Caution Plate for Bowl, and Pressure Gauge: PSI, °F

Size: 1/2, Thread: NPT, Port Size: 1/2, Accessory: None, Attachment: Residual Pressure Relief 3 Port Valve, Option 1: None, Option 2: Flow Direction: Right->Left, Option 3: Name Plate, Caution Plate for Bowl, and Pressure Gauge: PSI, °F

Size: 1/2, Thread: NPT, Port Size: 1/2, Accessory: None, Attachment: Check Valve, Option 1: None, Option 2: Flow Direction: Right->Left, Option 3: Name Plate, Caution on Bowl