Body Size: 40 (1/2), Port Thread: N (NPT), Port Size: 04 (1/2, AVL4000), Option: No Gauge, Voltage: Manual Lockout, Electrical Entry: Manual Lockout, Air Direction: R (Right to Left), Button Color: X238 (Black, Manual Model)

Body Size: 4000, Thread: N (NPT), Port Size: 04 (1/2), Option: None, Voltage: 5 (24 VDC), Lead Wire: DO (Type D, DIN Terminal w/o Connector), Surge Suppressor: None, Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: Flow Direction: Left to Right

Body Size: 4000, Thread: N (NPT), Port Size: 04 (1/2), Option: None, Voltage: 5 (24 VDC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: None, Manual Override: C (Push-turn Locking Lever Type), Flow Direction/Pressure Unit: Flow Direction: Left to Right

Body Size: 4000, Thread: N (NPT), Port Size: 04 (1/2), Option: None, Voltage: 5 (24 VDC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: Z (with Light/Surge Voltage Suppressor), Manual Override: C (Push-turn Locking Lever Type), Flow Direction/Pressure Unit: Flow Direction: Left to Right

Size: 4 (1/2 Basis), Style: 2 (Elbow), Control Method: 0 (Meter-out), Thread: N (NPT), Port Size: 04 (1/2), Option: SN (Sealant + Nickel Plated), Lock Nut: J (Round)

Size: 4 (1/2 Basis), Style: 2 (Elbow), Control Method: 0 (Meter-out), Thread: N (NPT), Port Size: 04 (1/2), Option: N (Nickel Plated), Lock Nut: J (Round)

Size: 4 (1/2 Basis), Style: 2 (Elbow), Control Method: 0 (Meter-out), Thread: N (NPT), Port Size: 04 (1/2), Option: S (Sealant), Lock Nut: J (Round)

Size: 4 (1/2 Basis), Style: 2 (Elbow), Control Method: 1 (Meter-in), Thread: N (NPT), Port Size: 04 (1/2), Option: S (Sealant), Lock Nut: J (Round)

AS: AS, Body Size: 4 (1/2 Basis), Style: 2 (Elbow), Control Method: 0 (Meter-out), Thread: N (NPT), Port Size: 04 (1/2), Applicable Tube OD: 13 (1/2"), Option: None, Lock Nut: J (Round)

AS: AS, Body Size: 4 (1/2 Basis), Style: 2 (Elbow), Control Method: 0 (Meter-out), Thread: N (NPT), Port Size: 04 (1/2), Applicable Tube OD: 11 (3/8"), Option: S (Sealant), Lock Nut: J (Round)

AS: AS, Body Size: 4 (1/2 Basis), Style: 2 (Elbow), Control Method: 0 (Meter-out), Thread: N (NPT), Port Size: 04 (1/2), Applicable Tube OD: 13 (1/2"), Option: S (Sealant), Lock Nut: J (Round)

AS: AS, Body Size: 4 (1/2 Basis), Style: 2 (Elbow), Control Method: 0 (Meter-out), Thread: N (NPT), Port Size: 04 (1/2), Applicable Tube OD: 11 (3/8"), Option: None, Lock Nut: J (Round)

Body Size: 6 (1/2 Basis), Thread: N (NPT), Port Size: 04 (1/2), Applicable Tube OD: 11 (Ø3/8"), Sealant: S (Sealant), Lock Nut: J (Round)

Body Size: 6 (1/2 Basis), Thread: N (NPT), Port Size: 04 (1/2), Applicable Tube OD: 11 (3/8"), Sealant: S (Sealant), Lock Nut: J (Round)

Thread: N (NPT), Port Size: 04 (1/2), Option: S (Sealant), Lock Nut: J (Round)

Size: 5 (3/8 Basis), Style: 1 (Union Tee), Thread: N (NPT), Port Size: 04 (R1/2), Tube Size: 11 (3/8"), Sealant: S [Sealant (01,02,03,04)], Option: None, Made to Order: None, Lock Nut: J (Round)

Size: 5 (3/8 Basis), Style: 1 (Union Tee), Thread: N (NPT), Port Size: 04 (R1/2), Tube Size: 13 (1/2"), Sealant: S [Sealant (01,02,03,04)], Option: None, Made to Order: None, Lock Nut: J (Round)

Applications: 6 (0.05~0.70MPa Operating Pressure Range), Thread: N (NPT), Port Size: 04 (1/2), Accessory: w/o Accessory, Option: 1S-1 (1000cm3 Tank w/Switch Lower Limit ON)

Applications: 6 (0.05~0.70MPa Operating Pressure Range), Thread: N (NPT), Port Size: 04 (1/2), Accessory: w/o Accessory, Option: 1S-2 (1000cm3 Tank w/Switch Lower Limit OFF)

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: D (OUT1: NPN; OUT2: Analog 4 to 20mA), Temperature Sensor: None, Lead Wire: N (w/o Lead Wire w/M8 Connector), Unit Specification: M (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C)