Controller Mounting: D (DIN Rail Mouting), Cable Length: 1 (1 m), Inlet Port Silencer: B (ANB1-01, 55 dB), Digital Pressure Switch: P (ISE20A-Y-01-J-X603), Exhaust Check Valve: K (AKH06-00, for 6mm tubing), Exhaust Solenoid Valve: V (V124-5LU-M5)
Stations: 04 (4 Stations), Piping: D (U Side: Closed; D Side: Open), Thread Type: N (NPT), Supply Unit Components: W (w/Flow Adj. Valve; w/Stop Valve), Return Unit Flow Range: 04 (0.5 to 4 L/min), Supply/Return Port Size: 03 (3/8)
Stations: 04 (4 Stations), Piping: D (U Side: Closed; D Side: Open), Thread Type: N (NPT), Supply Unit Components: S (w/Flow Adj. Valve; Stop Valve: None), Return Unit Flow Range: 40 (5 to 40 L/min), Supply/Return Port Size: 04 (1/2)
Stations: 04 (4 Stations), Piping: B (U Side: Open; D Side: Open), Thread Type: N (NPT), Supply Unit Components: P (w/o Flow Adj. Valve; w/Stop Valve), Return Unit Flow Range: 40 (5 to 40 L/min), Supply/Return Port Size: 04 (1/2)
Stations: 04 (4 Stations), Piping: D (U Side: Closed; D Side: Open), Thread Type: N (NPT), Supply Unit Components: W (w/Flow Adj. Valve; w/Stop Valve), Return Unit Flow Range: 40 (5 to 40 L/min), Supply/Return Port Size: 04 (1/2)
Stations: 04 (4 Stations), Piping: U (U Side: Open; D Side: Closed), Thread Type: N (NPT), Supply Unit Components: W (w/Flow Adj. Valve; w/Stop Valve), Return Unit Flow Range: 40 (5 to 40 L/min), Supply/Return Port Size: 04 (1/2)
Stations: 04 (4 Stations), Piping: D (U Side: Closed; D Side: Open), Thread Type: N (NPT), Supply Unit Components: P (w/o Flow Adj. Valve; w/Stop Valve), Return Unit Flow Range: 40 (5 to 40 L/min), Supply/Return Port Size: 04 (1/2)
However, you may want to consider the HEP500-04 series ejector type liquid collector. The HEP500-04 series catalog can be found here.
Stations: 04 (4 Stations), Piping: B (U Side: Open; D Side: Open), Thread Type: N (NPT), Supply Unit Components: S (w/Flow Adj. Valve; Stop Valve: None), Return Unit Flow Range: 20 (2 to 16 L/min), Supply/Return Port Size: 04 (1/2)
M3 Port size With One-touch fitting AS M3 x 0.5 M5 x 0.8 10-32 UNF 1/8 1/4 3/8 1/2 M5 Thread type U10/32 01 02 03 04 ASP R Unified thread (10-32 UNF) Metric thread (M3, M5) Nil ASN N NPT AQ ASV Needle Valve/Flow Characteristics AK AS1201F-M5, AS1211F-M5 AS1301F-M5, AS1311F-M5 AS2201F-01, AS2211F-01 AS2301F-01, AS2311F-01 AS1201F-M3, AS1211F-M3 AS1301F-M3, AS1311F-M3 ASS Inlet pressure: 0.5
Model: 3, Stations: 08, A, B Port: 01 (1/8)
Set Pressure: 0 (0.005MPa~0.2MPa), Port Size: 01 (Rc1/8)
Set Pressure: 1 (0.01MPa~0.4MPa), Port Size: 01 (Rc1/8)
Model: 01 (Single Acting), Thread: Rc(PT), Accessory: B (Bracket)
Model: 01 (Single Acting), Thread: N (NPT), Accessory: B (Bracket)
Display Pressure: 10 (1.0MPa), Connection Thread: 01 (R 1/8)
Display Pressure: 4 (0.4MPa), Connection Thread: 01 (R 1/8)
Display Pressure: 2 (0.2MPa), Connection Thread: 01 (R 1/8)
Display Pressure: 6 (0.6MPa), Connection Thread: 01 (R 1/8)
Display Pressure: 7 (0.7MPa), Connection Thread: 01 (R 1/8)