Body Size: 40, Thread: F (G), Port Size: 04 (1/2), Option: G (Size 20 25, 30, 40: Round Type Pressure Gauge w/Limit Indicator; Size 10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: V1 (3-Port Valve for Residual Pressure Release; Mounting: V+AF+AR), Semi-Standard 1: 6 (Nylon Bowl), Semi-Standard 2: Standard

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: G (Size 20 25, 30, 40: Round Type Pressure Gauge w/Limit Indicator; Size 10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: V (3-Port Valve for Residual Pressure Release; Mounting: AF+AR+V), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: F (G), Port Size: 04 (1/2), Option: G (Size 20 25, 30, 40: Round Type Pressure Gauge w/Limit Indicator; Size 10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: V (3-Port Valve for Residual Pressure Release; Mounting: AF+AR+V), Semi-Standard 1: 2J (2 + J), Semi-Standard 2: Standard

Body Size: 40, Thread: F (G), Port Size: 04 (1/2), Option: G (For Sizes 10, 20, 30, 40 Round Type Pressure Gauge w/Limit Indicator; For For Size 10: Round Type Pressure Gauge w/o Limit Indicator ), Semi-Standard 1: Standard, Semi-Standard 2: W (Drain Cock w/Barb Fitting for ø6 x ø4 Nylon Tube)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: H (Set Nut for Panel Mount), Semi-Standard 1: J (Drain Guide 1/8: Size 20; Drain Guide 1/4: Sizes 25, 30, 40), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 40, Thread: F (G), Port Size: 04 (1/2), Option: G (For Sizes 10, 20, 30, 40 Round Type Pressure Gauge w/Limit Indicator; For For Size 10: Round Type Pressure Gauge w/o Limit Indicator ), Semi-Standard 1: 8 (Metal Bowl w/Level Gauge), Semi-Standard 2: R (Flow Direction: Right to Left)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: J (Drain Guide: 1/8 for Body Size 20; 1/4 for Body Size 30 & 40), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: B (Bracket), Semi-Standard 1: J (Drain Guide: 1/8 for Body Size 20; 1/4 for Body Size 30 & 40), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F), Made to Order: X2141 (w/Element Service Indicator)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: B (Bracket), Semi-Standard 1: J (Drain Guide: 1/8 for Body Size 20; 1/4 for Body Size 30 & 40), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F), Made to Order: X2141 (w/Element Service Indicator)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: G (for Sizes 20, 25, 30, 40 Round Type Pressure Gauge w/Limit Indicator; for Size10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: SV (S + V), Semi-Standard 1: 3 (Lubricator w/Drain Cock, Exhaust Port), Semi-Standard 2: WZ (W + Z)

Body Size: 40, Thread: F (G), Port Size: 04 (1/2), Option: G (for Sizes 20, 25, 30, 40 Round Type Pressure Gauge w/Limit Indicator; for Size10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: V (3-Port Valve for Residual Pressure Release), Semi-Standard 1: Standard, Semi-Standard 2: R (Flow Direction: Right to Left)

Body Size: 40A, Thread: N (NPT), Port Size: 04 (1/2), Option: G (for Sizes 20, 25, 30, 40 Round Type Pressure Gauge w/Limit Indicator; for Size10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: S (Pressure Switch), Semi-Standard 1: 3 (Lubricator w/Drain Cock, Exhaust Port), Semi-Standard 2: RZ (R + Z)

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.

Port Size: 04 (Rc1/2), Mesh: 2-X204 (50 Mesh)