Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: M (Round Type Pressure Gauge w/Color Zone), Attachment: Standard, Semi-Standard 1: 1C (1 + C), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: M (Round Type Pressure Gauge w/Color Zone), Attachment: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), 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: Standard, Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Unit: Z [Product: psi, °C; Pressure Gauge: psi (and MPa)]

Mechanism: Relieving Type, Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Unit: Z [Product: psi, °C; Pressure Gauge: psi (and MPa)]

Mechanism: Relieving Type, Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Unit: Z [Product: psi, °C; Pressure Gauge: psi (and MPa)]

, Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Unit: Z [Product: psi, °C; Pressure Gauge: psi (and MPa)]

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 02 (1/4), Option: Standard, Attachment: S (Pressure Switch), Semi-Standard 1: Standard, Semi-Standard 2: Standard

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 01 (1/8), Option: Standard, Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: R (Flow Direction: Right to Left)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: Standard, Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: NRZ (N + R + Z)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: Standard, Attachment: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 02 (1/4), Option: C (N.C. Float Type Auto Drain), Attachment: Standard, Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: NR (N + R)

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 01 (1/8), 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: Standard

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 02 (1/4), Option: CG (C + G), Attachment: SV (S + V), Semi-Standard 1: Standard, Semi-Standard 2: Standard

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), 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: Standard, Semi-Standard 1: Standard, Semi-Standard 2: NRZ (N + R + Z)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), 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: Standard, Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: NZ (N + Z)

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 02 (1/4), Option: CG (C + G), Attachment: Standard, Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: N (Non-Relieving Exhaust Mechanism)

Guard), Air Filter Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Unit: Z [Product: psi, °C; Pressure Gauge: psi (and MPa)]

Air Filter Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Drain Cock w/Barb Fitting: None, Pressure Unit: Z [Product: psi, °C; Pressure Gauge: psi (and MPa)]

Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Drain Cock w/Barb Fitting: None, Pressure Unit: Z [Product: psi, °C; Pressure Gauge: psi (and MPa)]