Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: GH (G + H), Semi-Standard: RZ (R + Z)

Body Size: 30, Thread: N (NPT), Port: 03 (3/8), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: Standard, Semi-Standard 1: 8 (Metal Bowl w/Level Gauge), Semi-Standard 2: RZ (R + Z)

Body Size: 50, Thread: N (NPT), Port Size: 10 (1), Mounting: None, Semi-Standard, Body Size 10: 2 (Metal Bowl), Semi-Standard, Body Size 20: 3 (Drain Cock), Semi-Standard, Body Size 30, 40, 50 & 60: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port Size: 02 (1/4), Option: w/o Mounting Option, w/o Pressure Gauge, Semi-Standard: RZ (R + Z)

Body Size: 50, Thread: N (NPT), Port: 06 (3/4), Option: DG (D + G), Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port Size: 06 (3/4), Option: CG (C + G), Attachment: V (3-Port Valve for Residual Pressure Release), Semi-Standard 1: 8 (Metal Bowl with Level Gauge), Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: Standard, 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: 30, Thread: N (NPT), Port: 03 (3/8), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: Standard, Semi-Standard 1: 8 (Metal Bowl w/Level Gauge), Semi-Standard 2: RZ (R + Z)

Body Size: 30, Thread: N (NPT), Port: 03 (3/8), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

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: Standard, Semi-Standard 1: 3 (Lubricator w/Drain Cock, Exhaust Port), Semi-Standard 2: RZ (R + Z)

Float Type Auto Drain), Attachment: SV (S + V), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Float Type Auto Drain), Attachment: S (Pressure Switch), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: CG (C + G), Attachment: SV1 (S + V1), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 30, Thread: N (NPT), Port: 03 (3/8), Option: DE (D + E), Attachment: SV1 (S + V1), Semi-Standard 1: 8 (Metal Bowl w/Level Gauge), Semi-Standard 2: RZ (R + Z)

Body Size: 50, Thread: N (NPT), Port: 06 (3/4), Option: Standard, Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: HM (H + M), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

This is a legacy product, and replaced byAW20-N01CEH-RZ-D

Body Size: 40, Thread: N (NPT), Port: 06 (3/4), Option: DG (D + G), Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Float Type Auto Drain), Attachment: Standard, Semi-Standard 1: 3 (Lubricator w/Drain Cock, Exhaust Port), Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port Size: 03 (3/8), Option: DG (D + G), Attachment: TV (T + V), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)