Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: CG (C + G), Attachment: S (Pressure Switch), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: Standard, Attachment: S (Pressure Switch), Semi-Standard 1: 6C (6 + C), Semi-Standard 2: RZ (R + Z)

Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: DG (D + G), Attachment: S (Pressure Switch), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 40A, Thread: N (NPT), Port Size: 06 (3/4), Option: CM (C + M), Attachment: S (Pressure Switch), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 40A, Thread: N (NPT), Port Size: 04 (1/2), Option: CG (C + G), Attachment: SV (S + V), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Conforming to OSHA Standard Pressure Relief 3 Port Valve With Locking Holes Series VHS20/30/40/50 How to Order 30 03 RZ VHS Made to Order Standard Nil Body: Red X1 Built-in silencer (EXH port) X502 Pressure relief Optional specifications 3 port valve Des

Conforming to OSHA Standard Pressure Relief 3 Port Valve With Locking Holes Series VHS20/30/40/50 How to Order 30 03 RZ VHS Made to Order Nil X1 X502 Standard Body: Red Built-in silencer (EXH port) Pressure relief 3 port valve Optional specifications Symbol B R Z Description Knob color: Black Body size Flow direction: Right to left Symbol 20 30 40 50 Standard port size 1/8 3/8 1/2 3/4 PSI

Body Size: 25, Thread: N (NPT), Port Size: 02 (1/4), Option: Standard, Attachment: SV (S + V), Semi-Standard 1: 18J (1 + 8 + J), Semi-Standard 2: RZ (R + Z)

Body Size: 50, Thread: N (NPT), Port: 06 (3/4), Option: Standard, Attachment: S (Pressure Switch), Semi-Standard 1: 3 (Lubricator w/Drain Cock), Semi-Standard 2: RZ (R + Z)

Body Size: 30, Thread: N (NPT), Port: 03 (3/8), Option: CE4 (C + E4), Attachment: S (Pressure Switch), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 30, Thread: N (NPT), Port: 03 (3/8), Option: CE (C + E), Attachment: SV (S + V), Semi-Standard 1: 36 (3 + 6), Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: DE (D + E), Attachment: SV1 (S + V1), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: N (NPT), Port: 02 (1/4), Option: CG (C + G), Attachment: SV (S + V), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 25, Thread: N (NPT), Port: 02 (1/4), Option: CG (C + G), Attachment: SV (S + V), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: DE (D + E), Attachment: S (Pressure Switch), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 50, Thread: N (NPT), Port: 06 (3/4), Option: CE (C + E), Attachment: SV (S + V), Semi-Standard 1: 6 (Nylon Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: CE (C + E), Attachment: S (Pressure Switch), Semi-Standard 1: 12 (1 + 2), 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: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: DE (D + E), Attachment: SV1 (S + V1), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: N (NPT), Port: 02 (1/4), Option: CG (C + G), Attachment: SV1 (S + V1), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: CG (C + G), Attachment: S (Pressure Switch), Semi-Standard 1: 12 (1 + 2), Semi-Standard 2: RZ (R + Z)