Conforming to OSHA Standard Pressure Relief 3 Port Valve With Locking Holes Series VHS20/30/40/50 Construction VHS20/30 VHS40/40-06/50 y i u w w t t r q IN OUT OUT IN q e o EXH. EXH. VM Component Parts No.
Example) VHS30-N03-RZ-D Symbol Description Body size 20 30 40 Thread type Nil Rc*1 N NPT F G 01 1/8 02 1/4 Port size 03 3/8 04 1/2 Nil Flow direction: Left to right a Flow direction Semi-standard R Flow direction: Right to left Nil Name plate in imperial units: MPa b Pressure unit Z*2 Name plate in imperial units: psi *3 *3 *3 *1 EXH port thread type: G *2 For thread type: NPT This product
Body Size: 40, Thread: N (NPT), Port Size: 03 (3/8), 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: T (T-Interface), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)
Body Size: 10, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: M5, 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: T (T-Interface), Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: RZ (R + Z)
Body Size: 40, Thread: N (NPT), Port Size: 06 (3/4), Option: G (Round Type Pressure Gauge w/Limit Indicator), Attachment: T (T-Interface), Semi-Standard 1: 8 (Metal Bowl w/Level Gauge), Semi-Standard 2: RZ (R + Z)
Body Size: 40, Thread: N (NPT), Port Size: 06 (3/4), Option: Standard, Attachment: T (T-Interface), Semi-Standard 1: 8 (Metal Bowl w/Level Gauge), Semi-Standard 2: RZ (R + Z)
Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: T (T Spacer), Semi-Standard 1: 3 (Lubricator w/Drain Cock), Semi-Standard 2: RZ (R + Z)
Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: DG (D + G), Attachment: T (T Spacer), Semi-Standard 1: 23 (2 + 3), Semi-Standard 2: RZ (R + Z)
Body Size: 10, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: M5, Option: C (N.C. Float Type Auto Drain), Attachment: T (T-Interface), Semi-Standard 1: 16 (1 + 6), Semi-Standard 2: RZ (R + Z)
Body Size: 10, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: M5, Option: Standard, Attachment: T (T-Interface), Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: RZ (R + Z)
Body Size: 25, 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: T (T-Interface), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)
Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), 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: T (T-Interface), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)
Body Size: 40, Thread: N (NPT), Port Size: 03 (3/8), Option: Standard, Attachment: T (T-Interface), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)
Body Size: 40, Thread: N (NPT), Port Size: 06 (3/4), Option: Standard, Attachment: T (T-Interface), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)
Body Size: 10, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: M5, Option: CG (C + G), Attachment: T (T-Interface), Semi-Standard 1: 16 (1 + 6), Semi-Standard 2: RZ (R + Z)
Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), 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: T (T-Interface), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)
Body Size: 40, Thread: N (NPT), Port: 06 (3/4), Option: D [Float Type Auto Drain (N.O.)], Attachment: T (T Spacer), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)
Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: DG (D + G), Attachment: T (T Spacer), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)
Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: T (T Spacer), Semi-Standard 1: 8J (8 + J), Semi-Standard 2: RZ (R + Z)