Model: DV4
DV4 is a DV4 Bulk Flow UHP diaphragm valve. Its wetted body is SS316L VAR, with manual and pneumatic actuator variants.
| Series | DV4 Bulk Flow |
| Operating pressure by actuator | K30/C40: *Vac–1500 psig; C30/H30: *Vac–1000 psig; P30: Vac–500 psig. *Differential back pressure: 500 psid maximum |
| Actuation structure | K30: manual 1/2 turn LOTO; C30/C40: pneumatic NC; P30: pneumatic NO; H30: hybrid manual 3/4 turn LOTO and pneumatic NC |
| Expected life, flow and internal volume | 30K cycles; Cv 1.0; 5.4 cc |
| Actuator replacement | Actuators can be replaced without exposing wetted areas to atmosphere |
| Helium leak rate | 1×10⁻⁹ scc/s He |
| Actuator supply pressure | Pneumatic actuators: 70 to 120 psig (not applicable to manual actuators) |
| Operating Temperature | -20 to 160 °F (Vespel™ seat option: -20 to 300 °F) |
| Other wetted materials | Diaphragm: Elgiloy™; seat: PCTFE (Vespel™ optional) |
| Proof / burst pressure | 150% / 300% of operating pressures |
| Wetted body material | SS316L VAR |
| Wetted surface | 10 Ra maximum; Cr/Fe ≥1.5, CrO/FeO ≥2.0 |
| End Connection | T: 1/2″ tube stub; M/F: 1/2″ male/female face seal; M12/F12: 3/4″ male/female face seal; X: no port |
| Handle colour options | BK black; GR green; RD red; WH white; YW yellow |
| Overall height H by actuator | K30: 3.5″ [89 mm]; C30: 5.6″ [142 mm]; C40: 6.5″ [165 mm]; P30: 5.1″ [129 mm]; H30: 6.9″ [176 mm] |
| Actuator diameter D | K30 1.75″ [44 mm]; C30/P30 1.69″ [43 mm]; C40/H30 2.50″ [64 mm] |
| Connection length L | Tube stub L: 0.880″ [22.3 mm]; 1/2″ female FS L: 1.49″ [38 mm]; 1/2″ male FS L: 2.16″ [55 mm]; 3/4″ FS L: 2.40″ [61 mm] |
| Body and mounting holes | 1.12″ [28 mm] square; 10-32 [M5] thread on 0.71″ [18 mm] square, 4 holes |
| Design and indicators | Compact 1/2″ diaphragm design, replaceable seat capsules, C30/C40 pop-up indicators, manual metal handle with positive stop and LOTO; multi-port configurations available |
| Pneumatic actuation port | C30/C40/H30: 1/8″ OD tube; P30: 10-32/M5; K30: n/a |