Model: DV3
DV3 is a DV3 High Flow UHP diaphragm valve. Its wetted body is SS316L VAR, with manual and pneumatic actuator variants.
| Series | DV3 High Flow |
| Operating pressure by actuator | C3-HT: Vac–125 psig; C3: Vac–150 psig; L3/K10: Vac–500 psig; C10/H10: Vac–250 psig; C30/P30: Vac–1500 psig; C40/P40/K30: *Vac–3300 psig. *G1 bodies: 2500 psig with PCTFE, 3300 psig with Vespel™; *G2 bodies: 3300 psig with PCTFE or Vespel™. |
| Actuation structure | C3-HT/C3/C10/C30/C40: pneumatic NC; P40/P30: pneumatic NO; L3: manual 3/4 turn LOTO; K10: manual 1/2 turn; K30: manual 1/2 turn LOTO; H10: manual 3/4 turn LOTO with pneumatic NC, both required to open |
| Operating temperature | C3-HT: -40 to 400 °F; others: -20 to 160 °F (Vespel™ seat option: -20 to 300 °F) |
| Option model scope | HT high temperature: C3/K10/K30; RS reed switch: C10/C30/C40; FA PFA seat: maximum 250 psig |
| Seat material | C3-HT: PFA; others: PCTFE (Kynar and Vespel™ optional) |
| Expected cycle life | C3-HT/L3/H10: 250K cycles; C3/K10: 500K cycles; C10: 1M cycles; C30/C40/P40/P30/K30: 50K cycles |
| Flow, internal volume and helium leakage | Cv 0.5; internal volume 2.7 cc; helium leak rate 1×10⁻⁹ scc/s He |
| Actuator supply pressure | Pneumatic actuators: 70 to 120 psig (not applicable to manual actuators) |
| Diaphragm material | Elgiloy™ |
| Proof / burst pressure | 150% / 300% of operating pressures |
| Wetted body material | SS316L VAR |
| Wetted surface | 10 Ra maximum; electropolished |
| Connections | T/4/8: 3/8″ / 1/4″ / 1/2″ tube stub; M/F: 1/4″ Hi-Flo male/female face seal; M8/F8: 1/2″ 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 | C3-HT: 2.20″; C3: 2.10″; L3: 2.80″; C10: 4.48″; C30: 5.21″; C40: 6.1″; P40: 5.2″; P30: 4.82″; H10: 5.33″; K10: 3.16″; K30: 3.16″ |
| Actuator diameter D | C3-HT/C3/L3 1.12″ square; C10/H10/K10 1.50″; C30/P30 1.69″; C40/P40 2.50″; K30 1.75″ |
| Connection length L | Tube stub L: 0.880″ [22.3 mm]; 1/4″ Hi-Flo female FS L: 1.39″ [35 mm]; 1/4″ Hi-Flo male FS L: 2.06″ [52 mm]; 1/2″ female FS L: 1.49″ [38 mm]; 1/2″ male FS L: 2.16″ [55 mm] |
| Body and mounting holes | 1.12″ [28.4 mm] square; 10-32 [M5] thread on 0.71″ [18 mm] square, 4 holes |
| Design and porting | Springless metal diaphragm, replaceable seats, 13 standard porting configurations. High temperature 400 °F option: C3/K10/K30 |
| Pneumatic actuation port | C3-HT: 1/16″ FNPT; C3: 10-32; C10/H10/C30/C40: 1/8″ OD tube; P40/P30: 10-32/M5; L3/K10/K30: n/a |