Model: DV2
DV2 is a DV2 Standard UHP diaphragm valve. Its wetted body is SS316L VAR, with manual and pneumatic actuator variants.
| Series | DV2 Standard |
| Operating pressure by actuator | C2/P2: 250 PSIG; C10/K10/L2: 500 PSIG; L112: 1500 PSIG; C30/K20/P30: 3300 PSIG; CR2: 3300 PSIG (not bidirectional, regulated output; outlet must not exceed 750 psig; outlet pressure chart applies) |
| Flow coefficient Cv | 0.25 (CR2: 0.08) |
| Actuation structure | C2/C10/C30/CR2: pneumatic NC; K10/K20/L2/L112: manual 1/4 turn; P2/P30: pneumatic NO |
| Expected cycle life | C10: 1M cycles; C2/L2/P2/K10/L112: 500K cycles; others: 50K cycles |
| Helium leak rate | Inboard: 1×10⁻⁹ scc/s He; across seat: 1×10⁻⁹ scc/s He (CR2: 4×10⁻⁸ scc/s He) |
| Seat and switch options | B5: bleed seat; FA: PFA seat (250 psig maximum operating pressure); VS: Vespel™ seat; RS: SPDT reed switch |
| 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; electropolished, Cr/Fe ≥1.5, CrO/FeO ≥2.0 |
| Connections | T: 1/4″ tube stub; 6: 3/8″ tube stub; M/F/V: 1/4″ male/female/fixed male face seal; X: no port |
| Handle colour options | BK black; GR green; RD red; WH white; YW yellow |
| Overall height H by actuator | C2: 1.99″ [51 mm]; C10: 4.31″ [109 mm]; C30: 5.04″ [128 mm]; CR2: 1.75″ [44 mm]; K10: 3.00″ [76 mm]; K20: 3.00″ [76 mm]; L2: 2.67″ [68 mm]; L112: 3.60″ [91 mm]; P2: 2.07″ [53 mm]; P30: 4.45″ [113 mm] |
| Actuator diameter D | C2 1″ [25 mm] square; C10 1.50″ [38 mm]; C30 1.69″ [43 mm]; CR2 1″ [25 mm] square; K10 1.50″ [38 mm]; K20 1.75″ [44 mm]; L2 1″ [25 mm] square; L112 1.12″ [28 mm]; P2 1″ [25 mm] square; P30 1.69″ [43 mm] |
| Connection length L | Tube stub L: 0.880″ [22.3 mm]; welded fitting L: 1.39″ [35 mm]; fixed male fitting L: 1.15″ [29 mm] |
| Body and mounting holes | 0.99″ [25.1 mm] square; 10-32 [M5] thread on 0.71″ [18 mm] square, 4 holes |
| Design and indicators | Springless metal diaphragm, replaceable seats, manual metal handles with positive stops. Pop-up indicators: C2/C10/C30/CR2/P2; LOTO: L2/L112/K20 |
| Pneumatic actuation port | C2/CR2/P2/P30: 10-32/M5; C10/C30: 1/8″ OD tube quick connect; manual: 1/4 turn (not pneumatic connection) |