Definox DCX3 DE-Double Sealing Shut Off Air Flow Control Valves

Specifications

Size Range: 2”, 2-1/2”, 3”, 4”

Materials:

Body/Stem: 316L SS

Operator: 304 SS

Valve seals: FKM plug seals, FKM stem seal & body seal

Optional seals: EPDM or Silicone plug seal, EPDM, or Silicone stem & body seal

Connections: OD tube butt weld, Sanitary clamp, Others upon request

Options: Additional microvalve for cleaning of leakage chamber

Signal Equipment: ICS Control top – valve sizes 2” – 3”, ACS Control top – valve size 4”, Network options: point-to-point & AS-i (others upon request)

Surface Finish: Ra Interior = 32Ra, Ra Exterior = 40-50Ra

Features:

• Non-independent double valve system.
• Internal leakage chamber created by primary and secondary plug seals prevents cross-contamination between process lines.
• Single microvalve for an indication of leakage from the chamber.
• A heavy-duty stainless steel actuator is capable of withstanding hydraulic shock under the plug.
• Clamp-style operator connection (manual and automated) for easy inspection and maintenance.
• Heavy wall machined spherical bodies guarantee excellent resistance to thermal expansion and contraction.
• Wide variety of body configurations: DCX3 (L) – (T) – (X).

Service Conditions

Max. temperature: 284°F (depending on seal type)

Min. temperature:  32°F

Max. working pressure: 116 psi

Actuator air supply: 80 psi Minimum / 116 psi Maximum

Vacuum resistance: 0.4 cm³/s