DFS

DFS

The Vahn-Tech Series DFS is an economic rack and pinion style pnuematic actuator, with both captured coil spring-return and double-acting configurations. With standardized accessory (VDI/VDE 3845) and valve (ISO 5211) mounting pads, packaging with Vahn-Tech and third-party valves and accessories is simplified and easy.

Brand: Vahn-Tech
Category: Rack & Pinion
Body One-Piece
Trim Rotary Full & Reduced Area Plug
Bonnet Standard Anti-Blowout
Packing Standard, Twin Seal, Vacuum Seal, Fugitive Emissions, Live-Loaded, Fire-Safe
Seating Metal-to-Metal & Soft
Valve Size 1" to 12"
Configuration Double-Offset Eccentric
End Connections Wafer, Integral Flange
Pressure Class Range Class 150, 300, 600
Trim Characteristics Linear
Face-to-Face Standard ANSI ISA S75.08.01 (Globe), S75.08.02 (Short)
Pressure Class Standard ASME B16.34
Shut-Off Classification ANSI FCI 70-2 Class IV, V, VI

Actuator body constructed from high quality anodized aluminum profiles, protected by epoxy polyester coating

Spring return and double acting configurations available (fail open, fail close and fail-in-place capability)

High and Low temperature versions available: +150°C to -40°C (302°F to -40°F)

Captured high grade springs that are treated with epoxy resins finishing coat

Mounting to ISO 5211 pattern provides common and simple actuator to valve attachment

Namur VDI/VDE 3845 top mounting pattern for easy fitting and interchangeability of accessories

No manuals available at this time.