Page 74 - C.B.Trading-Avcon Ecatalogue

Control Valves

7919A/B 3-Way

3-Way Pneumatic on-off & Control Valves with
Multispring Diaphragm Actuator. (Normally
Supplied in 'B'\PortClosed Position) Field

Reversible from 'B' Port Closed
to 'A' Port Closed Design

Specifications

Size: 20mm (3/4”) to 150mm (6 ”)

Pressure Rating: As per ASME - A - 16.34

Design Standard: As per ASME -B16.34

Pressure Rating: As per ANSI Cl. 300and PN 25

Face to Face : As per DIN 3202. Part I Series F1

Accessories : Filter Regulator Gauge (FRG), Air lock relay (ALR),
Top Mounted Handwheel (TMH) Switches, Proximity
Switches, Solenoid Valve (SVG), Valve Positioner,
Position Indicator (PTP), Position Indicator (ETP) etc

Spindle: SS316/410Ground, Burnished and Hard Chromed.

Hex. Nuts: ASTM A 194 Gr. 2H

Spring: EN 47 - Cr. V. Steel

Diaphragm: Neoprene

Diaphragm Yoke: Investment Casted WCB, CF8 CF8M Castings

Max.Press.Over: Max.Press.Over

Tempreature: -20°C to +80°C

Gland Packing: Grafoil, CFT & PTFE

Body Packing: Cr.Ni Foil coated with graphite.

Fluids: Air, Water, Mild Corrosive Chemical Vacuum

(10-3 Torr)*, Steam, Gas, etc.

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