Page 78 - C.B.Trading-Avcon Ecatalogue

Control Valves

7919A/WCBF 3-Way

3-Way Pneumatic on-off,Control Valves with
Multispring Diaphragm Actuator for Mixing
duty - Thermic Fluid Application.(Normally

Supplied in ‘A’ Port Closed Possition)

Specifications

Size: 20 mm (3/4”) to 150mm (6”)

Pressure Rating: As per ANSI Cl. 150, Cl.300, PN 16 & PN 25

Design Standard: As per ASME B16.34

Pressure Chamber: Steel pressing to IS 513CRCD

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

Accessories : Filter Regulator Gauge (FRG), Air lock relay (ALR),
Valve Positioner, Position Indicator (PTP),Position
Indicator (ETP), Position Transmitter (PTR), Manual

Handwheel (MHG/MHL) Rotary Limit Switches,
Proximity Switches, Solenoid Valve (SVG) etc

Spindle: 410/316 Ground, 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: Upto 4 bar

Tempreature: -20°C to +80°C

Gland Packing: Graphoile & CFT

Leakage: As per ANSI-FCI-70-2 Cl. IV (0.01% of Kv) for 7919 A/
WCBF Series.

Fluids: Hot Thermic Fluid, Hot water, Mild Corrosive
Chemical Vacuum (10-3 Torr) , Hot Steam etc

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