Pneumatic control valve in two way form with PTFE-V-ring sealing DN65-100 EN-GJS-400-18-LT (GGG-40.3), PN 16/25, with reduced Kvs-values


Body EN-GJS-400-18-LT (GGG-40.3)
Actuator Diaphragm Area 250cm2


EN-GJS-400-18-LT (GGG-40.3), two way form
for water and steam
Pressure range: PN 16, PN 25
Immersion length acc. to DIN EN 558, basic series 1
Flanges acc. to DIN EN 1092-2 type 21
Spindle sealing: spring-loaded PTFE-V-ring unit
for media temperatures up to 250°C
Alternatively: graphite-packing
for media temperatures up to 350°C
Internal parts: stainless steel, replaceable seat rings
Flow characteristic: equal percentage
Positioning ratio: 50:1
Leakage: < 0,01% Kvs

Diaphragm area 250 cm², ø250 mm
Operating mode (reversible):
“Spring closes straightway “
Air connection: G1/4“
Operating pressure: standard type: 1,6 bar
other types: …c: 2,4 bar, …d: 4,4 bar

Pneumatic Control Valve

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