Pneumatic control valve in three way form with bellow sealing EN-GJS-400-18-LT (GGG-40.3), PN 16/25


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


EN-GJS-400-18-LT (GGG-40.3), three way form
for heat transfer oil, as mixing valve
(diverted purpose restricted, see page 038 990)
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: double wall bellow
and safety stuffing box
Internal parts: stainless steel, replaceable seat rings
Flow characteristic: linear
Positioning ratio: 50:1
Leakage: < 0,01% Kvs

Diaphragm area 250 cm², ø250 mm
Operating mode (reversible):
“Spring closes straightway A-AB“
Air connection: G1/4“
Operating pressure: standard type: 1,6 bar
other types: …c: 3 bar, …d: 6 bar

Pneumatic Control Valve

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