Pneumatic control valve in two way form with bellow sealing DN125-150 EN-GJS-400-18-LT (GGG-40.3), PN 16/25, with 14-20kN actuator
Materials
Body | EN-GJS-400-18-LT (GGG-40.3) |
Actuator | Diaphragm Area 800cm2 |
Body:
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: 30:1
Leakage: < 0,01% Kvs
Actuator:
Diaphragm area 800 cm², ø420 mm
Operating mode: “Spring closes straightway “
Air connection: G1/4“
Operating pressure: standard type: 5,5 bar