Pneumatic control valve in three way form with PTFE-V-ring sealing EN-GJS-400-18-LT (GGG-40.3), PN 16/25
Materials
| Body | EN-GJS-400-18-LT (GGG-40.3) |
| Actuator | Diaphragm Area 250cm2 |
Body:
EN-GJS-400-18-LT (GGG-40.3), three way form
for water and steam, 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: 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: 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
for water and steam, 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: 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: linear
Positioning ratio: 50:1
Leakage: < 0,01% Kvs
Actuator:
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
