GEA VARIVENT A, Перевод оригинальной инструкции по эксплуатации

Страница: 46 / 74

Technical Data
Technical Data
46
Operating Instructions · Control Valve A
Edition 2016-06-07
Technical Data
Technical data: Valve
Designation Description
Size DN 25 to DN 150
1" to 6" OD
2" to 6" IPS
Installation position Any position (if valve and pipe system can drain prop-
erly)
Material of product contact parts Stainless steel 1.4404 (AISI316L)
Product pressure DN 25 to 65 = max. 16 bar / 232 psi (standard)
DN 80 to 150 = max. 10 bar / 145 psi (standard)
Technical data: Temperatures
Designation Description
Ambient temperature -20 to 80 °C
< 0 °C: use control air with a low dew point. Protect
valve stems against freezing.
Operating temperature Depending on the sealing material
Technical data: Compressed air supply
Designation Description
Air hose
- Metric Material PE-LD
Outside Ø 6 mm
Inside Ø 4 mm
- Inch Material PA
Outside Ø 6.35 mm
Inside Ø 4.3 mm
Control air pressure max. 6 or 7 bar (87 or 101 psi), depending on the type
of positioner
Control air acc. to ISO 8573-1:2001
– Solid particle content: Quality class 6
Particle size max. 5
μ
m
Particle density max. 5 mg/m
3
– Water content: Quality class 4
max. dew point +3 °C
If the unit is used at higher altitudes or at low ambient
temperatures, the dew point must be adapted accord-
ingly.
– Oil content: Quality class 3,
preferably oil free
max. 1 mg oil in 1 m
3
air