Bronze
Brass
SPECIFICATION
DESIGN
Seat valve with disk sealing
OPERATION
1. Single acting to close in flow direction. Opened by pilot pressure.
2. Single acting to close against fl ow direction Opened by pilot pressure.
3. Single acting to open. Closing by pilot pressure.
4. Double-acting. Closed and opened by pilot pressure.
MATERIAL
- Body: Bronze, from G 21/2" Brass
- Internal parts: Stainless steel, brass
- Cylinder: Brass (chrome-plated) 125 mm = Aluminium-alloy with brass cylinder
- Spindleseal: PTFE
CONNECTION
B.S.P. thread G1/2 - G 3 (DIN ISO 228 T1)
PILOT PORT
- G1/8 B.S.P.(DIN ISO 228 T1)for SK 50 / SK 80
- G ¼B.S.P.(DIN ISO 228 T1)for SK 125
PRESSURE RANGE
See table overleaf
PILOT PRESSURE
2 - 10 bar, Standard 6 - 10 bar (others on request)
MEDIA
Harmless gases and liquids up to 400 mm2/s.
TEMPERATURE RANGE
-30°C to +180°C *
TEMPERATURE OF THE ENVIRONMENT
max. +60°C *
PILOT MEDIA
Air, water (oil on request)
INSTALLATION
As desired
OPTIONS
Optical position indicator, electrical position indicator, position indication by inductive proximity switch, magnetic switch, manual override, mechanical lift stop, free of oil and grease, for vacuum applications. Hygienic Version (Food)
The above information is intended for guidance only and the company reserves the right to change any data herein without prior notice!
*: other temperatures on request
