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Slide valves Type 3111 (normally closed) and 3115 (normally open) are pilot-operated, three port, two position valves with a spring-return action.
Manifold mounted versions are also available. A major feature of the valve design is elimination of the continuous leakage which is characteristic of conventional lapped-face spool valves.
The valve incorporates special high pressure seals which prevent leakage.Features
- Working Pressure: 690 bar (10,000 psi) maximum
- Pilot Pressure
- Minimum: 4.5 bar (65 psi)
- Maximum: 17.2 bar (250 psi)
- Operating Media
- Main Slide: Mineral oils, water, water-glycol mixtures
- Pilot Section: Air, natural and sour gases or any of the main slide media
- Recommended Filtration: 25 micron
- Connections: 1/4" NPTF all ports
- Flow Rate, Nominal: 27 litres/min (6 imp galls/min).
- Working Temperature - Standard: -20° to 130°C (-4° to 266°F)