Air Actuated Ball Valves vs. Air Actuated Shutoff Valves
Comparison of features and limitations, as well as recommendations when to use one or the other...
Actuated Ball Valves
Air Shutoff Valves
Advantages of Ball Valve
- Higher pressures & flow rates
- Higher back pressure permitted
- Can revert to manual valve, or convert to electric actuator
- Zero deadleg when fully open
- Light weight
- Manual Override
Advantages of Air Shutoff
- Absolute positive closure in extreme conditions.
- Globe design means no liquid trapped in ball* or other cavities when valve is closed
- Fail-Dry early warning safety vent feature
- Actuation mechanism is integral to the valve
- Smooth operation, direct cycling
Features common to both:
- Fail-safe versions available
- Visual position indication
- Limit Stop available
- Million cycle life
- Can be operated pneumatically or hydraulically
- Uses PTFE parts for inherent lubricity
- Outstanding performance in corrosive environments
- Available with flanged, socket, or threaded connections
- Can be customized for special applications
|*Note that a vented ball is readily available on all Plast-O-Matic ball valves to prevent gas entrapment.|
Please note that the unique characteristics and positive features listed above refer only to Plast-O-Matic products.
Plast-O-Matic Valves, Inc.
1384 Pompton Avenue
Cedar Grove, NJ 07009-1095 USA
Voice: (973) 256-3000
Fax: (973) 256-4745
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