Limit stops used with True Blue actuated thermoplastic ball valves

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Series LS

Limit Stops maintain desired flow capacity for air actuated ball valves

Operation:

A True Blue air actuated ball valve with a limit stop can maintain any desired set flow from virtually closed up to full capacity of the valve. Two types are available, one for air x air actuators (Actuators ABVA & ABRA) and one for air x spring "fail safe" actuators (ABVS & ABRS).

A simple stainless steel adjusting screw is used to limit the stroke of the air actuator position. Turning the adjusting screw clockwise limits the opening of the ball valve. The limits stops can also be used with limit switches for throttling.


Limit Stops for Air x Air Actuators:

limits the position of the ball valve actuator dimensions and part numbers for air by air actuators

Please note that the part numbers shown are simply to identify size and actuator; for actual part numbers please consult factory.

Limit Stops for Air x Spring Actuators:

limits the position of the ball valve actuator dimensions and part numbers for air by air actuators

Please note that the part numbers shown are simply to identify size and actuator; for actual part numbers please consult factory.

Customization:

Whether it's a minor modification or a completely new valve, Plast-O-Matic engineers are known worldwide as the experts in thermoplastic valve design. Please call our Technical Group to discuss your needs at 973-256-3000. Minimum quantities and/or charges may apply.

Limit Stop CAD file:

.dwg format not yet available. We recommend either right-clicking on the appropriate dimensional drawing above, then doing a "save as," or you can download any of the ABV or ABR actuator CAD drawings and indicate the limit stop based on the dimensions shown above.


Helpful Links:

Ball Valves Index Page -- Overview and links to all ball valves, actuators, and accessories. Possibly the page you were on prior to this one.

Series MBV -- True Blue Ball Valves -- Manual version of Plast-O-Matic's popular ball valve line; constructed with integral mounting lugs for easy addition of an actuator when needed. Features also include Trunnion design, reinforced shaft and PTFE thrust washer. 2-way and 3-way designs. Socket, threaded, flanged ends, NPT, BSP or Metric; customizing available.

Series EBV -- Actuated Ball Valves -- Electrically powered actuators for 2-way and 3-way ball valves, all sizes. Features Standard Manual Override.

Series ABV -- Actuated Ball Valves -- Pneumatically or hydraulically powered actuators for 2-way and 3-way ball valves, sizes 1/2", 3/4", and 1". Air x air and "fail safe" air x spring models available; converts easily between types. Manual override standard.

Series ABR -- Actuated Ball Valves -- Pneumatically or hydraulically powered actuators for 2-way and 3-way ball valves, sizes 1-1/4", 1-1/2", and 2". Air x Air and "fail safe" Air x Spring models available. Manual override standard on air x air, optional on air x spring version. Air x spring converts easily between fail safe "open" and fail safe "closed."

Series TMBV -- 3-way Manual Ball Valves -- Explanatory page for 3-way ball valves, all sizes. These are the valves that serve as the base for the actuated packages depicted on this webpage.

Series TEBV -- Electrically Actuated Ball Valves 3-Way Electrically-Actuated Ball Valves, for installations where compressed air or hydraulic power is not available or practical.

Series TABV & TABR -- Actuated Ball Valves -- Explanatory page for pneumatically or hydraulically actuated 3-way ball valves, all sizes. For actuator specifications, use the above links for the appropriate size.

Series LMBV -- Lateral Reducing Ball Valve -- Explanatory page for lateral reducing ball valves which simplify lateral connections.

Series Z-Vent MBV -- Vented Ball Valve for Sodium Hypochlorite -- Vented ball valve for sodium hypochlorite and other applications prone to outgassing.

Series SW -- Limit Switches -- For use with actuated ball valves.

Air-Operated Diaphragm Valves and Globe Valves- Perhaps your application requires more rapid shut-off, or you want to use line pressure to open the valve, or have other reasons you don't specifically want a ball valve. If so, True Blue ASO, BSD, or BSR is likely to meet your needs.

Online Pressure Drop Calculator -- Allows you to easily determine the probable pressure drop across a valve. Note: For comparison and illustrative purposes only; not to be relied on for system design.

5 Most Common Mistakes When Specifying Valves

Valve Pressure Loss & Flow - Q&A and Equations
(Explains Cv and Delta P, how to better specify valves, etc.)


Additional Info: Catalog Request Catalog SW/LS


Plast-O-Matic Valves, Inc.
1384 Pompton Avenue
Cedar Grove, NJ 07009 USA
Voice: (973) 256-3000
Fax: (973) 256-4745

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