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Mechanical Pinch Valves

MECHANICAL PINCH VALVES

Mechanical Pinch Valves are complete flow solutions. They’re simple, effective, and absolutely reliable. Their fool-proof design uses a robust horizontal bar that pinches the rubber sleeve. AKO makes 3 lines of mechanical pinch valves: the OV, VZ, and RV series.

The horizontal bars inside each mechanical pinch valve is adjusted by either a variety of mechanisms such as: Manual Handwheel, Two-sided pneumatic cylinder, Single-acting, Spring return pneumatic cylinder, Single-sided pneumatic spring with a pneumatic cylinder, Hydraulic cylinder, and Electro-mechanical actuation depending on the model and line of valves. Do you want a way to measure how much the valve is shut? That’s no problem. Many mechanical pinch valves can have an electronic sensor and gauge to verify the exact amount of exact flow restriction. The difference between the Handwheel Crank mechanical valves and the Pneumatic Cylinder mechanical valves is that the handwheel is operator adjusted, while the pneumatic is adjusted by compressed air. The benefit of the pneumatic cylinder mechanical pinch valve is that it can be placed in areas not convenient for an operator to reach.
 
pinch valves
    Mechanical Actuated pinch valves

OV


   

VZ

Manual Pinch Valves – Hand Crank and Air Cylinder Actuation are entirely enclosed, offering a high value for price and performance.       The VZ Series Mechanical Pinch Valves are entirely enclosed offering maximum reliability. They also offer mechanical and sensor measurements of flow regulation.
pinch valves
      pinch valves
         
         
Mechanical Actuated pinch valves
     

RV

     

 

Ultra-Heavy Duty Pinch Valves for pipe diameters up to 1200 mm and pressures up to 40 Bar.
     
pinch valves
     
         





Benefits of Mechanical Pinch Valves

  • Mechanical pinch valves, like all pinch valves, allow the free flow of product without virtually any resistance when fully open, while restricting all flow when closed without any leakage.
  • Their design is inherently simple, offering incredible value with a low total cost of ownership and minimal maintenance cost.
  • Blockage when opening is virtually impossible. Even for applications that crusts or hardens easily. When the operator opens the valve, the inner wall of the sleeve contracts to a cylindrical shape with no resistance. Reliable resumption of flow is one of the greatest benefits for pinch valve owners compared to all other valve options.
  • Mechanical pinch valves, on account of their adjusting screw, offer a non-powdered option that is easy to open and close due to the principles of mechanical advantage amplifying hand-torque power. 
     





Mechanical Pinch Valve Design

Mechanical pinch valves, like air actuated pinch valves, utilize an elastic reinforced rubber sleeve. The pinch valve casing is the frame of the pinch valve, which has a metal horizontal bar that lowers or rises by using an adjusting screw. As the screw goes up or down, that metal bar does the same, thereby restricting or opening the flow of product through the sleeve. The main advantage of mechanical pinch valve design is that they are inherently simple. AKO’s mechanical pinch valves are simple and of the highest quality among all competitors. 
       Mechanical Pinch Valve Cut-Away Image




Total Cost of Owning a Mechanical Pinch Valve

Referring to any maintenance of a mechanical pinch valve as frequent would be a misnomer. Over the lifetime of ownership, occasional replacement of the pinch valve sleeve must be done. This occurs when the elasticity or integrity of rubber is compromised, either by age, heat, or abrasion. Replacing the sleeves is rapid (with all parts at hand--not more than a handful of minutes) and requires no special skill, technique, or proprietary tools. Sleeves are affordable; and combined with such minimal maintenance time, total cost of ownership (TCO) is low.



 

The Special Design of AKO’s Sleeves

Not all pinch valve sleeves are created equally with regards to durability and composition. While other manufacturers may build quality pinch valves, the chemical composition of the rubber is proprietary and refined only for AKO. The trade secret composition of AKO’s rubber, reinforced with an elastic fabric-like mesh yields an ultra-long lasting and abrasive resistant sleeve. The long service-life contributes to a lower total cost of ownership than competing valves. AKO also offers 10 different grades of elasticity in their sleeves. The different grades offer the best life-cycle value depending on the frequency of opening and closing, temperature, abrasion, and installation particulars. Your Basecamp Sales Engineer will be knowledgeable on choosing the right sleeve.

Frequently Asked Questions

 


Where to Use AKO Pinch Valves?



Granular Materials Fine Powders
Slurries
Liquids
Granular Materials Fine Powders Slurries Liquids



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