The Company
AKO Armaturen & Separations is a family-run company with over 30 years of experience, specializing in the manufacture of reliable, cost effective and innovative Pinch Valves technology. AKO has also earned its place as the world market leader for Air Operated Pinch Valves and best quality rubber sleeves in the market.
Operating Principle of an Air Pinch Valve
Operating Principle of a Manual Pinch Valve
Advantages of Pinch Valves
Pinch valves are simple in terms of their construction with very few parts and coupled with a full bore opening, making them ideal to handle fluids with high concentration of solids or abrasive products.
● Free passage
● Optimum tightness
● Low resistance
● No plugging
● Low air consumption
● No leakage – no bearings and sealst
● Wear resistant sleeve
● Few parts and inexpensive
● Easy to control
● Can be used in throttling applications
Pinch Valve Types
Air-operated Pinch Valves
● Flanged Connection – VF Series
● Modular Connection – VMC Series
● Internal Thread Connection – VMP Series
● Tanker Flange Connection – VT Series
Mechanical-operated Pinch Valve
Pinch Valve Sleeve Material Options
A selection of 12 different elastomer grades for the pinch valve sleeve ensures that the AKO pinch valves have a very wide and practically unrestricted field of application.
● Natural Rubber (NR) [?]
● NR food quality [?]
● NR high temperature [?]
● Neoprene® [?]
● EPDM [?]
● EPDM food quality [?]
● Viton® [?]
● Silicone [?]
● Nitrile [?]
● Nitrile food quality [?]
● Butyl [?]
● Hypalon® [?]
Note: Neoprene®, Viton® and Hypalon® are registered trademarks of E.I. Dupont Co.
Pinch Valve Industrial Applications
Some of the applications where AKO pinch valves have been used successfully are in:
● Chemical
● Food
● Mining
● Pharmaceuticals
● Powder coating
● Waste water treatment
● Animal feeds
● Powder and bulk
● Oil and gas
● Tanker trucks
● Ceramics and glass
● Paper and pulp industries
● Mineral processing
● Silo over-filling protection systems
● Plastic industries – plastic pellet conveying
● Cement, sand, and refractories
● Pneumatic conveying systems
● Scale pits
● Sludges
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