Quality Controls, Inc.

Quality, not just in the name
 

200 Tilton Road  
Northfield, NH  03276  
(603) 286-3321  
(603) 286-7648 FAX  

info@qcivalves.com   

butt weld & socket weld
2 thru 5-way rotor valves

Download Brochure

For over thirty years many processing industries have enjoyed the trouble free operation of the Quality Controls Rotor Valve.   

These industries include:

  • Food
  • Beverage
  • Pharmaceutical
  • Chemical
  • Petrochemical
  • Refining
  • Paper
  • Paint
  • Original Equipment Manufacturers

The rotor valve's unique combination of design features set it aside from all other types of rotary valves.

These unique features include:

Multi-Port Selection
Four flow types are available, with a wide variety of flow pattern combinations.  Refer to the QCI Valve Flow Pattern Combination chart
(download our full brochure) for flow types and combinations available.
One Piece Rotor and Stem
The  one piece construction eliminates a source of wear and repair common to the typical ball valve design.  Eliminates stem leakage problems.
Cavity Free
The independent Leaf Seal design eliminates the large cavities common to the typical ball valve.  The Leaf Seal design also eliminates the need for cavity fillers, which still create stagnant seams for product to get into.
Maintenance Free
The wiping/agitation action generated by the rotation of the leaf seals, along with the rotor, breaks up material and wipes it free.  The independent leaf seal design also eliminates the need for lubrication.  No adjustments....No maintenance.
Top Entry
The ability to remove all internal parts through the top of the valve eliminates removal of the valve from the pipeline, should service be required.
Transitional Flow
The QCI rotor valve design allows for transitional flow to occur when changing valve positions.  Transitional flow eliminates dead heading problems associated with positive displacement pumps.  For minimal transitional flow designs, consult factory.
High Flow
The majority of the QCI rotor valves are full-port, with only a few sizes or types having a minimum port reduction.  The maximization of port diameter reduces the pressure drop across the valve, thus increasing flow.  Consult the dimensional information contained in our brochure for actual port diameter of the valve and rotor type that best suits the application.
Weld End Connections
The QCI Butt Weld and Socket Weld End connections are extended away from the Valve body to eliminate weld distortion.  The extended weld connections also afford a fast and efficient installation by eliminating the need to disassemble the value before installation.  Simply position the valve so the port that is to be welded is open...it's that easy!