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NSF/ANSI 3
Commercial Warewashing Equipment

Racks per Hour / Dishes per Hour / Water Consumption Calculations

For informational purposes, the estimated racks per hour or dishes per hour for NSF/ANSI 3 Certified dishwashers can be calculated as follows:

Racks per Hour for Stationary Rack Dishwashers = 3600(NR) / TC

Racks per Hour for Rack Conveyor Dishwashers = (CS)(60) / RL

Dishes per Hour for Rackless Conveyor Dishwashers = (120)(CS)(CW) / PD

Water Consumption (gallons per hour) for Stationary Rack Dishwashers = (GPC)(RPH)

Water Consumption (gallons per hour) for Conveyor Dishwashers = (GPM)(60)

Where: CS = Conveyor speed measured in feet per minute
              CW = Conveyor width measured in inches
              GPC = Gallons per cycle
              GPM = Gallons per minute
              NR = Number of racks the dishwasher is designed to hold per cycle
              PD = Distance between pegs measured in inches, center to center of the peg, in the direction of conveyor travel
              RL = Length of the rack measured in feet
              RPH = Racks per hour
              TC = Total cycle time measured in seconds

The total cycle time includes wash, rinse, dwell, and load times. Load times will vary depending on the type of dishwasher. Estimated load times commonly used for specific types of dishwashers are as follows:
door type (straight thru) - 5 seconds
door type (corner) - 7 seconds
hood type - 8 seconds
front opening type - 30 seconds


 
Insinger Machine Company (The) 
6245 State Road
Philadelphia, PA 19135 
United States 
215-624-4800
Visit this company's website

Facility : Philadelphia, PA


CONVEYOR DISHWASHING MACHINES
      Final Rinse    
      (20 psi) Conveyor Speed  
  Model Conveyor Flow Usage (Max.) Footnotes
  Number Width gpm gph (ft/min.)  

Single Tank Rack Conveyor, Hot Water Sanitizing
  Admiral 44-4 20x20  2.5   147   6.4   
  Admiral 66-4 20x20  2.5   147   6.4   

Tray Washer Multiple Tank Conveyor, Hot Water Sanitizing
  TRAC 321-2 N/A  4.14   248   11   [1] [9]
  TRAC-878 N/A  3.28   196.64   18.3   [9]
  
[1] These conveyor type machines may be furnished with RPW recirculating pre-wash, built
    integral with the machines as accessory equipment.  Water comes from wash water overflow
    only.
[9] Acceptable with a power scrapper, TD-321-2 tray dryer, and/or tray stacker.

Multiple Tank Rack Conveyor, Hot Water Sanitizing
  GalleyMaster 135 20x20  4.0   240   3.7   [4] [8]
  GalleyMaster 185 20x20  4.0   240   5.1   [4] [8]
  GalleyMaster 250 20x20  4.0   240   7   [4] [8]
  GalleyMaster 60 20x20  4.0   240   1.6   [4] [8]
  GalleyMaster 85 20x20  4.0   240   2.3   [4] [8]
  R-106-2 20x20  2   240   10   [1]
  Speeder 64 20x20  2.4   144   7.7   [5]
  Speeder 86-3 20x20  2.4   144   7.7   
  Super 106-2 20x20  4   240   9.2   
  
[1] These conveyor type machines may be furnished with RPW recirculating pre-wash, built
    integral with the machines as accessory equipment.  Water comes from wash water overflow
    only.
[4] Listing with suffix LH or RH (for left to right or right to left conveyor direction) and
    with suffix S or E (for steam or electric tank and booster heat).
[5] With beginning serial number 938038.
[8] Make-up water is provided from final rinse source of supply. Sizing of water heaters
    should be based on additional demand (not to exceed .9 gpm).

Multiple Tank Rackless Conveyor, Hot Water Sanitizing
  Century 14 26  3.8   228   7   [6]
  
[6] The peg spacing for rackless conveyor dishwasher models Century, Clipper, and Master is
    2 1/2", center to center.

COMPONENTS:

Multiple Tank Rack Conveyor, Chemical Sanitizing
  Speeder 64CS 20x20  2.4   144   7.7   [5] [10]
  Speeder 86-3CS 20x20  2.4   144   7.7   [10]
  Super 106-2CS 20x20  4   240   9.2   [10]
  
[5] With beginning serial number 938038.
[10] Nonrecirculated, fresh water, final rinse, 50 ppm available chlorine.

Single Tank Rack Conveyor, Chemical Sanitizing
  Admiral 44-4CS 20x20  2.5   147   6.4   [10]
  Admiral 66-4CS 20x20  2.5   147   6.4   [10]
  
[10] Nonrecirculated, fresh water, final rinse, 50 ppm available chlorine.


[2] (1) represents length of dishmachine, in feet (18 - 33).
[3] (1) represents length of dishmachine, in feet (16 - 31).
[7] Unit is a four tank machine.

STATIONARY RACK DISHWASHING MACHINES
      Final Rinse    
      (20 psi) Operating Time  
  Model Rack Size Flow Usage (seconds) Footnotes
  Number Width gpm gph Wash Rinse Dwell  

Hot Water Single Tank Stationary Rack
  45SA-5 16x16  5.4   48.8   38   12   0   
  Ensign 40-2 Automatic 16x16  5.4   48.8   38   12   0   

CX20 Series
  CX20 20x20  0.6   38.4   20   10   25   


STATIONARY RACK POT, PAN, AND UTENSIL WASHING MACHINES
      Final Rinse    
      (20 psi) Operating Time  
  Model Rack Size Flow Usage (seconds) Footnotes
  Number Width gpm gph Wash Rinse Dwell  

Single Tank Stationary Rack - Hot Water Sanitizing
  CA-3 24x28  11.2   70   120   15   0   
  DA-3 2*24x28  22.4   140   120   15   0   

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