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Field Measurements

Click on the (?) link for assistance with performing the related measurement

Please note: All numerical values must be entered in decimal format. As an example, 3 - 1/8 should be entered as 3.125.

1. (?) Cover Outside Diameter *
   [X]

   

   Measure the OD of the cover using a tape measure.
2. (?) Cover Outside Circumference (Alternative to Diameter for Dish Cover)
   [X]

   

   If the OD is immeasurable due to face projections for example, measure the circumference of the cover using a flexible cloth or fiberglass tape measure
3. Number of bolts around the cover *
4. (?) Cover Thickness *
   [X]

   

   Measure the thickness of the cover using a dial or digital caliper
5. --Select Below--FlatDish Shape or Type of Cover *
6. (?) Flange-to-Flange Thickness *
   [X]

   

   Measure the flang to flange thickness using a dial or digital caliper
7. (?) --Select Below--StudBolt (Through Hole)Bolt (Blind Hole) Type of Fastener used to hold the cover to its mating flange *
   [X]

   Observe the type of fastener used. Is it a stud that extends completely through the cover and through the flange with a nut at each end? Is it a bolt that extends through the cover and into a tapped hole in the flange? If a bolt is used is the tapped hole in the flange a through hole or a blind hole?
8. (?) Flange Designation
   [X]

   Enter the designation stamped on the flange (Only applicable for 'standard' flanges).