The 0.125" NPT (1/8"-27) inlet and outlet ports are 1.50" center to center and were pilot drilled 21/64" drill bit.
Design 2.0 Chiller plate that is 0.6480" thick and has narrower channels (0.75" wide) and inlet outlet spacing of 1.0" center to center.
Edge view of Design 2.0 showing the inlet and outlet port separation of 1.0". This picture shows a test unit that has additional NPT ports located on opposite side for addition of optional sensors.
(McMaster Carr part # )
DSC01206 of Design 2.2 that shows more rounded internal corners at each of the mounting holes to allow for a greater sealing area or the placement of an O-Ring. There is now a uniform 10 mm landing area for the application of sealant. These chill plates weigh 743.68 grams.
DSC01205 Close up showing the difference between the older designs 2.0 and 2.1 (left side with 0.2870" of landing area for silicone sealant at the corners) and the newer design 2.2 (right side with 0.4425" of landing area). This larger area may also allow for the possible future addition of an O-ring. The corner mounting holes remain the same on both plates at 6.5 mm (0.2559").
Design 2.3 incorporates a longer length by 2 mm (1 mm longer at each end) The drill pattern remains the same and the smaller width (160 mm) remains the same. Increased length necessary to accommodate the latest versions of controllers as supplied by SME.
Edited 3/7/2022
DSC01207 picture of longer design 3.242 with longer overall dimensions of 9.50" (242 mm) length and 6.25" width. All previous designs were 8.25" long and 6.25" wide. The 3.0 chill plates weigh 974.82 grams
updated 3/31/2023
DSC01213 side view of Design 3.242 with the inlet/outlets on opposite side away from the terminals. In this case the M6-1.00 x 45 mm cap head bolts extend below the chiller plate. The outer diameter of the cap head bolts is 9.85 mm (0.3878") and the shank length of the heads is 6.05 mm (0.2382")
DSC01209 closeup picture of Design 3.242 (242 mm length) corners showing the 0.625" wide mounting area that now extends beyond the edge of the controller base. This additional shelf area now allows for direct and independent attachment of the chiller controller to any mounting surface.
This chiller pate was elongated from 242 mm to 244 mm for use in the controller box first described in this blog 2/22/2023. The four controller mounting holes in the chill plate were tapped for M6-1.0 x 30 mm cap head screws. This allows for the chill plate to rest flat on the surface of the base of the controller box. It also allows for the custom drilling of mounting holes (to box or chassis) that are independent of the factory supplied mounting holes.
DSC01661 showing the longer chill plate (version 3.244T) and the M6-1.0 tapped mounting holes.
DSC01663 showing the cap head screws do not extend beyond the base of the controller chill plate.
updated 3/31/2023
updated 5/2//2023
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