Here is Convergent Water Controls (CWC) improved version of corrosion coupon racks which are compliant to ASTM D2688. Watch to see all the reasons and components which make it compliant and other options available.
Hi, I'm Larry from CWC. Today I'm going to introduce to you our latest version of our corrosion coupon rack, which is compliant to the ASTM D2688 standard.
The reasons why it complies are because of the physical dimensions of the rack where the standard specifies the length of the sections where the actual coupon sits as well as the vertical height between successive of coupons.
As you can see, this coupon rack allows for mounting two coupons, one over here and one over here, however, we do have versions where you can monitor up to four coupons. Another pertinent feature of the rack is the position of the Coupon holders themselves. So the coupon actually needs to sit vertically in the rack and the actual holder has an indicator, this vertical ridge on the holder, so that when it's inserted in the rack it sits vertically and you can then determine the orientation of the coupon.
As you can see also, the holders are quick release, very easy to get in and out. And also a very important feature of the standard is the flow rate through the rack which is controlled via this flow control valve, which keeps the flow at approximately 20 litres a minute, which translates to the required meters per second flow rate.
And that would sum up all the necessary features that makes it compliant to that ASTM standard.
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