Strip coupon holders are designed to suspend a pair of 3" or 6" coupons in a vessel or pipe. Coupon holders can be sized to monitor the top, middle, or bottom of the line.

Calculating Coupon Holder Length
After selecting the corrosion coupon type to be used, determine the pipe or pressure vessel sizes (diameter and thickness) and line position where the coupon will be located then Sewon engineers will calculate coupon holder length.

Strip Coupon Positioning