Product Details

• The most practical and economical calibrated measuring devise used to determine infiltration in newly installed sewer lines, as well as substantial flows in existing pipes
• Thel-Mar weirs offer the advantage of a 90 degree v-notch for measuring small infiltration flow where accuracy is of prime importance and the rectangular portion which measures larger volume flow rates
• Weir adapters accommodate larger pipe diameters up to 48" by housing 15" weir (sold separately)
• Rugged construction and non-corroding materials that make our weir extremely reliable
• Made in USA