AS-H Coplastix Stop log

Watertight Alfa Laval AS-H Coplastix® Stop Logs are designed for flow control of wastewater, storm water, hydro, industrial, and sea water. They are used in situations where temporary or infrequent isolation of a channel is necessary, or to control water levels. The Coplastix material solves corrosion and seizing issues associated with other materials.

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High reliability, low maintenance composite stop logs

  • Watertight design, meeting or exceeding AWWA C563 standards
  • 10 year manufacturer’s warranty
  • Custom designed to your application
Continuing the high quality you would expect from the original Ashbrook designs , Alfa Laval AS-H Coplastix® composite stop logs are light, yet durable, to ensure reliable and long service life.

How it works


Alfa Laval AS-H Coplastix® watertight Stop Logs can be equipped with either eyebolts or stainless steel pegs for easy, accessible handling.

Frame mounting options include wall or channel mount.

Stop logs are manufactured using the same standards as slide gates, and are available in configurations up to 192" (4,977 mm) wide.

Features and benefits

  • Corrosion-resistant
  • 10 times less friction than metal-to-metal stop logs
  • Disc and seal design prevents log seizure
  • Half the leakage rates of other conventional stop logs
  • 10 year warranty

About Coplastix®

The Coplastix range was designed to exceed all other gate types in longevity without the regular maintenance or exercising. Coplastix materials are lighter, easier to install and extremely durable.

Transform corroded, inoperable gates into smooth operating, corrosion-resistant gates that help put your fluid control system back in operating condition.


How can we help?

With industry-leading wastewater technology and expertise based on the experience from thousands of installations, we can help analyze your unique situation and select the optimal equipment model, configuration and services for your needs and budget. Get in touch by reaching out directly to the local contact for your area or submitting a general inquiry on the contact form. 

Local contact

Doug Thomas
Business Development Manager Fluid Control
Office:  (281) 985-4422
Cell:  (281) 543-1094

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