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Manhole riser adjustment high-plastic adjustment ring
Accurate height adjustment is possible through various combinations according to height and tilt. 【Features】 ○ There is no risk of freeze damage in cold regions. ○ It is corrosion-resistant, highly durable, and free from cracking or damage. ● For other functions and details, please contact us.
Accommodates various heights and road gradients! Lightweight and easy to assemble, it simplifies construction and enables quick recovery at the site while reducing labor.
The "HI-PLA Adjustment Ring" is developed based on consultations and guidance from those working on-site and designers, utilizing a new type of plastic material. By inserting it between the sloped wall and the manhole frame, it accurately accommodates the height and slope of the pavement surface. With options such as the "Flat Type" for upper adjustments and the "Grip Type" for lower adjustments, precise height adjustments can be made according to the tilt. 【Features】 ■ No freezing damage in cold regions ■ Completion to the manhole frame in about 20 minutes without requiring expertise ■ No special tools needed ■ Easy installation even for first-timers ■ Corrosion-resistant, highly durable, with no cracks or damage *For more details, please refer to the PDF document or feel free to contact us.
Clearly corresponds to the height and slope of the pavement surface.
This is an introduction to the "Manhole Raising Adjustment High-Polymer Adjustment Ring" handled by Nippon Step Co.
