The design of a manhole cover depends on multiple important factors, such as water and gas leakage prevention, stability (non-rock), loading requirements, as well as the installation and removal of the cover.
These requirements are set according to the project’s specific requirements; whereas, certain features are determined by the general purpose of the cover, the need for a secure fit, and general safety requirements.
In this article we will shed light on important features of our covers:
🔹 Manhole Cover Sealing Types: A Comprehensive Guide
At Riyadh Foundry Co, we offer a wide range of high-quality manhole covers designed to meet the demands of various infrastructure projects. Here’s an overview of the different types of manhole covers and their sealing mechanisms:
1️⃣ No-seal or Plain-seated Manhole Covers:
-These covers are designed without any sealing around the edges.
-Ideal for underground cable networks where frequent access is required.
-Not intended for areas where water or airtightness is a concern.
2️⃣ Single-seal Manhole Covers:
-The most commonly used type of manhole cover.
-Features a single tongue-and-groove assembly between the cover and frame.
-Can be made airtight by filling the groove with grease or other suitable compounds.
-Perfect for preventing the escape of sewage gases, especially in residential or commercial areas.
3️⃣ Double-seal Manhole Covers:
-Incorporates a double tongue-and-groove arrangement, providing both airtight and watertight sealing.
-Ensures no gas escape and prevents surface water seepage, safeguarding underground utilities.
-Highly suitable for internal sewage manholes, offering enhanced protection for critical infrastructure.
💼 Riyadh Foundry Co. is committed to providing optimal solutions with the highest standards of quality and safety for our clients in the infrastructure sector.
For more information on manhole covers or any of our other solutions, feel free to contact us!