## Stainless Steel Manhole Cover Systems
Stainless steel manhole covers are sealed access doors that provide safe access to the interiors of industrial tanks, silos, boilers, and storage systems. The covers we produce as Asinoks are made of AISI 304 and 316 grade stainless steel and fully comply with the standards of hygienic sectors such as food, chemistry, and pharmaceuticals.
### Why Choose Stainless Steel Manhole Covers?
* ✔
Full Access and Safety: Allows personnel to safely enter and exit the tank for cleaning, maintenance, and inspection operations.
* ✔
Leak-Proof Guarantee: Completely prevents liquid or gas leaks thanks to its special gasket structure (EPDM, Silicone).
* ✔
Long Life: With its corrosion-resistant structure, it does not rust or rot and maintains its original performance for years.
* ✔
Hygienic Surface: Its smooth stainless steel surface does not harbor bacteria, making it ideal for food and pharmaceutical production.
### Sectoral Usage Areas
Food and Beverage
Milk tanks, wine fermentation vessels, and fruit juice silos.
Chemical and Pharmaceutical
Reactor inlets, raw material storage tanks, and acid storage.
Water Treatment
Filtration tanks and wastewater treatment plants.
### Our Manhole Cover Models
Our wide range of products suitable for your project and tank type:
*
Round Manhole Covers: Generally used on the top (dome) of tanks, it is a standard access cover.
*
Oval Manhole Covers: Used on the side surfaces of tanks or as an inward-opening model in pressurized systems.
*
Rectangular Covers: Generally preferred in atmospheric (non-pressurized) tanks and floor covers.
*
Pressure Covers: Highly pressure-resistant, special locking system and reinforced models.
Asinoks Quality and Assurance
As Asinoks, we manufacture manhole covers in custom sizes and shapes to suit your needs. Our products have ISO and CE quality certificates and are covered by a 2-year warranty. We are with you with fast delivery and after-sales technical support.
### Frequently Asked Questions
What steel is a stainless steel manhole cover made of?
+
Depending on the area of use, AISI 304 (standard) or AISI 316 (chemical/acidic environment) quality stainless steel is used.
How do prices vary?
+
The diameter (size) of the cover, sheet thickness, steel quality (304/316), and pressure resistance class are the main factors determining the price.
Is there a leak-proof guarantee?
+
Yes. 100% leak-proofness is ensured by using food-grade EPDM or chemical-resistant Silicone gaskets in all our covers.
Do you manufacture custom sizes?
+
Yes. Apart from standard sizes, we can manufacture custom sizes suitable for your project and tank inlet.
