Stainless Steel Round Non-Pressure Manhole
Product Description
Product Overview
Introducing our expertly crafted stainless steel round non-pressure manhole, representing the pinnacle of safety and longevity for tanks, vessels, and pipelines. This intricately engineered access point offers effortless, rust-proof entry for both inspection and maintenance purposes. Made from superior 304/316 stainless steel, it showcases an extraordinary strength and durability that withstands even the most challenging conditions, making it the quintessential choice for sectors like food processing, chemicals, pharmaceuticals, and water treatment. The design adheres to established standards for atmospheric vessels and features a circular build that guarantees exceptional sealing performance, effectively mitigating any potential leak threats.
Key Features
Premium Material
- Crafted from the finest **304/316 stainless steel**, renowned for its superior resistance to corrosion, exceptional heat endurance, and lasting robustness.
Leak-Proof Seal
- Equipped with a meticulously engineered flange, incorporating **silicone/fluororubber gaskets** and a robust multi-bolt locking system, ensuring a guaranteed **zero-leak assurance**.
Quick & Easy Operation
- Designed with efficiency in mind, its lightweight construction features adaptable **hinged or bolted cover options**, facilitating **single-person access** and significantly minimizing operational delays.
Safety First
- Safety is our priority with an optional **anti-fall mesh** (load capacity: 200kg) and a **secure anti-slip surface finish**, ensuring safe operation across all work environments.
Fully Customizable
- Available in **DN400-DN800** with custom size options, conforming to various **flange standards** (ANSI, DIN, JIS). Enhance your system with additional **accessories** such as sight glasses and vent valves tailored to fit your unique needs.
Applications
- Oil & Gas: Perfect for storage tanks and reactor implementations
- Food & Pharma: Ideal for hygienic cleaning of vessels and thorough inspections
- Water Treatment: Crucial for the maintenance of sewage tanks and reservoirs
- Marine & Power: Indispensable for boiler maintenance and pressure vessel access
Why Choose Us
✓ Benefit from our ISO-Certified manufacturing expertise
✓ Gain unmatched peace of mind with our 1-year warranty and ongoing support
✓ Experience swift delivery and comprehensive OEM/ODM services tailored to your requirements
✓ Access free technical consultation and precise CAD drawings to enhance your projects
Product Parameters
| Material: 304/316 SS (other grades available) |
| Size Range: DN400-DN800 (customizable) |
| Pressure Rating: Non-pressure (Atmospheric, -0.02MPa to 0.02MPa) |
| Sealing Standard: GB/T compliant, leak-tested |
| Temperature Range: -20°C to +300°C (gasket material options) |
Detailed Photos
About US
FAQ
Q:How do you pack?
A:Plastic bags-------(Paper boxes)-------Cartons-------Plywood cases
Q:How long is the quality guarantee period?
A:We supply 6 to 12 months for quality guarantee according to customers' using frequency.
Q:How can you guarantee the quality of products?
A:First of all, we have the numerical control device to manufacture products accurately. Then our quality inspectors will test products one by one to make sure every flange or fitting we sell is qualified.
Q:How can I check your factory situation while it's difficult for me to come to China.
A:We have photos and videos on our website, It shows every step of the manufacturing.
Alternatively, I can take videos or photos of our factory and send them to you.
Q:What is your lead time?
A:It's around 15 days normally. If we have the products in stock, it will be about 5days.
Q:Can you print our Logo on the valves/Fittings?
A:Yes, we can totally produce products according to your this kind special request, even manufacture it based on your drawing
Q:Are samples available to be sent with free?
A:It depends on what product you need. There are hundreds of products we sell. You can contact us for particular answer.
Q:Do you have a minimum quantity of the products?
A:No, we will build business with you with even 1pc. We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service.
Q:Where are the main markets for your products?
A:We hope to make business with companies from all over the world. And for now, our flanges and fittings have been exported to especially in North America, South America, South Asia, Europe and Middle East.
Q:Are you a factory or trading company?
A:We are a factory specialized in manufacturing flange and fitting over 10 years.
Audited Supplier 
){kind=link}