Stainless Steel Round Non-Pressure Manhole
Product Description
Product Overview
Introducing our Stainless Steel Round Non-Pressure Manhole, the quintessential solution for tanks, vessels, and pipelines needing effortless and secure access points. These manholes, crafted from premium 304/316 stainless steel, embody unrivaled robustness and resilience against corrosive environments. Perfectly tailored for industries such as food processing, chemical, pharmaceutical, and water treatment, they ensure top-tier safety and durability. The non-pressure design aligns with standard atmospheric vessel criteria, while the circular design enhances sealing efficacy for ultimate leak prevention.
Key Features
Premium Material
- Fabricated from **304/316 stainless steel**, renowned for its superior corrosion resistance, outstanding high-temperature endurance, and remarkable long-lasting durability.
Leak-Proof Seal
- Meticulously engineered flange with **silicone/fluororubber gaskets** and a robust multi-bolt locking mechanism delivering a **zero-leak assurance**.
Quick & Easy Operation
- Designed with a lightweight framework featuring **hinged or bolted cover options**, facilitating **single-person operation** and minimizing system downtime.
Safety First
- Incorporates optional **anti-fall mesh** (supporting up to 200kg) and a **non-slip surface finish** to significantly enhance safety during operations.
Fully Customizable
- Ranging from **DN400-DN800** (custom dimensions available), with diverse **flange standards** (ANSI, DIN, JIS) and additional **accessories** (sight glass, vent valve) to meet specific needs.
Applications
- Oil & Gas: Optimized for storage tanks and reactors
- Food & Pharma: Ideal for hygienic vessel cleaning and inspection
- Water Treatment: Perfect for sewage tanks and reservoirs
- Marine & Power: Essential for boiler maintenance and pressure vessel access
Why Choose Us
✓ Proudly ISO-Certified for trustworthy manufacturing processes
✓ Enjoy a 1-year warranty with lifetime support for assurance
✓ Benefit from fast delivery alongside flexible OEM/ODM services
✓ Avail free technical consultation and precise CAD drawings
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.
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