
The manhole cover is used for tank. It is also called sanitary manway, sanitary manway door, sanitary manhole door, sanitary hand-hole, manhole door
We provide various of the sanitary manway as followings:
1.Size: round 200mm-600mm; oval 430*330 till 635*525
2.Non pressure round manhole cover, Pressure manhole cover, Oval manway, rectangular manhole cover are available
3.Mirror and matte surface polishing is available
4.Inner Ra 0.6, External Ra 0.8
5.Standard as per : 3A, SMS, ISO, DIN, AS, BS4825, BPE
6.Grade: SS304, SS316L
7.Inner Ra0.4 to meet food requirement; surface is smooth and elegant
8.Gaskets are compliant with FDA, Seal: EPDM, silicone, or PTFE
9.With sight glass or not
For the sanitary manhole covers, ... After products are finished, we recheck the roundness, thickness uniformity, Ra value, sand hole, surface uniformity. So after these inspection, the manhole covers are of excellent quality.
Our sanitary manhole covers are widely used for food, beverage, Dairy , bio-tech, pharmacy industries.
Quality guarantee of 3 years
ISO 9001, FDA, SGS approved materials
7-10 days fast delivery on urgent requirements
10 years' Rich exporting experience to make you easy and happy with custom work
Stainless Steel Manway | Stainless Steel Round Non Pressure Manhole Cover |
Stainless Steel Oval Type Eliptical Tank hatches | |
Stainless Steel Round tank manhole cover with full sight glass | |
Stainless Steel Oval tank lid with sight glass | |
Stainless Steel Oval inward tank access manway door | |
Stainless Steel Round tank vessel manway door | |
Stainless Steel Round tank manway manhole cover | |
Stainless Steel Rectangular tank vessel manway door |









Ezo Stainless Steel Company, established in 2007, is located in the stainless steel industry zone in Wenzhou, China. With a dedicated team of around 100 skilled professionals, our expansive 6,800 m² facility is committed to delivering high-quality manhole covers, pumps and small tank solutions, crafted with precision and excellence.
Under the Ezo Stainless Steel company, we proudly operate three specialized manufacturing divisions:
- Ezo specializes in the production of stainless steel storage tanks, mixing tanks, CIP system, heat exchangers, filters, hoppers, manifolds....
- Jiayuan specializes in the production of stainless steel elbow, tee, and reducer fittings, available in both sanitary and schedule grades.
- Lingdong focuses on precision-engineered ferrules, unions, and sight glasses, valves and pumps utilizing cutting-edge CNC technology.
- Joneng is renowned for designing and exporting the high-quality stainless steel valves, tanks and accessorries.
Together, these divisions allow us to offer a comprehensive range of stainless steel solutions, serving industries worldwide with exceptional quality and reliability.


We specialize in manufacturing a wide range of high-quality stainless steel products, tailored to meet the diverse needs of various industries:
Sanitary Stainless Steel Manways: Our range of sanitary manways-including pressure-type, non-pressure, round, and rectangular designs-are engineered for seamless integration and long-lasting performance. These manways ensure secure access and efficient operation in sanitary environments.
Stainless Steel Pumps: Our extensive range of stainless steel pumps-including centrifugal pumps, CIP pumps, emulsifying pumps, and rotary pumps-are built for efficient and effective fluid handling. These pumps are engineered to perform reliably across diverse industrial applications, ensuring smooth and continuous fluid processing.
Sanitary Stainless Steel Filters: We manufacture a comprehensive range of sanitary filters, including Y filters, inline filters, L filters, and housing filters. Meticulously designed for precision, our filters provide reliable fluid filtration, ensuring operational safety and performance.
Heat Exchangers: We provide stainless steel heat exchangers that deliver superior heat transfer performance, designed to optimize energy efficiency and enhance thermal management across industrial processes.


By utilizing the PMI (Positive Material Identification) machines, we thoroughly analyze the chemical composition of raw materials, semi-finished products, and final goods. This proactive approach ensures that any potential material discrepancies are identified and corrected early, guaranteeing consistent product quality at every stage of production.
Additionally, we employ a cutting-edge roughness measuring machine to precisely assess the surface quality of our products. This ensures that every item meets the highest standards of precision and finish, upholding our commitment to excellence in both functionality and aesthetics.

√ Spanning an impressive 6800m2, our state-of-the-art facility is adeptly equipped to manage diverse production demands with flawless efficiency.
√ Our skilled workforce of 100 employees fuels our engine of excellence and propels our growth trajectory.
√ Thriving in over 100+ countries, our expansive global reach is a testament to the trust and satisfaction our international clientele repose in us.
√ With a formidable network of 1000+ partners worldwide, our collaborative endeavours continue to drive success and shared aspirations.



OUR PRODUCTION CAPACITY
Product Range | Stainless steel storage tank, mixing tank, extracting tank, evaporator, concentration units, fermenting tank, plate sterilizer, CIP cleaning system, heat exchangers stainless steel sanitary filters ( Y filter, inline filter, L filter, housing filter Stainless steel Sanitary pump ( stainless steel sanitary centrifugal pump, rotary lobe pump, CIP pump) Stainless steel sanitary manways ( Pressure type manway, non pressure manway, round manway, rectangular manway | |
Year Established | 2007 | |
Factory Size in Square Meters | 6800M2 | |
NO. OF TOTAL STAFF | 145 | |
Production Capital | 10 000 000 USD | |
Detail capacity/ MONTH | TANKS | 50nos |
Manhole covers | 500nos | |
FILTERS | 600nos | |
PUMPS | 400nos | |
Investment in Manufacturing Equipment | 750000usd | |
OUR EQUIPMENTS | 29 nos of LG Mazak CNC Machines | |
4 nos of local CNC machines | ||
2 nos of automatic CNC center | ||
12 nos of plain lathe | ||
4 nos of press | ||
3 nos of cutting machine | ||
3 nos of chamfering machine | ||
40 nos of polishing machine | ||
12 nos of grinding machine | ||
3 nos of laser marking machine | ||
3 nos of pressure testing machine | ||
1 nos of temperature testing machine | ||
3 nos of spectro instrument | ||
2 nos of surface roughness device | ||
Primary Competitive Advantages | Strict inspection , honest business way, fast revert on order problem | |
OEM Services Provided | yes | |
Design Service Offered | yes | |
Export Percentage | 80% | |
MAIN MARKET | USA, Germany, Hungary, Canada, Thailand, Holland, England, South Africa,Indonesia, Saudi, India, New Zealand, Australia, Middle East... | |
Own Brand Name | EZO |
FAQ
Q: What grade of tanks, filters, pumps manways do you produce ?
We are a manufacturer factory and we also have our own exporting license.
Yes, ISO, FDA, LFGB, CE, PED certificate . We also have some patents in design.
We are very proud that we never make one customer leave us. We are not 100% perfect, there is some quality problem.
Normally replacement, or compensation, or resend goods to customers as per the condition. To be discussed as per condition.
Q. Why do we trust in you?
14 years in this industry . It makes us professional .Good credit in this market.
All of our machines are the assurance of our responsibility.