Stainless Steel Sanitary Round Infill Manhole Manway Tank Hatch Manlid Pressure Cover
The stainless steel sanitary manhole is an openable inspection port installed on equipment such as storage tanks and reactors, which is convenient for internal cleaning, inspection and maintenance. Its structural design has good sealing performance, flexible opening, and fine polishing of the inner and outer surfaces, which meets the sanitary requirements and is not easy to breed bacteria. It is widely used in clean process equipment in the food, beverage, biopharmaceutical and other industries.
Working Principle
The stainless steel sanitary manhole is installed on the closed end or side of the tank or equipment, and the tight fit between the sealing ring and the cover plate ensures good sealing performance during equipment operation to prevent external pollutants from entering or internal media from leaking; when cleaning, maintenance or sampling is required, the manhole cover can be quickly opened to facilitate the operator to enter or operate.
We provide various of the sanitary manway as followings
Size: round 200mm-600mm; oval 430*330 till 635*525
Non pressure round manhole cover, Pressure manhole cover, Oval manway, rectangular manhole cover are available
Mirror and matte surface polishing is available
Inner Ra 0.6, External Ra 0.8
Standard as per : 3A, SMS, ISO, DIN, AS, BS4825, BPE
Grade: SS304, SS316L
Inner Ra0.4 to meet food requirement; surface is smooth and elegant
Gaskets are compliant with FDA, Seal: EPDM, silicone, or PTFE
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
20 years' Rich exporting experience to make you easy and happy with custom work
Stainless steel sanitary fittings are widely used in high cleanliness industries and have the following significant advantages:
1.Easy to open
The quick-opening structure design facilitates daily tank inspection and cleaning, greatly improves work efficiency, and saves labor and time costs.
2.Excellent sealing performance
Equipped with food-grade sealing rings and pressurized structures, it effectively prevents leakage, pollution or gas volatilization, and ensures the safety of container system sealing.
3.Meeting sanitary process standards
Mirror polishing of inner and outer walls, no weld nodules and dead corners, meets high hygiene requirements such as GMP, FDA, 3A, and is suitable for sterile environments.
4.Sturdy structure
After professional welding and heat treatment, the overall strength is high, can withstand high pressure or negative pressure, and is suitable for acidic, alkaline and corrosive media environments.
5.Strong adaptability
It can be installed on the top, side wall or bottom of the container, and is suitable for a variety of tanks and process systems such as fermentation tanks, mixing tanks, and liquid storage tanks.
6.Can integrate a variety of functional interfaces
Functional components such as sight glasses, breathing valves, CIP cleaning ports, etc. can be installed to meet the needs of real-time observation, cleaning and pressure control.
Advantage
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Qptions |
Design Features |
1.Easy to open, reliable sealing
The quick-open design is easy to operate, and with the food-grade sealing ring, it ensures no leakage.
2.Easy to clean and maintain
The large opening and no dead corners make it easy to clean and repair the inside of the container.
3.Meet the hygiene standards
The surface is smooth and has no weld scars, meeting the hygiene requirements of GMP, FDA, etc.
4.Corrosion-resistant and long life
Adaptable to complex environments such as acid, alkali, and high temperature, with a long service life.
5.Adaptable to various tank applications
Can be used for a variety of containers such as reaction tanks, storage tanks, and fermentation tanks.
Improve system safety
Optional explosion-proof and pressure-proof functions to ensure production safety.
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1.Optional opening methods
Quick opening, bolts, handles and other opening methods are available.
2.Various installation positions
Different installation methods such as top mounting, side mounting, oblique mounting and bottom mounting are available.
3.Observation window and light port configuration
Mirrors and sight lights can be integrated to facilitate observation inside the tank.
4.Matching exhaust and pressure measurement interface
Accessories such as breathing valves, pressure gauges, and thermometers can be installed.
5.Various sealing materials
EPDM, silicone, PTFE and other sealing rings are available to adapt to different media.
6.Customized size and shape
Various specifications and customized sizes such as round, oval, and rectangular are available. |
1.Compact and beautiful structure
Exquisite appearance, fine craftsmanship, improve the overall texture of the equipment.
2.Mirror polishing treatment
High finish on the inner and outer surfaces, reducing the accumulation of residues.
3.Ergonomic operating handle
Smooth switching, labor-saving, high safety factor.
4.The sealing ring can be replaced quickly
Easy to disassemble and assemble, low maintenance cost.
5.Can withstand high pressure and vacuum
Applicable to special container environments such as pressure tanks and vacuum tanks.
6.Firmly welded to the tank body
The flange or welding connection is reliable and not easy to loosen or deform. |
Sanitary elbow, sanitary tee, sanitary reducers, sanitary unions, sanitary clamp, sanitary ferrule, sanitary pipe clamps, sanitary cleaning ball, sanitary sight glass, sanitary manway manhole cover, sanitary strainer, filters, and other sanitary pipe fittings...
Welcome to check our other products.
High production capacity
JoNeng was established in July 2007, strategically situated in Wenzhou, China. Boasting a team of approximately 100 skilled workers, our expansive factory spans 6800m2, dedicated to delivering exceptional valve and pipe solutions with precision and excellence.
Under the esteemed Joneng enterprise, we proudly operate three specialized manufacturing facilities. Jiayuan excels in producing elbow, tee, and reducer fittings in both sanitary and schedule grades; Lingdong focuses on precision-engineered ferrules, unions, sight glasses, and butterfly valves using advanced CNC technology; while Ezo specializes in designing high-quality manhole covers and small tanks to meet diverse industrial needs.
Mainly manufacture:
Stainless steel butterfly valves, ball valves, check valves, CPM valves, and diaphragm valves, meticulously designed for reliability and precision in fluid control systems.
Stainless steel sanitary and industrial-grade elbow, tee, reducer, ferrule, and union fittings, engineered for seamless connectivity and outstanding performance.
Stainless steel sight glass, spray ball, manhole cover, flanges, strainers, filters, and pipe clamps, offering comprehensive solutions to meet your varying operational demands.
Stainless steel centrifugal pumps, CIP pumps, emulsifying pumps, and rotary pumps, ensuring efficient and effective fluid handling and processing across diverse industries.
Extensive inventory of pipe fittings
Our extensive inventory of pipe fittings features an array of stainless steel options: elbows, tees, reducers, unions, ferrules, butterfly valves, check valves, and ball valves, empowering us to deliver goods promptly and with unparalleled efficiency.
3-year guarantee and 24 hours concerns
Our pledge to excellence is embodied in our promise of swift 24-hour resolution for any quality complaints, nurturing customer satisfaction while driving continuous enhancement.
At Wenzhou Joneng Valves Co., Limited, we extend an unmatched 3-year guarantee on all stainless steel components, offering you peace of mind. Should any quality issues surface with our valves and fittings, please do not hesitate to contact us. We assure a swift response with action initiated within 24 hours to resolve any concerns effectively.
Welcome to the factory
√ With 17 prolific years of dedicated expertise in the industry, we embody an unwavering commitment to quality and innovative solutions.
√ 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.
International standards
Our products are expertly crafted to align with SMS, DIN, AS, BS, BPE, JIS, ISO, ANSI B16.5, ASME, and other international standards. We also offer the flexibility of customized solutions. Our high-quality products have successfully reached over 100 countries, including Europe, America, the Middle East, Australia, Turkey, Iran, and Thailand, showcasing our global presence and commitment to excellence.
Wenzhou Joneng Valves Co., Limited proudly extends its reach to a diverse array of countries and regions including Europe, America, the Middle East, Australia, Turkey, Iran, Thailand, and more, amassing a remarkable presence in over 100 countries worldwide.
Joneng stands as a paragon of quality assurance, adorned with the prestigious CE, PED, and ISO 9001 certifications, which exemplify our unwavering dedication to superior quality management. Our products also adhere to FDA standards, reinforcing trust and reliability at every step.
OUR PRODUCTION CAPACITY
| Production Lines |
Stainless steel sanitary pipe fittings' line, machining line, sanitary manhole line, |
| Product Range |
Sanitary butterfly Valve, sanitary diaphragm valve, sanitary pipe fittings, union, ferrule, sight glass, manhole cover, safety valve, sampling valve... |
| Year Established |
2007 |
| Factory Size in Square Meters |
5000M2 |
| NO. OF TOTAL STAFF |
130 |
| Production Capital |
8 000 000 USD |
| Detail capacity |
Manhole covers |
12000nos |
| |
Pipe fittings |
150000nos |
| |
Ferrules, unions, connectors |
200000nos |
| |
Diaphragm valves |
15000nos |
| |
Butterfly valves |
20000nos |
| Investment in Manufacturing Equipment |
750000USD |
| Details of equipment |
For machining parts
29 nos of LG Mazak CNC Machines
4 nos of local CNC machines
2 nos of automatic CNC center
12 nos of plain lathe
For pipe fittings
4 nos of press
3 nos of cutting machine
3 nos of chamfering machine
We also have the following quipments
4 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
1 nos of surface roughness device |
| Primary Competitive Advantages |
Strict inspection, honest business way, fast revert on order problem |
| Stocked materials |
Big quantity for raw forging of butterfly valve, diaphragm valve, ferrule, union, adapters, pipe fittings, clamps, sight glass, safety valve, manhole cover, |
| OEM Services Provided |
Yes |
| Design Service Offered |
Yes |
| Sales Volume |
6 000 000 USD |
| 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 |
JoNeng |
1. Are you a trading company or factory?
We are a manufacturer factory and we also have our own exporting license.
2. Do you have certificate?
Yes, ISO, FDA, LFGB, CE, PED certificate. We also have some patents in design.
3. How do you control the quality?
In quality control, the most important is to avoid material mixing.
In our factory, 3 spectro PMI machines are used in raw material warehouse, production plant, dispatch plant.
Pressure inspecting machine, PMI machines, RA roughness spector, hardness testing machine...All machines help in inspection.
2 staff inspect during production in different sections
5 staff inspect the finished productions to avoid shortage, poor quality, mixing chemical...
4. If there is any quality problem, how do you solve it?
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.
5. How long is your delivery time?
For normal products in 7-10 days; For bulk order, in 15-25 days. It depends.
6. Warranty time?
3 years warranty for all of our stainless steel products. Gaskets or the easy broken parts are not included due to the different application for customers.
7. Why trust in us?
14 years in this industry. It makes us professional. Good credit in this market.
All of our machines are the assurance of our responsibility.
8. Free sample?
Free samples can be provided for first cooperation under sincere cooperation.
9. What is the MOQ?
1PCS MOQ is welcome for starting cooperatoon
10. Material certificate?
Material certificaite, mill certificate, pressure testing certificate, roughness certificate, measure certificate, RT certificate, ...Can be available, please declare when inquiry us.
11. More questions are appreciated.
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