Stainless Steel Sanitary Anti-Corrosion OEM Hemispherical Lids for Extraction Tank

• Customization: Available
• After-sales Service: All The Time
• Warranty: 3 Year
• Model NO.: JON-1001
• Function: Storage Pressure Vessel
• Application: Liquid
• Material: Stainless Steel
• Pressure: 1.5~3bar
• Storage Medium: Beer, Dairy, Beverage, Pharmacy
• Pressure Level: 1.5~3bar
• Condition: New
• Polishing: Mirror Polished,Dull
• Availabe Connection: Quick-Installed,Welded,Threaded
• Material Quality: AISI304(1.4301)/316L(1.4404)
• Gasket Material & Color: Silicon & EPDM;White,Red,Black
• Temperature Range: -20degree Celsius~135degree Celsius
• Transport Package: Wooden Case
• Specification: 1/2"-12"
• Trademark: JONENG
• Origin: China
• HS Code: 8413190000
• Production Capacity: 500pic/Month
• Package Size: 60.00cm * 60.00cm * 40.00cm
• Package Gross Weight: 20.000kg
• Lead Time: 7 days (1 - 10 Pieces) ; To be negotiated ( > 10 Pieces)

Product Description

Stainless Steel Sanitary Anti-Corrosion OEM Hemispherical Lids for Extraction Tank

Our sanitary hemispherical lids are engineered for hygienic safety, corrosion resistance, and robust performance in extraction, mixing, and storage tank applications. Designed with precision sanitary standards, these lids ensure long-term durability, leak-free sealing, and optimal contamination prevention, making them ideal for food & beverage, dairy, pharmaceutical, biotechnology, and chemical industries.

We provide a specialized range of hemispherical tank lids to meet diverse processing requirements:

• Hygienic Dome Design - The hemispherical shape allows uniform pressure distribution and minimizes residue accumulation, ensuring easy cleaning and complete drainage.

• OEM Customization - Lids can be tailored to tank diameter, thickness, and fitting type, meeting specific process and hygienic requirements.

• Sanitary Construction - Made with smooth, crevice-free stainless steel surfaces, polished inside and out to prevent contamination and bacterial growth.

Working Principle

The stainless steel hemispherical lid covers the extraction tank, forming a tight, hygienic seal. It can be easily removed or installed for cleaning, inspection, or maintenance, ensuring system integrity and minimal downtime in high-purity processing environments.

Specifications

• Size range: Customizable to tank diameters (OEM options available)

• Connection types: Clamp, Flanged, or Welded

• Working pressure: Up to 10 bar

• Working temperature: -20°C ~ 200°C

• Surface finish: Mirror polished inside & outside, Ra ≤ 0.8μm

• Applicable media: Food, beverages, dairy, biopharma, and chemical liquids

Advantages

• OEM customization for unique tank specifications

• ISO 9001, FDA, 3A, SGS compliant stainless steel for international standards

• Leak-free sealing for hygienic system integrity

• Quick installation and removal, minimizing downtime

• 20+ years of export experience ensuring reliable global cooperation

Product Description

Stainless Steel Sanitary Anti-Corrosion OEM Hemispherical Lids for Extraction Tank

1. Hygienic Sanitary Design - Constructed with smooth, crevice-free stainless steel surfaces, ensuring no residue buildup, easy cleaning, and full compliance with sanitary standards in food, beverage, dairy, and pharmaceutical systems.

2. Anti-Corrosion & Durable - Made from premium stainless steel, offering excellent corrosion resistance, long service life, and stable performance under high temperature and chemical exposure.

3. OEM Customization - Available in custom diameters, thicknesses, and connection types to meet specific extraction tank requirements and process conditions.

• Leak-Free Sealing - Features a precision-engineered sealing design that ensures tight, hygienic closure, preventing contamination and maintaining system integrity during operation.

• Easy Installation & Maintenance - Designed for quick assembly and disassembly, allowing fast cleaning, inspection, and maintenance without disrupting the tank system.

• Wide Application Range - Suitable for food, beverage, dairy, biotechnology, and chemical processing, providing hygienic safety, reliable performance, and optimal process efficiency in demanding fluid handling environments.

 

Product Parameters

 

Packaging & Shipping

FAB

Feature	Advantage	Benefit
Hygienic Design - Smooth, crevice-free stainless steel surfaces prevent bacterial growth and residue buildup. Anti-Corrosion Material - Made from premium stainless steel for long-lasting durability in corrosive environments. OEM Customization - Available in custom diameters, thicknesses, and connection types to fit any extraction tank. Mirror-Polished Finish - Interior and exterior surfaces Ra ≤ 0.8μm, ensuring easy cleaning and high sanitary standards. Leak-Free Sealing - Precision-engineered sealing ensures tight closure and contamination prevention. Easy Installation - Designed for quick assembly and disassembly, supporting efficient maintenance and inspection.	Enhanced Hygiene - Smooth surfaces and tight sealing minimize contamination risk in sensitive processes. Long-Term Durability - Stainless steel construction ensures resistance to corrosion, pressure, and high temperatures. Flexible Design Options - OEM customization allows adaptation to specific tank and process requirements. Time-Saving Maintenance - Tool-free removal enables rapid cleaning, inspection, or replacement. Wide Industry Application - Suitable for food, beverage, dairy, biotech, and chemical processes. Global Compliance - Meets ISO, FDA, and 3A standards, ensuring safe and reliable international use.	Hygienic Safety - Reduces bacterial contamination and maintains high-quality production standards. Operational Reliability - Prevents leaks and ensures continuous, trouble-free operation. Cost Efficiency - Durable material and easy maintenance reduce downtime and replacement costs. Custom Fit - Tailored dimensions and fittings provide perfect integration with existing tanks and systems. Enhanced Productivity - Quick cleaning and installation allow faster turnaround and higher process efficiency. International Market Ready - Fully compliant materials and construction facilitate global export and usage.

 

 

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Company Profile

 

 

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JoNeng was established in July 2007, located in Wenzhou, China. Totally 100 nos of workers and the factory Covers 7000m2. Till now, we have 50 sets of LG Mazak machines, local CNC machines,automatic machining unit.We have the full inspecting quality control equipment: 1nos Ra roughness instrument, 3nos stainless steel spectrometer,roundness instrument,thickness instrument, radius instrument, 3 nos pressure testing center.
We have three manufacturing factories under Joneng enterprise.
Jiayuan is especially into elbow, tee, reducer,manifolds,fittings in both sanitary grade and schedule grade ;
Lingdong is focusing into ferrule, union, sight glass, butterfly valves which are produced from CNC machines;
Ezo is into manhole covers, hoppers and small tanks.

We mainly manufacture:
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Stainless steel mixing tank, storage tank, reactors...

The products are produced according to SMS, DIN, AS, BS, BPE, JIS,JIS, ISO,ANSI B16.5, ASME and other standards. They also can be customized. Our products have been exported to dozens of
countries and regions such as Europe, America, Middle East,Australia,Turkey, Iran,Thailand... more than 100 countries.
Joneng is approved with CE, PED, ISO9001, ISO14001 quality management system. The products are complied with FDA certificate.
The product can be widely used in Dairy, Beer, Wine,Beverage, Food, medicine, Chemical,Water Treatment and other fields.
JoNeng always insist in "What we say, What we do". Our goal is to make a centennial factory. We always believe honesty and responsibility is the only way leading to long term business relationship. Wishing to have a cooperation with you for more than 10 years.

More advantages of the company:
√ 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.

 

 

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

Certifications

FAQ

 

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. How many factories do you have?
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.

5. 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. 

6. How long is your delivery time? 
For normal products in 7-10 days; For bulk order, in 15-25 days. It depends. 

7. 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. 

8. 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. 

9. Free sample? 
Free samples can be provided for first cooperation under sincere cooperation. 

10. What is the MOQ? 
1PCS MOQ is welcome for starting cooperatoon

11. Material certificate? 
Material certificaite, mill certificate, pressure testing certificate, roughness certificate, measure certificate, RT certificate, ...Can be available, please declare when inquiry us. 

12. More questions are appreciated.