Stainless Steel ASTM Standard Welded Round Matte Surface Pipe for Liquid Medium Usage
Sanitary stainless steel pipe is ingeniously crafted for industries that demand unparalleled cleanliness and hygiene, such as food, beverage, pharmaceutical, and biotechnology sectors. It boasts an impeccably smooth interior surface finish, free from crevices, effectively inhibiting bacterial growth while ensuring simple cleaning and sterilization processes. Constructed from corrosion-resistant stainless steel, these pipes guarantee product purity and robust durability, crucial for critical process applications. Designed with safety as a priority, sanitary piping ensures the protection of food products, workers, and equipment alike.
Working Principle:
Engineered to meet the rigorous demands of industries with strict hygiene and corrosion resistance needs-such as food, beverage, pharmaceuticals, and biotechnology-sanitary stainless steel pipes are available in seamless or welded forms. Crafted from superior stainless steel grades like 304 and 316L, these pipes feature a polished, smooth interior surface that significantly reduces bacterial and debris buildup, facilitating effortless cleaning and sterilization. Their hygienic architecture incorporates crevice-free welds, smooth bends, and reliable fittings such as tri-clamp or butt-weld connections to avert bacterial growth and uphold cleanliness. Complying with stringent standards, they provide outstanding durability and longevity even in harsh environments, ensuring the safe and uncontaminated transport of fluids and gases.
Technical Specifications :
The used materials cover: 304, 304L, 316, 316Letc.
Specifications: Outer diameterφ 19.1-φ 1148.3mm, wall thickness0.6-3.0mm.
Applications:
1. Food and Beverage Processing: Employed for transporting ingredients, beverages, and processed food in sanitary conditions, safeguarding product quality and safety.
2. Pharmaceutical Manufacturing: Critical for conveying pharmaceutical ingredients and finished products, preserving sterile environments to satisfy stringent regulatory demands.
3. Biotechnology: Vital in bioprocessing applications for transferring cultures, media, and biopharmaceuticals under sterile conditions to avert contamination.
4. Cosmetics: Facilitates the transportation of cosmetic ingredients and formulations in hygienic settings to ensure product purity and consistency.
5. Dairy Industry: Essential for handling milk and dairy products, upholding cleanliness, and preventing bacterial contamination.
6. Chemical Processing: Perfect for transferring chemicals and specialty fluids that necessitate corrosion-resistant materials and sterile handling.
7. Water Treatment: Integral to sanitary water treatment systems, ensuring a safe and clean water supply without compromising quality.
8. Medical and Laboratory Equipment: Used in medical and laboratory equipment for fluid handling, maintaining sterile conditions in diagnostic and research settings.
Features:
1. Smooth Surface Finish: Featuring a polished interior surface, these pipes minimize friction and prevent particle accumulation, facilitating easy cleaning and significantly reducing the risk of bacterial growth.
2. Corrosion Resistance: Crafted from premium, high-quality stainless steel, these pipes are engineered to resist corrosion, providing unparalleled durability and longevity even in the most demanding environments.
3. Hygienic Design: Expertly designed with a focus on hygiene, these pipes have no dead zones or crevices, preventing contaminant accumulation and ensuring the highest sanitary conditions for handling sensitive fluids and products.
4. Compatibility: These pipes guarantee compatibility with a diverse array of fluids, encompassing food, pharmaceuticals, chemicals, and water, all while maintaining the highest standards of product quality and safety.
5. Compliance: Purposefully manufactured to comply with stringent regulatory standards including FDA, USDA, and 3A, ensuring safety and hygiene across industries such as food processing, pharmaceuticals, and biotechnology.
6. High Strength: With superior stainless steel construction, these pipes offer remarkable strength and structural integrity, capable of enduring high pressures and temperatures typically encountered in industrial settings.
7. Versatility: These pipes are incredibly adaptable, suitable for an extensive range of applications across various industries, from transporting process fluids to managing critical components in sanitary systems.
8. Easy Installation and Maintenance: Designed for ease of installation and maintenance, these pipes enhance operational efficiency, significantly reducing downtime and ensuring seamless operations.
Outer Diameter |
Seamless Pipe: 4mm-812.80mm |
Welded Pipe: single slit (8mm-630mm);girth(630mm-3000mm), |
Thickness |
Seamless Pipe: 0.3mm-60mm (SCH10S-XXS) |
Welded Pipe: single slit (.05mm-25mm);girth(3mm-45mm), |
Length |
6m 5.8m, 8m, 11.8m, 12m, 13m or as required |
Tolerance |
According to the standard |
Surface |
180G,320G, 400G Satin/Hairline |
400G, 500G, 600G or 8OOG Mirror finish |
Test |
UT,ET,HT,RT, ect and others according to the standard or as per customer request |
Certificate |
ISO9001-2008, ASME, PED |
Steel Grade |
200 Series: 201,202 300 Series: 301, 304, 304L, 316, 316L, 316Ti, 309, 310, 317,321 400 Series: 409, 410, 420, 430, 436, 444, 441, 440c Duplex Steel : 904L, 2205, 2507, 2101, 2520, 2304 |
Manufacturing Method |
Cold Rolled, Hot Rolled |
Manufacturing Technique |
Seamless,Welded(ERW, EFW, Seamless, Spiral Welded) |
Shape |
Round, Square, Rectangular, Oval |
Surface |
Pickling, annealing, polishing, bright, sand blast, hair line,Primary, Bright Polished, Mirror |
Standards: |
ASTM A213M-94b, ASTM A249M-94a, ASTM A269-94a, ASTM A312M-94b, etc. |
DIN 17456-85 DIN 17458-85 DIN 17459-92 etc. |
JIS G3446-1994 JIS G3448-1997 JIS G3459-1997 JIS G3463-1994 etc. |
GB13296-1991 GB14975-2002 GB14976-2002 etc. |

JoNeng was established in July 2007, nestled in the heart of Wenzhou, China. With approximately 100 dedicated workers, the factory spans a substantial 6800 square meters.
Our enterprise boasts three specialized manufacturing facilities: Jiayuan focuses on elbow, tee, and reducer fittings in both sanitary and schedule grades; Lingdong specializes in ferrule, union, sight glass, and butterfly valves produced with precision CNC machines; Ezo is dedicated to crafting manhole covers and small tanks.
We mainly manufacture:
Stainless steel butterfly valves, ball valves, check valves, CPM valves, diaphragm valves.
Stainless steel sanitary & industrial grade elbow, tee, reducer, ferrule, and union fittings.
Stainless steel sight glass, spray ball, manhole cover, flanges, strainers, filters, and pipe clamps.
Stainless steel centrifugal pumps, CIP pumps, emulsifying pumps, and rotary pumps.
Our products are crafted in accordance with SMS, DIN, AS, BS, BPE, JIS, ISO, ANSI B16.5, ASME standards, and other specifications. Customization options are available. Our offerings have reached a global audience, exported to dozens of countries and regions.
Countries and regions including Europe, America, Middle East, Australia, Turkey, Iran, Thailand, and over 100 more have received our products.
JoNeng is accredited with CE, PED, and ISO 9001 quality management systems. Our products are FDA certified, ensuring compliance with stringent standards.
Our products find versatile applications in diverse sectors such as Dairy, Beer, Wine, Beverage, Food, Medicine, Chemical, Water Treatment, and beyond.
JoNeng steadfastly upholds the philosophy of 'What we say, What we do.' Our ambitious goal is to build a centennial legacy of factory excellence.
Three PMI machines meticulously inspect the chemical composition of raw materials, semi-finished, and final products, ensuring no mix-up issues occur.
A single roughness machine is deployed to meticulously verify the product surface finish.
- We maintain an extensive inventory of pipe fittings, including stainless steel elbows, tees, reducers, unions, ferrules, butterfly valves, check valves, ball valves, enabling rapid delivery.
We commit to addressing quality complaints with prompt, 24-hour actions ensuring customer satisfaction and product excellence.
Experience the pinnacle of durability with our stainless steel components, backed by an unwavering 3-year guarantee, ensuring you peace of mind without exception. Should any quality concerns arise regarding our top-tier valves and fittings, simply reach out to us - a swift, 24-hour response is our commitment to you.
√ Celebrating 17 years of unparalleled expertise and innovation in the industry
√ Encompassing an expansive 6800m2 of advanced production facilities
√ Empowering a dedicated team of 100 skilled professionals
√ Proud to connect with over 100 countries worldwide
√ Partnering with more than 1000 esteemed collaborators globally

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 |
FAQ:
1. Are you a trading company or a manufacturing factory?
We are a proud manufacturer factory with the added advantage of holding our own export license, ensuring seamless global reach.
2. Do you hold any certifications?
Indeed, we are equipped with ISO, FDA, LFGB, CE, and PED certifications, complemented by several innovative design patents.
3. How is quality control managed?
Our quality control emphasizes the prevention of any material mixing, a cornerstone of our process.
Our stringent quality assurance is supported by 3 spectro PMI machines strategically stationed across our raw material warehouse, production plant, and dispatch plant.
Our inspection arsenal includes pressure inspecting machines, PMI machines, RA roughness specters, and hardness testing machines, ensuring meticulous quality assessments.
A dedicated team of 2 inspectors ensures quality throughout production across various sections.
A vigilant team of 5 inspectors rigorously evaluates finished products to prevent deficiencies, subpar quality, and chemical inconsistencies.
4. How do you address any quality issues?
We take immense pride in retaining our clientele, acknowledging that while we strive for perfection, occasional issues may arise.
Our resolution policy includes replacement, compensation, or resending goods according to the specific situation, thoughtfully discussed with the customer.
5. What is your delivery timeline?
Expect prompt delivery within 7-10 days for standard products, and 15-25 days for bulk orders, tailored to specific requirements.
6. What is the warranty period?
Our stainless steel products come with a robust 3-year warranty, excluding gaskets or parts prone to wear, which vary based on customer applications.
7. Why place your trust with us?
Fourteen years of industry leadership have honed our professionalism and earned us a stellar reputation in the market.
Our cutting-edge machines stand as a testament to our unwavering commitment to quality and responsibility.
8. Is there an option for a free sample?
We gladly offer free samples to foster initial collaborations grounded in sincere cooperation.
9. What is your Minimum Order Quantity (MOQ)?
We welcome an MOQ of just 1 piece, making it easy to commence new partnerships.
10. Do you provide material certificates?
Yes, we can provide material certificates, mill certificates, pressure testing certificates, roughness certificates, measurement certificates, RT certificates, and more upon request during inquiry.
11. We welcome further inquiries and are eager to assist with any additional questions.