Stainless Steel Polished Annealed Tubing Welded Pipe for Liquid Applications
Meticulously designed for sectors that demand unparalleled cleanliness and hygiene, the sanitary stainless steel pipe excels in food, beverage, pharmaceutical, and biotechnology industries. Its impeccably smooth interior surface is crafted to eliminate crevices, preventing bacterial proliferation and simplifying cleaning and sterilization processes. Constructed from corrosion-resistant stainless steel, these pipes guarantee product purity and exceptional durability, crucial for high-stakes applications. The design prioritizes safety, ensuring the protection of both the product and equipment, while upholding rigorous industry standards.
Working Principle:
Sanitary stainless steel pipe stands as the benchmark for industries where rigorous hygiene and corrosion resistance are paramount-ideal for food, beverage, pharmaceuticals, and biotechnology. Available in both seamless and welded forms, these pipes are crafted from premium stainless steel grades like 304 and 316L. With a polished, crevice-free interior, they minimize bacteria accumulation and ensure ease of cleaning and sterilization. Their design includes smooth bends and secure, hygienic connections such as tri-clamp and butt-weld, preventing bacterial growth and maintaining cleanliness. Adhering to stringent standards, these pipes promise unmatched durability and longevity, facilitating the safe, untainted transport of fluids and gases.
Technical Specifications :
Materials employed include high-quality stainless steel types: 304, 304L, 316, 316L, and more.
Specifications: Outer diameter ranges from φ 19.1mm to φ 1148.3mm, with wall thickness options between 0.6mm and 3.0mm.
Applications:
1. Food and Beverage Processing: Ensuring the pristine transport of ingredients, beverages, and processed foods, maintaining impeccable product quality and safety standards.
2. Pharmaceutical Manufacturing: Integral for transferring pharmaceutical ingredients and finished products, upholding sterile environments to satisfy stringent regulatory demands.
3. Biotechnology: Crucial in bioprocessing applications, facilitating the sterile transfer of cultures, media, and biopharmaceutical products to prevent contamination.
4. Cosmetics: Essential in transporting cosmetic ingredients and formulations within hygienic environments, assuring product purity and consistency.
5. Dairy Industry: Critical for handling milk and dairy products, preserving cleanliness and preventing bacterial contamination.
6. Chemical Processing: Perfect for the transfer of chemicals and specialty fluids, requiring materials that resist corrosion and maintain sterile handling.
7. Water Treatment: Deploys in sanitary water treatment systems, ensuring a safe and clean water supply, uncompromised in quality.
8. Medical and Laboratory Equipment: Vital in medical and laboratory equipment for fluid handling, maintaining pristine sterile conditions in diagnostic and research environments.
Features:
1. Smooth Surface Finish: Boasting a polished interior, these pipes reduce friction and inhibit particle build-up, facilitating effortless cleaning and minimizing bacterial risks.
2. Corrosion Resistance: Made from high-quality stainless steel, these pipes are resistant to corrosion, ensuring durability and longevity even in harsh environments.
3. Hygienic Design: Designed without dead zones or crevices where contaminants can accumulate, ensuring sanitary conditions for handling sensitive fluids and products.
4. Compatibility: They are compatible with a wide range of fluids, including food, pharmaceuticals, chemicals, and water, without compromising product quality or safety.
5. Compliance: Manufactured to meet stringent regulatory standards (e.g., FDA, USDA, 3A) for hygiene and safety in industries such as food processing, pharmaceuticals, and biotechnology.
6. High Strength: Stainless steel provides strength and structural integrity, allowing these pipes to withstand high pressures and temperatures typically encountered in industrial applications.
7. Versatility: Suitable for various applications across different industries, from transporting process fluids to handling critical components in sanitary systems.
8. Easy Installation and Maintenance: Designed for straightforward installation and maintenance, contributing to operational efficiency and reducing downtime.
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, located in Wenzhou, China. Totally around 100 nos of workers and the factory Covers 6800m2.
We have three manufacturing factories under Joneng enterprise. Jiayuan is especially into elbow, tee, reducer 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 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, union fittings ;
Stainless steel sight glass, spray ball, manhole cover, flanges,strainers, filters,pipe clamps;
Stainless steel centrifugal pumps, CIP pump, emulsifying pump, rotary pumps;
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, ISO 9001 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.
3 PMI machines to inspect the chemical for raw materials, semi finished products and final products to avoid mixing issue.
1 nos of roughness machine to check the surface of the products.
- We keep huge stock for pipe fittings( stainless steel elbow, tee, reducers) , union, ferrules, butterfly valves, check valves, ball valves....so we can delivery the goods in fast way.
24 hours' action for quality complaints
We stand firmly by the quality of our stainless steel parts with an unwavering 3-year guarantee. Should any quality concerns arise with our valves and fittings, please reach out to us immediately. Our dedicated team is committed to addressing your concerns within 24 hours.
√ With over 17 years of invaluable experience
√ Spanning a vast 6800m² facility
√ Supported by a dedicated team of 100 skilled employees
√ Proudly operating in over 100 countries worldwide
√ Collaborated with over 1000 esteemed partners

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 factory?
We are a distinguished manufacturer and factory with the added advantage of holding our own export license.
2. Do you have certifications?
Absolutely, we are certified with ISO, FDA, LFGB, CE, and PED, along with several innovative design patents.
3. How do you ensure quality control?
Our top priority in quality control is to meticulously prevent any material mixing.
We employ 3 state-of-the-art spectro PMI machines strategically placed in our raw material warehouse, production plant, and dispatch plant.
With the aid of our pressure inspecting machine, PMI machines, RA roughness spector, and hardness testing machine, we ensure stringent inspection at every stage.
Two dedicated staff members are responsible for inspecting during production across various sections.
Five meticulous staff members inspect the finished products to avert shortages, poor quality, or chemical mixing.
4. How do you resolve any quality issues?
We take immense pride in maintaining our customer loyalty. While we strive for excellence, some quality issues might arise.
Typically, we offer replacements, compensation, or resend goods based on the specific condition. Each situation is discussed individually.
5. What is your delivery timeline?
For standard products, our delivery timeline is 7-10 days. Bulk orders are fulfilled within 15-25 days, depending on the specifics.
6. What is the warranty period?
Our stainless steel products come with a comprehensive 3-year warranty. Gaskets and easily breakable parts are exceptions due to varying customer applications.
7. Why should you trust us?
With 14 years of industry expertise, we have established a sterling reputation and professionalism in the market.
Our advanced machinery underscores our commitment to responsibility and quality assurance.
8. Do you offer free samples?
We are pleased to offer free samples during initial, sincere cooperation to demonstrate our dedication.
9. What is the minimum order quantity (MOQ)?
Our flexible 1-piece MOQ warmly welcomes you to initiate cooperation with ease.
10. Do you provide material certificates?
Yes, we offer a comprehensive suite of certificates, including material, mill, pressure testing, roughness, measurement, and RT certificates. Please specify your requirements when inquiring.
11. We welcome further inquiries and are eager to assist.