Stainless Steel Versatile Welded pipe for Efficient Liquid Flow Control
The sanitary stainless steel pipe is crafted for industries demanding the utmost in cleanliness and hygiene, including food, beverage, pharmaceutical, and biotechnology domains. The pipe boasts a pristine, smooth interior that lacks crevices, effectively preventing bacterial proliferation and ensuring effortless cleaning and sterilization. Constructed from corrosion-resistant stainless steel, these pipes guarantee product purity and durability in critical processing environments. Thoughtfully designed with safety in mind, they protect the food product, personnel, and equipment alike.
Working Principle:
Sanitary stainless steel pipes cater to industries with rigorous demands for hygiene and corrosion resistance, such as food, beverage, pharmaceuticals, and biotechnology. Available in seamless or welded forms, these pipes are crafted from premium stainless steel grades like 304 and 316L. Their polished, smooth interiors are engineered to minimize bacterial adhesion and debris accumulation, supporting easy cleaning and sterilization. The hygienic design features crevice-free welds, smooth bends, and secure connections such as tri-clamp or butt-weld fittings to avert bacterial growth and ensure pristine conditions. Built to meet strict standards, they deliver exceptional durability and longevity even in demanding environments, ensuring the safe transport of fluids and gases while preserving product purity and integrity.
Technical Specifications :
The utilized materials include: 304, 304L, 316, 316L, etc.
Specifications: Outer diameter ranges from φ 19.1mm to φ 1148.3mm with a wall thickness of 0.6mm to 3.0mm.
Applications:
1. Food and Beverage Processing: These pipes are integral for transporting ingredients, beverages, and processed foods under sanitary conditions, ensuring quality and safety throughout the process.
2. Pharmaceutical Manufacturing: Crucial for conveying pharmaceutical ingredients and finished products, these pipes maintain sterile environments to adhere to stringent regulatory standards.
3. Biotechnology: Employed in bioprocessing applications, they enable the transfer of cultures, media, and biopharmaceutical products under sterile conditions, preventing contamination.
4. Cosmetics: Ensure the transportation of cosmetic ingredients and formulations in hygienic settings, preserving product purity and consistency.
5. Dairy Industry: Facilitates the handling of milk and dairy products, maintaining cleanliness and preventing bacterial contamination.
6. Chemical Processing: Ideal for transferring chemicals and specialty fluids, these pipes require corrosion-resistant materials and sterile handling.
7. Water Treatment: Employed in sanitary water treatment systems, they assure a safe and clean water supply without sacrificing quality.
8. Medical and Laboratory Equipment: Used in medical and laboratory settings for fluid handling, these pipes help maintain sterile conditions crucial for diagnostic and research operations.
Features:
1. Smooth Surface Finish: The pipes feature a polished interior surface designed to minimize friction and prevent particle buildup, facilitating easy cleaning and reducing the risk of bacterial growth.
2. Corrosion Resistance: Crafted with precision from premium-grade stainless steel, these pipes boast exceptional resistance to corrosion, ensuring remarkable durability and prolonged lifespan even in the most challenging environments.
3. Hygienic Design: Ingeniously engineered with a seamless design that eliminates dead zones or crevices where contaminants might gather, maintaining impeccable sanitary conditions ideal for handling sensitive fluids and products.
4. Compatibility: These pipes are harmoniously compatible with a diverse array of fluids, including food products, pharmaceuticals, chemicals, and water, always ensuring the highest standards of product quality and safety are upheld.
5. Compliance: Expertly manufactured to adhere to rigorous regulatory standards, such as FDA, USDA, and 3A, guaranteeing hygiene and safety in vital industries like food processing, pharmaceuticals, and biotechnology.
6. High Strength: The integration of stainless steel imparts unparalleled strength and structural integrity, empowering these pipes to endure high pressures and temperatures characteristic of demanding industrial settings.
7. Versatility: Exceptionally versatile, these pipes are apt for numerous applications across various industries, from the efficient transport of process fluids to the handling of essential components in sanitary systems.
8. Easy Installation and Maintenance: Thoughtfully designed to facilitate straightforward installation and maintenance, these pipes contribute significantly to operational efficiency and minimize downtime, ensuring seamless productivity.
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, strategically located in Wenzhou, China. The company proudly employs around 100 skilled workers and operates from a factory encompassing a vast 6800m2 area.
Joneng enterprise encompasses three specialized manufacturing factories: Jiayuan, which excels in producing elbow, tee, and reducer fittings in both sanitary and schedule grades; Lingdong, renowned for crafting ferrule, union, sight glass, and butterfly valves using advanced CNC machinery; and Ezo, which focuses on precision manufacturing of manhole covers and small tanks.
We mainly manufacture:
Stainless steel butterfly valves, ball valves, check valves, CPM valves, diaphragm valves, designed for optimal performance and reliability;
Stainless steel sanitary and industrial grade elbow, tee, reducer, ferrule, and union fittings, engineered for versatility and precision;
Stainless steel sight glass, spray ball, manhole cover, flanges, strainers, filters, and pipe clamps, all meticulously crafted for diverse applications;
Stainless steel centrifugal pumps, CIP pumps, emulsifying pumps, and rotary pumps, tailored for efficiency and robustness in demanding environments;
Our products are meticulously produced in accordance with a spectrum of standards, including SMS, DIN, AS, BS, BPE, JIS, JIS, ISO, ANSI B16.5, and ASME. They are fully customizable, and our exceptional products have been exported to a multitude of countries and regions, fostering global reach.
Our extensive global presence spans over 100 countries, including Europe, America, the Middle East, Australia, Turkey, Iran, and Thailand, showcasing our widespread appeal and market penetration.
Joneng proudly holds approvals for CE, PED, ISO 9001 quality management systems, and our products are manufactured in compliance with FDA certifications, ensuring unparalleled quality and safety.
Our products find extensive applications in various fields, such as Dairy, Beer, Wine, Beverage, Food, Medicine, Chemical, Water Treatment, and more, demonstrating their adaptability and comprehensive utility.
JoNeng unwaveringly adheres to the principle of 'What we say, What we do.' Our aspirational goal is to establish a century-long legacy as a benchmark for excellence in the industry.
We employ three state-of-the-art PMI machines to meticulously inspect the chemical composition of raw materials, semi-finished products, and final products, ensuring absolute consistency and eliminating mixing issues.
Our infrastructure includes one precision roughness machine dedicated to meticulously verifying the surface quality of our products, ensuring they meet the highest standards.
- Our vast inventory includes an extensive stock of pipe fittings, such as stainless steel elbows, tees, reducers, unions, ferrules, and various valves, enabling us to deliver goods with unmatched speed and efficiency.
We are committed to an unwavering 24-hour response policy for any quality complaints, ensuring prompt action and customer satisfaction.
We proudly offer an unwavering 3-year guarantee on all stainless steel components, ensuring peace of mind without exception. Any concerns regarding the quality of our valves and fittings will be promptly addressed. Please reach out to us, and we guarantee a response within 24 hours.
√ A wealth of expertise with 17 years of experience
√ Spanning a vast 6800m²
√ Backed by a team of 100 dedicated employees
√ Serving over 100 countries worldwide
√ Building strong partnerships with 1000+ collaborators

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 factory?
We proudly operate as a manufacturing factory and hold our own export license, ensuring quality and control.
2. Do you have certifications?
Absolutely! We possess ISO, FDA, LFGB, CE, and PED certifications, along with innovative design patents.
3. How do you ensure quality control?
Our top priority in quality control is preventing material mixing, ensuring product integrity.
We utilize 3 spectro PMI machines strategically located in our raw material warehouse, production, and dispatch areas.
Our rigorous inspection process employs pressure testing machines, PMI devices, RA roughness spectrometers, and hardness testers, among others.
Dedicated quality control with 2 staff inspecting different sections during production.
A thorough final inspection by 5 staff members ensures no shortages, poor quality, or chemical mix-ups.
4. How do you address any quality issues?
We pride ourselves on customer loyalty, ensuring no one leaves us dissatisfied. Although not perfect, we address quality issues effectively.
Standard solutions include replacement, compensation, or resending goods, tailored to the specific situation.
5. What is your delivery timeframe?
Standard products ship within 7-10 days; bulk orders take 15-25 days, subject to order specifics.
6. What is the warranty period?
We offer a 3-year warranty on all stainless steel products, excluding gaskets or parts prone to breakage due to varied applications.
7. Why place your trust in us?
With 14 years in the industry, we deliver professionalism and a solid reputation built on trust.
Our state-of-the-art machines underscore our commitment to responsibility and quality.
8. Are free samples available?
Indeed, we provide free samples for initial sincere cooperation to foster lasting relationships.
9. What is your MOQ?
We wholeheartedly welcome an MOQ of just 1 piece to commence collaboration.
10. Do you provide material certificates?
Yes, available upon request are material, mill, pressure testing, roughness, measurement, and RT certificates.
11. We welcome further inquiries and look forward to your questions.