Stainless Steel ANSI 90 Degree Seamless Vacuum Pipeline Elbow

• Customization: Available
• Standard: DIN, JIS, BSW
• Material: Stainless Steel
• Connection: Welding
• Surface Treatment: Without Treatment
• Head Type: Round
• Size: 1/2"-12"
• Body Material: SS304,SS316L
• Impeller Surface: Mirror or Matte
• Qualified Certific: FDA
• Raw Material: Forging or Casting
• Inner Surface Finish: Ra 0.5
• Criterion: 3A, SMS,DIN, BS, Bpe
• Transport Package: Wooden Case
• Specification: 1/2"-6"
• Trademark: JONENG
• Origin: China
• HS Code: 73072900
• Production Capacity: 10000PCS/Month
• Package Size: 20.00cm * 30.00cm * 20.00cm
• Package Gross Weight: 5.000kg

Product Description

 

ANSI 304 SR Vacuum 90 Degree Pipeline Bend Elbow

ANSI 304 SR Vacuum 90 Degree Pipeline Bend Elbow is a short-radius stainless steel elbow fitting designed to change the flow direction of pipelines by 90 degrees while maintaining high mechanical strength and hygienic performance. Manufactured from ANSI-standard 304 stainless steel, it offers excellent corrosion resistance, smooth internal surfaces, and strong structural stability. The short-radius (SR) design allows compact piping layouts where space is limited, while the vacuum-rated construction ensures reliable performance under negative pressure conditions. Its precision-formed curvature minimizes turbulence, supports consistent flow behavior, and meets industrial, sanitary, and vacuum system requirements. This elbow is widely valued for durability, easy cleaning, and long service life in demanding process environments.

This 90-degree pipeline bend elbow is typically installed at pipeline turning points within vacuum conveying systems, fluid transfer lines, or process piping networks. At this position, it is used to redirect the flow path without compromising pressure integrity or system cleanliness. The elbow enables efficient routing around equipment, walls, or structural obstacles while maintaining a sealed vacuum environment. It helps stabilize flow direction, reduce stress on straight pipes, and prevent leakage under vacuum operation. In sanitary and industrial systems, it also supports orderly pipeline layouts, simplifies installation, and ensures reliable, continuous material transport across interconnected processing stages.

 

Size Range: 1/2" to 6"
Bend Angle: 45°, 90°, 180°
Connection Type: Tri-Clamp, Weld, Threaded
Surface Finish: ≤ Ra 0.8 μm (polished)
Wall Thickness: SCH5S, SCH10S (or customized)
Working Pressure: Up to 10 bar
Temperature Range: -20°C to 150°C
Material Grade: AISI 304 / 316L
Standards: DIN, SMS, 3A, ISO
 

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

  

Product Description

 

ANSI 304 SR Vacuum 90 Degree Pipeline Bend Elbow :

• The working principle relies on a precision-formed 90-degree curved channel that smoothly redirects fluid or gas flow while maintaining vacuum integrity. The short-radius geometry controls directional change without sudden expansion, helping stabilize velocity and prevent pressure imbalance during continuous operation in vacuum pipeline systems.

• Its seamless stainless steel structure withstands negative pressure conditions by evenly distributing mechanical stress along the elbow wall. This prevents deformation or collapse under vacuum, ensuring consistent flow control and reliable performance in high-demand industrial or sanitary conveying environments.

• The smooth internal surface minimizes friction and flow disturbance, allowing media to pass through efficiently despite the sharp directional change. This improves flow continuity, reduces material buildup, and supports hygienic requirements where cleanliness and process stability are critical.

• Using this elbow improves pipeline layout flexibility and space efficiency, enabling compact system design in restricted installations. It allows engineers to optimize routing around equipment while maintaining system tightness, reducing installation complexity and long-term maintenance risks.

Product Parameters

 

 

Packaging & Shipping

FAB

Feature	Advantage	Benefit
ANSI Standard Compliance - Manufactured according to ANSI dimensional standards, ensuring accurate fit and reliable interchangeability. 304 Stainless Steel Material - Constructed from high-quality SS304, offering excellent resistance to corrosion and oxidation. Short Radius 90° Design - SR bend structure enables compact pipeline layouts where installation space is limited. Vacuum-Grade Surface Finish - Smooth internal surface minimizes air retention and particle adhesion under vacuum conditions. Precision Welding Structure - Seamless forming or high-integrity welding provides uniform wall thickness and structural stability.	Stable Performance in Vacuum Systems - Designed to maintain shape integrity and sealing reliability under negative pressure. Space-Efficient Pipeline Routing - Short radius geometry allows tight directional changes without increasing system footprint. Reduced Flow Resistance - Smooth inner curvature helps maintain consistent flow behavior during directional transition. Strong Mechanical Strength - SS304 construction ensures high durability against deformation and vibration. Wide Industrial Compatibility - Suitable for food, pharmaceutical, chemical, and clean-process vacuum pipelines.	Improves System Layout Flexibility - Enables compact and efficient pipeline design in restricted installations. Enhances Vacuum System Reliability - Stable structure supports long-term, leak-free vacuum operation. Extends Service Life - Corrosion-resistant material reduces replacement frequency and maintenance costs. Ensures Clean Media Transfer - Smooth internal surface helps protect process purity and cleanliness. Supports Standardized Integration - ANSI compliance simplifies system expansion, maintenance, and part replacement.

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Company Profile

 

 

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Welcome to check our other products.
 

About us
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.

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.

 

 

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.

 

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. 

 

 

 

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