Stainless Steel Line Inline Flow Tubular Sampling Tank Welded Sight Glass (JN-SG1004)
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| Customization: | Available |
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| Size: | 1"-4" |
| Body Material: | SS304, SS316L |
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Basic Info.
- Model NO.
- JN-SG1004
- Sealing Material
- Silicone, EPDM, PTFE, or NBR
- Qualified Certificate for Seal
- FDA
- MOQ
- 1PCS
- Raw Material
- Forging or Casting
- Processing Machine
- LG Mazak CNC Machine
- Standard
- SMS, ISO, as, BS, Bpe, Rjt, 3A, Idf
- Acting Mode
- Manual or Pneumatic or Electrical
- Inner Surface Finish
- Ra 0.5
- External Surface Finish
- Ra0.8
- Connection
- Weld, Clamp, Male, Female, Union, Flange
- Transport Package
- Wooden Case
- Specification
- 1"-4"
- Trademark
- JONENG
- Origin
- Wenzhou China
- HS Code
- 8481804090
- Production Capacity
- 3000pic/Month
Packaging & Delivery
- Package Size
- 20.00cm * 30.00cm * 20.00cm
- Package Gross Weight
- 5.000kg
- Lead Time
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7 days (1 - 10 Pieces)
To be negotiated ( > 10 Pieces)
Product Description
A stainless steel sight glass is a precision inline visual inspection device combining a tubular sampling chamber with a welded sight glass structure. From a sanitary-grade perspective, it is manufactured with smooth stainless steel surfaces, hygienic welds, and crevice-free design to meet food, beverage, and pharmaceutical standards, ensuring safe product contact and easy cleaning. From an industrial-grade viewpoint, it offers high mechanical strength, pressure resistance, and stable performance in continuous pipelines. The integrated sight glass allows real-time visual monitoring, while the tubular sampling design supports controlled sampling without interrupting flow, improving process transparency and operational reliability across different systems.
In sanitary applications, this product is installed inline on processing pipelines where product purity and visual confirmation are critical, such as dairy, beverage, and biotech lines, enabling safe observation and hygienic sampling during production. In industrial environments, it is positioned on chemical, water treatment, or utility pipelines to monitor flow condition, fluid clarity, and process stability. At this location, the sight glass provides direct visual verification, while the sampling section allows operators to collect representative samples, detect abnormalities early, and maintain consistent process control without shutting down the system
Size Range: DN25-DN150 or 1"-6"
Connection Type: Quick-release, Thread, Welding, Flange
Material: 304 / 316L
Glass Type: Tempered glass, Borosilicate glass
Pressure Range: 0-10 bar (customizable higher)
Temperature Range: -20°C to 150°C (depending on glass and seal material)
Seal Material: EPDM, PTFE, Silicone
Optional Light: Optional LED light sight glass
| Tubular Sight Glass | Union Type Sight Glass (DIN 11851/SMS) | Flange-Type Viewing Sight Glass with LED | Sight Glass with Wiper | |
| Specifications/ Sizes | Sizes 1"-4" (DN25-DN100); working pressure typically up to ~10 bar (150 psi) | DN40-DN80 typical (up to DN150 available); surface finish ≤0.8 μm Ra | Flanged mount (ANSI/DIN); pressure per nozzle class | DN50-DN150 common; pressure up to ~10 bar; temp up to ~150 °C; manual wiper clears viewing pane during operation. |
| Working Principles | Transparent borosilicate tube installed inline for continuous visual inspection of flow. | Threaded union clamps glass disc between male/female ends for sanitary pipelines. | Flanged sight window on vessel/nozzle, paired with LED light for illumination. | Rotary or reciprocating external wiper sweeps inner glass face to remove condensate/films. |
| Key Features | Unobstructed sightline, easy CIP/SIP (depending on model), clamp or union ends. | Hygienic union connection; quick disassembly; optional wiper or light. | Integrated or bolt-on LED (non-Ex or Ex-rated); wiper optional; improved visibility in dark vessels. | Maintains visibility with foaming/viscous fluids; retrofit kits available; optional light port. |
| Suitable Application | Unobstructed sightline, easy CIP/SIP (depending on model), clamp or union ends. | Dairy standards lines, fermenters, filters, reactors. | Tanks, reactors, dark or foaming processes; ATEX areas with Ex-rated lights. | Brewing, sauces, syrups, crystallizers, emulsions-anywhere fouling blocks view. |
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Hygienic design ensures contamination-free sampling for food, beverage, and pharmaceutical liquids, maintaining high product safety, quality, and sanitary standards throughout the process.
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Welded sight glass provides clear visual monitoring, allowing operators to precisely observe liquid flow and sampling accuracy in sanitary environments.
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Smooth interior surfaces enable easy cleaning and sterilization, minimizing residue buildup and ensuring compliance with strict hygiene regulations.
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Robust stainless steel construction withstands high pressure and temperature, making it suitable for demanding industrial applications and chemical pipelines.
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Inline tubular design maintains consistent flow and accurate sampling, improving efficiency and process control in large-scale industrial operations.
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Integrated sight glass allows real-time inspection, reducing operational errors, downtime, and maintenance needs while supporting precise monitoring in industrial liquid handling.
Feature |
Advantage | Benefit |
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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.
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.
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.
concerns
√ 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 |
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| 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 | |
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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