Based in Shanghai, SEFIC is a professional supplier of gas and gas equipment. Established in the 1990s, the company has built extensive experience and is recognized as one of the top suppliers of gas equipment globally. SEFIC was among the first in the country to obtain licenses for Pressure Vessel Type A2 and C2, along with ISO9001 and ISO14000 certifications. The company also holds Hi-Tech Enterprise status and Special Equipment Manufacturing Permits. SEFIC can supply a wide range of gas cylinders with TUV, TPED, CE, and DOT certifications.  With over 30 years of experience in the gas equipment industry, SEFIC has earned a strong global reputation. Our products have satisfied customers in more than 50 countries worldwide. Our business has expanded globally, serving regions such as the US, EU (mainly Germany, Portugal, Romania, and Bulgaria), South America (Chile, Peru, Bolivia), and Africa (Angola, South Africa). We display common steel cylinder samples at our headquarters for easy viewing by customers who want to learn more about SEFIC's product line. If you need information on steel or aluminum cylinders, we provide catalogs and samples. We welcome any calls or emails, or you can visit our official website at www.sefic.com.cn or leave a message on the product page. SEFIC is happy to assist you!  SEFIC has extensive experience in business operations and management, and possesses the capability to process various types of gas cylinders. The company has obtained certifications from the International Standardization Organization (ISO), the U.S. Department of Transportation (DOT), Canada’s TC, Germany’s TUV, and Korea’s KGS, among others. Adhering to the corporate philosophy of "regard quality as credit, credit as brand, and brand as life," and "repeat simple things with heart, quality goods come from concentration," SEFIC ensures safe and reliable products and superior service, building a strong corporate image and gaining recognition from the industry.  In 2005, SEFIC embarked on a transformation and global market expansion, evolving from a gas equipment manufacturer into a gas project solution provider. We established overseas marketing teams at our headquarters and provided gas equipment and technical support to several new plants, driving company growth. With high-quality products, competitive pricing, fast delivery times, and excellent service, SEFIC has earned the trust and praise of its customers. Since 2005, SEFIC has established trade relations with over 30,000 customers across more than 50 countries and regions. Many of our VIP clients have visited SEFIC multiple times to discuss regional agency services. Currently, SEFIC has established product agency services in Italy, Saudi Arabia, South Africa, Uganda, Cambodia, Kuwait, Iran, Malaysia, and other countries. Cooperation with SEFIC offers the following advantages: 4. Contact Us Manager: David Jiangsu Lundi Forklift Co.,Ltd. , https://www.lundilift.com
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The industrial gas cylinders are manufactured using high-quality seamless steel pipes, ensuring consistent height, smooth painting, and excellent performance. These cylinders are widely used in industries such as steel cutting, welding, electronics, and medical fields. They are designed for repeated use to store gases like argon, which is essential in various applications including welding, manufacturing, and healthcare.
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Outside diameter (mm)
140
Water capacity (L)
5
Height (mm)
470
Weight (kg)
8
Design wall thickness (mm)
3.6
Working Pressure (MPa)
20
Test pressure (MPa)
30
Material
34CrMo4
Head Protection
Tulip Cap or Common Cap
Cylinder Color
White or as Clients Require
Certification Provided
ISO9809/TPED/DOT
2. Gas Cylinder Process
3. Company Profile
 SEFIC certificate of the gas cylinder
SEFIC gas cylinders have served customer satisfaction from more than 50 countries
SEFIC gas cylinder sample display area
General situation of SEFIC gas cylinder production workshop
SEFIC sales team for foreigners
HIGH QUALITY
SEFIC implements a strict and comprehensive quality control system to ensure that each gas cylinder meets customer requirements. All cylinders are thoroughly inspected before shipment.LOWER PRICE
SEFIC always provides competitive prices! We continuously seek ways to reduce costs, offering our customers cost-effective solutions. Cooperate with SEFIC—choose a trustworthy partner!
QUICK DELIVERY TIME
We are committed to ensuring all shipments arrive safely and on time. We work with numerous partners to provide the fastest transportation options.GOOD SERVICE
SEFIC offers different series and models tailored to the standards of various countries. We are dedicated to providing the best possible service. Cooperate with SEFIC—choose a trustworthy partner!
ORIGINAL Manufacturer
Cooperating directly with SEFIC improves production efficiency and delivery speed for gas cylinders.LARGE OUTPUT
SEFIC has professional equipment for gas cylinder production. We can manufacture over 50,000 gas cylinders per month.
EXPORTING Experience
SEFIC has a strict and complete quality control system, ensuring that every gas cylinder meets customer quality requirements and is thoroughly inspected before shipment.OEM ACCEPTED
We accept OEM orders. SEFIC can produce gas cylinder handles, caps, valves, markings, and colors as per your specifications.
Tel: 0086-21-6601 9677
M.P: 0086-180 1766 2601 Fax: 0086-21-6601 9679
Web: www.sefic.com.cn
ADD: NO.6598., Hutai Road, Baoshan district, Shanghai, China 201908
Model NO.: ISO140(PED)Convex
Double-Acting Cylinder Type: Common Cylinder
Outside Diameter(mm): 140
Water Capacity(L): 5
Height(mm): 470
Weight(Kg): 8
Design Wall Thickness(mm): 3.6
Working Pressure(MPa): 20
Test Pressure(MPa): 30
Trademark: TPED/DOT
Transport Package: Packed by Pallets, Wrapped by PVC
Specification: TPED/DOT
Origin: Shanghai, China(Mainland)
HS Code: 7311009000
International Standard 5L Argon Nitrogen Oxygen Gas Cylinder
1. Product Description