Model NO.: WMA140
Double-Acting Cylinder Type: Common Cylinder
Outside Diameter (mm): 140
Water Capacity (L): 5
Height (mm): 440
Weight (Kg): 7.6
Design Wall Thickness (mm): 4.1
Working Pressure (MPa): 15
Trademark: TPED/DOT
Transport Package: Packed by Pallets, Wrapped by PVC
Specification: TPED/DOT
Origin: Shanghai, China (Mainland)
HS Code: 7311009000
China-Made Mini Steel Nitrogen Gas Cylinder
 
1. Product Description

The industrial cylinders are all manufactured from high-quality seamless steel pipes, ensuring consistent height, smooth painting, and excellent performance. These cylinders are widely used in fields such as steel cutting, welding, electronics, and medical applications. They are designed for repeated use to store argon gas, which is primarily used in steel cutting, welding, electronics, and medical procedures.

 
Outside diameter (mm) 140
Water capacity (L) 5
Height (mm) 440
Weight (kg) 7.6
Design wall thickness (mm) 4.1
Working Pressure (MPa) 15
Material 37Mn
Head Protection Tulip Cap or Common Cap
Cylinder Color As Clients Require
Certification Provided ISO9809/TPED/DOT


China-Made Mini Steel Nitrogen Gas Cylinder

China-Made Mini Steel Nitrogen Gas Cylinder
China-Made Mini Steel Nitrogen Gas Cylinder

2. Gas Cylinder Process

China-Made Mini Steel Nitrogen Gas Cylinder
 

3. Company Profile

Based in Shanghai, SEFIC is a professional supplier of gas and gas equipment. Established in the 1990s, the company has accumulated extensive experience and is recognized as one of the top suppliers in the industry. SEFIC was among the first in the country to obtain the License for Pressure Vessel Type A2 and C2, along with ISO9001 and ISO14000 certifications, as well as being designated as a Private Hi-Tech Enterprise and a Special Equipment Manufacturer. The company offers a wide range of gas cylinders with TUV, TPED, CE, and DOT certifications.

 

SEFIC certificate of the gas cylinder

With over 30 years of experience in the gas equipment industry, SEFIC has built a strong reputation globally. Our products have been successfully used in more than 50 countries around the world. Currently, our business extends across regions including the US, EU (mainly Germany, Portugal, Romania, and Bulgaria), South America (Chile, Peru, Bolivia), and Africa (Angola, South Africa).


China-Made Mini Steel Nitrogen Gas Cylinder

SEFIC gas cylinders have served customer satisfaction from more than 50 countries

We also display common steel cylinder samples at our headquarters for customers to view and learn more about our products. If you need information on steel or aluminum cylinders, we provide catalogs and samples upon request. Feel free to contact us via phone, email, or visit our official website at www.sefic.com.cn. We look forward to serving you!

 

SEFIC gas cylinder sample display area

SEFIC has extensive experience in business operations and management, and is capable of producing various types of gas cylinders. The company holds certifications such as ISO, DOT, TC, TUV, KGS, and others. Adhering to its corporate philosophy of "regard quality as credit, credit as brand, and brand as life," SEFIC ensures safe and reliable products and services, building a strong corporate image and gaining industry recognition.

 

General situation of SEFIC gas cylinder production workshop

In 2005, SEFIC transitioned from a gas equipment manufacturer to a gas project solution provider, expanding into global markets and establishing overseas marketing teams. By offering gas equipment and technical support to new plants, the company significantly contributed to its growth.


China-Made Mini Steel Nitrogen Gas Cylinder

SEFIC sales team for foreigners

With high-quality products, competitive pricing, fast delivery, and superior service, SEFIC has earned the trust and praise of its customers. Since 2005, the company has established trade relationships with over 30,000 customers in more than 50 countries. Many of our VIP clients have visited SEFIC multiple times to discuss regional agency services. SEFIC currently operates product agency services in Italy, Saudi Arabia, South Africa, Uganda, Cambodia, Kuwait, Iran, Malaysia, and other regions. Here are the advantages of cooperating with SEFIC:

HIGH QUALITY
SEFIC implements a strict and comprehensive quality control system, ensuring that each gas cylinder meets customer requirements and is thoroughly inspected before shipment.
LOWER PRICE
SEFIC always offers competitive prices! We continuously seek ways to reduce costs and provide customers with cost-effective solutions. Partner with SEFIC – choose a trustworthy partner!
QUICK DELIVERY TIME
We are committed to ensuring safe and timely deliveries. With numerous partners, we guarantee the fastest transportation options available.
GOOD SERVICE
SEFIC offers a variety of models tailored to different standards worldwide, and we are dedicated to providing the best service. Partner with SEFIC – choose a trustworthy partner!
ORIGINAL MANUFACTURER
Partnering directly with SEFIC improves production efficiency and delivery speed for gas cylinders.
LARGE OUTPUT
SEFIC has advanced equipment to produce over 50,000 gas cylinders per month.
EXPORTING EXPERIENCE
SEFIC maintains a strict quality control system, ensuring every cylinder meets customer quality requirements and is fully inspected before shipping.
OEM ACCEPTED
We accept OEM orders, manufacturing gas cylinder handles, caps, valves, markings, and colors according to your specifications.
 

4. Contact Us

Manager: David
Tel: +86-21-6601 9677
M.P: +86-180 1766 2601
Fax: +86-21-6601 9679
Web: www.sefic.com.cn
ADD: No. 6598, Hutai Road, Baoshan District, Shanghai, China 201908

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