EN2642 EN1092-1 PN10 Forged Stainless Steel Loose /Lap Joint Flange
The Loose flange types to fit elbows, valves and nearly every type of pipeline component in use. The Loose flange is a device that is welded onto the end of a piece of pipe to create half of a flanged coupling. Consisting of flat steel forging with bolt holes around the perimeter and an opening in the center the size of the pipe that is intended to be welded onto A loose flange, the component can be made of carbon steel or stainless steel to meet the intended application.
Product Description
ASME B16.5 Loose flange Size Chart |
1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
Loose flange Standards |
ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
UNI |
6Bar 10Bar 16Bar 25Bar 40Bar |
EN |
6Bar 10Bar 16Bar 25Bar 40Bar |
Loose flange Pressure Rating ANSI |
Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
Loose flange Pressure Calculation in DIN |
6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
JIS |
5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
Test Certificates |
EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
Coating |
Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
Most common types of Loose flange |
forged / Threaded / Screwed / Plate |
Production technique |
- forged, Heat treated and machined
|
Connect Type/ Flange Face Type |
Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF) |
Detailed Photos
Product Parameters

Company Profile

TOBO INDUSTRY (SHANGHAI) CO., LTD Located in Baolong Center, Jiading District, Shanghai, the company has 5 factories to provide customers with the products they need, and the group factory covers an area of 800 acres As a Top 10 in the field of pipe flange manufacturing, the company has been committed to providing high-quality pipe flanges to customers around the world for many years. Since its establishment in 1984, the company has stood out in the fierce market competition by virtue of its profound understanding of the industry and continuous technological innovation.
The company has 15 sets of advanced production equipments and 6 product production lines. From raw material inspection to product molding, every step of the process strictly follows international standards and industry norms. Our pipe fitting flange products cover a wide range of types and specifications, which can meet the diversified needs of different customers in the fields of petroleum, chemical industry, electric power, construction and so on. The quality of our products is stable and reliable, with excellent performance in key performance indicators such as corrosion resistance and compression resistance, which are trusted by our customers.
In terms of product research and development, the company has its own team of engineers, who have been engaged in research and development positions for 5-8 years, and are able to solve the problems and difficulties we may encounter in product production and sample processing in real time.
In addition to product quality and technological innovation, the company also focuses on customer service. We have established a perfect pre-sale, sale and after-sale service system to provide customers with all-round support. Whether it is product consultation, order processing or after-sales maintenance, we can make our customers feel our professionalism and attentiveness.
Looking to the future, TOBO INDUSTRY (SHANGHAI) CO., LTD. will continue to uphold the business philosophy of "quality first, customer first, innovation and development", and constantly improve its own strength to provide customers around the world with better quality pipe fitting flange products and services, and contribute more to the development of the industry.
Our Advantages


FAQ
Q1.What is your advantage?
A: Honest business with competitive price and professional service on export process.
Q2.How I believe you?
A : We consider honest as the life of our company, we can tell you the contact information of our some other clients for you to check our credit.
Q3.Can you give warranty of your products?
A: Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.
Q4.Where are you? Can I visit you?
A: Sure,welcome to you visit our factory at any time.
Q5.How about the delivery time?
A: Within 15-35 days after we confirm you requirement.
Q6.what kind of payment do your company support?
A: T/T, L/C , Cash, Western Union are all accepted,if you have other payment,please contact me.
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