72" Wholesale/Titanium Wn/Stainless Steel/Ss/304/316/316L/ RF/Forged /Blind/Weld-on/Slip-on/Weld Neck/Bsp/NPT/Threaded Screw/Pipe Fitting/Lap Joint Flanges
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Product Highlights
- OEM & ODM Support: Accepts OEM and ODM services with design support and customization from samples or designs.
- Wide Pressure Range: Available in pressure ratings from PN6 to PN63, covering 15# to 2500# standards.
- Large Production Capacity: Weekly production capacity of 300 tons with precision CNC lathes and machining centers.
- International Standards: Complies with ANSI, DIN, GB, JIS, GOST, and BSW standards for global compatibility.
- Fast Response Service: Technical support and replies provided within 24 hours for all inquiries.
- ISO Certified Quality: Manufacturing process certified under ISO9001:2015, ISO45001:2018, and ISO14001.
- Flexible MOQ: Minimum Order Quantity starts from 1 piece for normal and standard products.
- Comprehensive Export Certs: Provides FORM E, Certificate of Origin, and NACE material certificates upon request.
Product Attributes
- Customization
- Available
- Standard
- ANSI, DIN, GB, JIS, GOST, BSW
- Type
- Slip on Flange
- Model NO.
- WN flange
- Material
- Stainless Steel
- Structure
- Flanges
- Connection
- Welding
- Sealing Surface
- RF
- Manufacturing Way
- Forging
- Brand Name
- Long an
- Warranty
- 1 Year
- Customized Support
- OEM&ODM
- Package
- Wooden Box or Pallet or Carton
- Technology
- Forged
- Model Number
- Welding Neck Flange
- Application
- Petroleum, Natural Gas, Water Disposa etc.
- Delivery Time
- 10-20
- Pressure
- Pn6/10/16/25/40/63
- Service
- Within 24 Hours Reply
- Transport Package
- Wooden Box
- Origin
- Zhe Jiang
- HS Code
- 73072100
- Production Capacity
- 300ton/Week
- Package Size
- 10.00cm * 10.00cm * 10.00cm
- Package Gross Weight
- 3.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 72" Wholesale/Titanium Wn/Stainless Steel/Ss/304/316/316L/ RF/Forged /Blind/Weld-on/Slip-on/Weld Neck/Bsp/NPT/Threaded Screw/Pipe Fitting/Lap Joint Flanges
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Product Description
| Flange Type | WN flange | Manufacturing way | Forging |
| Size | DN15-DN1200 | Pressure | 15#-2500# |
| Transport Package | Wooden Boxes | Transport way | By Sea |
| Surface | Smooth | Sealing Face | RF FF RJ |
| Trademark | LA | Origin | China |
| HS Code | 7307210000 | Production capacity | 300ton/Week |




Wenzhou Long'an Flange Co., Ltd., a luminary in the realm of engineering excellence and innovation, has been dedicated to the art of crafting superior components since its establishment in 2013. Our headquarters are strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China-a region renowned for its industrial prowess and advantageous resources. By leveraging Wenzhou's exceptional regional strengths and the seamless supply of premium raw materials from Qingshan Holdings Group, we have meticulously developed a robust production system for Longan flange. Our unparalleled forging techniques and cutting-edge machining prowess distinguish us in the industry, enabling us to manufacture flanges of international acclaim.
Boasting an impressive fleet of over a hundred cutting-edge CNC lathes, Wenzhou Long'an Flange Co,Ltd. is adept at producing highly precise components with diameters extending up to 2000mm, ensuring exceptional detail and accuracy. Our capacity to handle substantial workpieces and expansive tubesheets is further augmented by our collection of 10 high-capacity machining lathes, accommodating diameters beyond 2000mm. Our tenacious pursuit of precision excellence has led us to equip our facilities with an array of 16 high-precision machining centers, including 6 three-axis, 3 four-axis, and 3 five-axis centers, alongside 3 large gantry machining centers and a formidable 2-meter horizontal machining center. This extensive and sophisticated suite of equipment assures that every product entrusted to us undergoes impeccable refinement within our facilities, empowering us to maintain stringent quality assurance at every stage and meet the demanding precision requirements of our clientele. This formidable array of equipment fulfills all product research and development aspirations, delivering unparalleled convenience and efficiency for pioneering product creation.
Our enterprise proudly embraces cutting-edge digital advancements with our state-of-the-art online ERP system, which seamlessly integrates across our production network, from raw material introduction to the dispatch of finished products. This innovative system revolutionizes our production methodology by achieving paperless efficiency and ensuring precise data capture for every item we manufacture. Moreover, this sophisticated system enables meticulous quality assurance at every phase of production, utilizing digital processes to oversee each step, ensuring that product quality consistently aligns with our rigorous standards.
Passion and dedication, enterprising, integrity and win-win, perseverance and persistence.



China Longan stainless steel flanges and pipe fittings Co.,Ltd (we are a factory, 100+ workers, 500+ customers, 10+ years of experience):We have ISO certificate, accept OEM, ODM. And can produce customized products and supply design services. For normal and standard products, the MOQ can be 1 piece.
We also provide:
1. FORM E/Certificate of Origin and other export certificates.
2. NACE material
3. 3PE coating
4. Data sheets and drawings
5. T/T, L/C payment
6. What is business to us? It's for sharing, not for making money. We hope to meet more and better us together with you.
1.Every process stems from dedication,producing good products,and stict control over details. Inteligent manufacturing,Longan has been upgrading.
2.Longan flange has been focusing on product marketing and service, the value of the product does not lie in the output value of how much, but in the number of our products and services of quality projects.


3.Integrity and reputation craftsmanship Over the years, the enterprise adhering to the "integrity, quality, service" business philosophy has successfully passed a number of domestic and international certification, and access to a number of patents recognized by the community. Create more opportunities for the future development of enterprises!
4.Every staff member of Longan believes that a successful team and organization is not simply a collaborative effort from the pursuit of the cause by all staff members of Longan.
5.Our products are exported to the United States, Germany, Italy, Singapore, Canada, Mexico, Japan, Korea, Malaysia, Indonesia, South Africa, Brazil and the Middle East and other international markets.
1.How many countries you already expeorted?
--We exported stainless steel pipes to more than 30 countries mainly from Egypt,Turkey,India,Iran,Dubai,Thailand,Philippine
2.What is our product range?
--Based on our stainless steel seamless pipe factory, We supply the ONE-STOP service fittings,flanges, valves etc.
3.what is your delivery time?
--It depends on the demanded quantities and your location, nearly in 15-50days.
4. Can you provide OEM service?
--Yes. Welcom to contact us for more details discuss.
5. Can we visit your factory?
--Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
6.How Does Flange Connection Work?
--A flange connection is an assembly involving two pieces of equipment, pipes or pipe fittings, two flanges, flange mats, and bolts. Different types of washers are also used with the flange connection to secure the connection.
Besides, a flange connection culminates in joining two materials using inner and outer lip parts or flanges. For each of the opposing flange faces to form a seal, force (gasket compression or sealing pressure) must be exerted and maintained. To ensure flanges stay in place, they are often bolted with a gasket between the flange faces to form a tight seal. One of the gaskets often used for this sealing is a disk spring, which is a type of spring
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2432453". Items marked "" are certified.
Company Profile
Passion and dedication, enterprising, integrity and win-win, perseverance and persistence.
Wenzhou Longan Flange Co., Ltd. Was founded in 2013, the company is located in Longwan District, Wenzhou City, Zhejiang Province, China Yongxing Street Airport Pearl Road No. 620. With the superior local advantages of Wenzhou, relying on the convenient and efficient supply of raw materials from Qingshan Holding Group, combined with our own strong forging technology and machining capacity, we have created a perfect production system of Longan Flange. At present, the company has more than one hundred numerical control lathes, which can meet the processing of high-precision workpieces with diameters of 4000mm or less, and also has more than ten machining lathes with diameters of 2000mm or more, which are used for processing heavy workpieces and large pipe plates. The company is also equipped with 16 sets of high-precision machining centers, including 6 sets of 3-axis machining centers, 3 sets of 4-axis machining centers, 3 sets of 5-axis machining centers, 3 sets of large-scale gantry machining centers, 1 set of 2-meter horizontal machining centers, and 2 sets of heavy-duty vertical lathes (the tonnage of the products can be up to more than 20 tons), which ensures that each of the customer's products is completed in the factory to be processed, and controls the quality and quality of each link to ensure that each product meets the We control the quality of each link to ensure that each product meets the customer's high precision requirements. Advanced equipment configuration to meet the customer's all-round product development, for the customer's product innovation and development to provide the most convenient and efficient service.
The company has a complete set of online ERP system to achieve full network coverage of the workshop, from the raw materials into the factory to the finished product out of the warehouse, to achieve paperless production, to ensure the accuracy of the data of each product. At the same time through this system to realize the quality control of each link of the product, with digital process control of each link of production, to ensure that the quality of each link of the product meets the requirements.
The company also has its own laboratory, configured with a variety of testing equipment, including automatic direct-reading spectrometer, handheld spectrometer, spectral alloy analyzer, hydraulic universal material testing machine, pendulum impact tester, and so on 15 sets of testing equipment, a comprehensive bit to meet the customer's requirements for product testing, and at the same time, the company has all aspects of the qualification of the inspectors, for the customer's product quality escort.
The company adheres to the "improve customer satisfaction and employee happiness index" for the purpose of their own ability to contribute to the progress and development of society as a whole. We firmly believe that only the development of the customer, the staff well, the enterprise can be long-term stable development, this is the Longan flange's corporate philosophy, Longan, is committed to be a user assured that the supplier!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 620, Mingzhu Road, Yongxing Street, Longwan District, Wenzhou, Zhejiang, China
-
Plant Area
- 6000.3 square meters
-
Number of Employees
- 105
-
Registered Capital
- 50,000,000 RMB
-
Terms of Payment
- LC, T/T, Western Union, PayPal, D/P, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CFR, CIF, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port
-
Minimum Order Quantity
- 1 Pc
-
Supply Chain Partners
- 10
Our Production Capability & Technical Expertise
-
Main Products
- Flange
-
Production Machines
- CNC Lathe machine, CNC Drilling machine
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2013-11-08
-
Export Year
- 11 Years
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- 30%~50%
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- How many countries have you exported to?
- We have exported stainless steel pipes to more than 30 countries, mainly from Egypt, Turkey, India, Iran, Dubai, Thailand, and the Philippines.
- What is your product range?
- Based on our stainless steel seamless pipe factory, we supply a one-stop service including fittings, flanges, valves, etc.
- What is your delivery time?
- Delivery time depends on the demanded quantities and your location, taking nearly 15 to 50 days.
- Can you provide OEM service?
- Yes, we welcome contact for more details and discussion regarding OEM services.
- Can we visit your factory?
- We warmly welcome factory visits. Once we have your schedule, we will arrange a professional sales team to follow up on your case.
- How does flange connection work?
- A flange connection is an assembly involving two pieces of equipment, pipes, or fittings, two flanges, flange mats, and bolts. Force must be exerted to form a seal, often using gaskets like disk springs between the flange faces.
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