Flanges provide secure, removable connections between pipes, valves, pumps, and plumbing equipment. They join piping systems using bolts, gaskets, and flange faces for leak-free sealing. Flanges suit water, chemical, gas, steam and HVAC pipelines in industrial, commercial, and residential systems. Proper flange connection enables easy maintenance, inspection, and replacement without cutting pipes. Using the right flanges ensures safe flow, system flexibility, and reliable performance under pressure or temperature variations.
Flanges
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Flanges
150LB PN16 Stainless Steel Flange -Chemical- 304/316 Material, Customizable
The Flange is suitable for petroleum, chemical, and construction industries, featuring pipe connection and sealing functions. Made of 304, 316, 316L stainless steel, and carbon steel, it includes types like slip-on, weld neck, and blind flanges, meeting global standards such as ANSI, DIN, and JIS. It supports size customization from 1/2″ to 24″, is packaged in standard export plywood cases,meeting the reliable connection needs of pipe systems in various industries.
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Flanges
150LB Welding Flange 316L/304 SS American Standard Neck Butt Welding Flange High Pressure Resistance Corrosion Resistance
Flanges150LB Welding Flange 316L/304 SS American Standard Neck Butt Welding Flange High Pressure Resistance Corrosion Resistance
- Corrosion resistance, high pressure resistance, long life, easy installation.
- The smooth welding joints are tightly connected, and the workmanship is neat and burr-free.
- Strong sealing and high matching degree.
NOTE: Prices may vary by product model and material.
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Flanges
150LB Welding Flange American Standard Neck Flat Welding Flange 316L/304 SS Flange Heat Exchanger Equipment Welding Flange
Flanges150LB Welding Flange American Standard Neck Flat Welding Flange 316L/304 SS Flange Heat Exchanger Equipment Welding Flange
- Material: Stainless steel 316L/304
- Specifications: DN15-DN200
- Scope of application: chemical/pharmaceutical/pressure vessel/heat exchanger/new energy equipment/food machinery/sterilizer/pipeline equipment reactor/environmental protection equipment/printing and dyeing equipment/pharmaceutical equipment/chemical equipment/filtration equipment/drying equipment/intelligent manufacturing
NOTE: Prices may vary by product model and material.
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Flanges
150mm Duct Connector Flange ABS Material Sealing Part
This 150mm Duct Connector Flange is a high-quality accessory designed for Heating, Ventilation, and Air Conditioning (HVAC) systems. It is made from durable, lightweight ABS material, providing good corrosion resistance and stability. The flange, with a diameter of 150mm (approx. 6 inches), is used to connect ventilation ducts or exhaust hoses. It features an integrated sealing part to ensure air tightness at the duct connection point, effectively preventing leaks and guaranteeing the efficiency and performance of the ventilation system. It is suitable for various wall-mounted or fixed installations requiring a reliable duct interface.
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Flanges
Custom Forged Carbon Steel Slip-On Flange Drain Pipe Fitting
This Custom Forged Carbon Steel Slip-On Flange is an accessory specifically engineered for drain piping systems. It is constructed from robust carbon steel material and manufactured using a forging process, ensuring excellent strength, toughness, and reliability to withstand higher pressures and stresses. As a “Slip-On” flange, it easily slides over the end of the drain pipe for quick welding and fixing, simplifying the on-site installation process. Due to its custom nature, it can be precisely matched to specific pipe sizes and engineering requirements, making it an ideal choice for high-performance connections in industrial, municipal, and construction drainage projects.
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Flanges
Custom Precision 304 Stainless Steel Plate Slip-On Welding Flange
This Custom Precision 304 Stainless Steel Plate Slip-On Welding Flange is a high-quality connector component specifically designed for industrial piping systems. It is made from corrosion-resistant 304 stainless steel and manufactured using a precision process to ensure superior dimensional accuracy and surface finish. As a “Slip-On” flange, it is easily fitted over the pipe and then welded, making installation quick and simple. It is suitable for medium to low-pressure, non-critical fluid transportation pipelines.
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Flanges
Custom Size 12 Inch Large Diameter Carbon Steel Weld Neck Flange
This Custom Size 12 Inch Large Diameter Carbon Steel Weld Neck Flange is a high-strength piping connector designed to withstand severe operating conditions involving high pressure, high temperature, or low temperature. It is constructed from robust carbon steel and manufactured via a precision forging process, ensuring excellent mechanical properties. As a Weld Neck Flange (WN), it connects to the pipe through a long tapered hub, providing superior stress distribution and structural integrity, making it ideal for critical connections in piping systems.
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Flanges
DN100 150LB Welding Flange 6PCS American Standard Neck Flat Welding Flange 304 SS Flange Heat Exchanger Equipment Welding Flange
FlangesDN100 150LB Welding Flange 6PCS American Standard Neck Flat Welding Flange 304 SS Flange Heat Exchanger Equipment Welding Flange
- Nominal diameter: DN100
- Flange outer diameter (mm): 220/115
- Flange inter diameter (mm): 18
- Total thickness (mm): 20
- Center distance(mm): 108
- Number of holes: 8
NOTE: Prices may vary by product model and material.
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Flanges
DN100 Plate Flat Welding Flange PN16 6PCS 304 SS Forged Welding Flange Food Machinery Pharmaceutical Industry Welding Flange
FlangesDN100 Plate Flat Welding Flange PN16 6PCS 304 SS Forged Welding Flange Food Machinery Pharmaceutical Industry Welding Flange
- Nominal diameter: DN100
- Piping outer diameter (mm): 108
- Flange outer diameter (mm): 220
- Flange inner diameter (mm): 110
- Total thickness (mm): 22
- Center distance(mm): 180
- Number of holes: 8
NOTE: Prices may vary by product model and material.
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Flanges
DN150 BL Blind Flange 6PCS 304 Stainless Steel Blind Flange With Holes Corrosion Resistant High Pressure Resistant Welding Flange
FlangesDN150 BL Blind Flange 6PCS 304 Stainless Steel Blind Flange With Holes Corrosion Resistant High Pressure Resistant Welding Flange
- The smooth welding joints are tightly connected, and the workmanship is neat and burr-free.
- Corrosion resistance, high pressure resistance, long life, easy installation.
- Strong sealing and high matching degree.
NOTE: Prices may vary by product model and material.
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Flanges
DN20 Plate Flat Welding Flange PN16 6PCS 304 SS Forged Welding Flange Food Machinery Pharmaceutical Industry Welding Flange
FlangesDN20 Plate Flat Welding Flange PN16 6PCS 304 SS Forged Welding Flange Food Machinery Pharmaceutical Industry Welding Flange
- Nominal diameter: DN20
- Piping outer diameter (mm): 25
- Flange outer diameter (mm): 105
- Flange inner diameter (mm): 26
- Total thickness (mm): 16
- Center distance(mm): 75
- Number of holes: 4
NOTE: Prices may vary by product model and material.
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Flanges
DN32 Plate Flat Welding Flange PN16 6PCS 304 SS Forged Welding Flange Food Machinery Pharmaceutical Industry Welding Flange
FlangesDN32 Plate Flat Welding Flange PN16 6PCS 304 SS Forged Welding Flange Food Machinery Pharmaceutical Industry Welding Flange
- Nominal diameter: DN32
- Piping outer diameter (mm): 38
- Flange outer diameter (mm): 140
- Flange inner diameter (mm): 39
- Total thickness (mm): 18
- Center distance(mm): 100
- Number of holes: 4
NOTE: Prices may vary by product model and material.
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Flanges
DN40 Neck Butt Welding Flange PN10 6PCS 316L Stainless Steel Welding Flange Pressure Vessel Welding Flange Pipe Connection Flange
FlangesDN40 Neck Butt Welding Flange PN10 6PCS 316L Stainless Steel Welding Flange Pressure Vessel Welding Flange Pipe Connection Flange
- Nominal diameter: DN40
- Flange outer diameter (mm): 150
- Total thickness (mm): 18
- Center distance(mm): 110
- Number of holes: 4
NOTE: Prices may vary by product model and material.
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Flanges
DN50 BL Blind Flange 6PCS 304 Stainless Steel Blind Flange With Holes Corrosion Resistant High Pressure Resistant Welding Flange
FlangesDN50 BL Blind Flange 6PCS 304 Stainless Steel Blind Flange With Holes Corrosion Resistant High Pressure Resistant Welding Flange
- The smooth welding joints are tightly connected, and the workmanship is neat and burr-free.
- Corrosion resistance, high pressure resistance, long life, easy installation.
- Strong sealing and high matching degree.
NOTE: Prices may vary by product model and material.
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Flanges
Flexible Joint Flange High-quality 304 Stainless Steel High Pressure Resistance Corrosion Resistance Welding Flange Flexible Joint Flange
FlangesFlexible Joint Flange High-quality 304 Stainless Steel High Pressure Resistance Corrosion Resistance Welding Flange Flexible Joint Flange
- Corrosion resistance, high pressure resistance, long life, easy installation.
- The smooth welding joints are tightly connected, and the workmanship is neat and burr-free.
- Strong sealing and high matching degree.
NOTE: Prices may vary by product model and material.
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Flanges
Food Grade SS304 Weld Neck Flange Sanitary Connection
This Food Grade SS304 Weld Neck Flange (Sanitary Connection) is a piping connector designed specifically for industries with extremely high hygiene requirements. It is manufactured from premium SS304 stainless steel, offering excellent corrosion resistance and ease of cleaning, fully complying with food grade standards. As a Weld Neck Flange, it connects to the pipe through butt-welding, creating a smooth, gap-free transition that effectively prevents fluid retention and bacterial growth. Its sanitary connection feature makes it an ideal, safe, and reliable solution for critical process pipelines in the food, beverage, pharmaceutical, and biotechnology industries.
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Flanges
High Pressure Custom Large Diameter Stainless Steel Slip-On Flange
This High Pressure Custom Large Diameter Stainless Steel Slip-On Flange is a high-performance piping connector engineered to withstand demanding operational conditions. It is constructed from premium stainless steel (such as 304 or 316), ensuring exceptional durability in corrosive environments. Featuring a large diameter size and custom capabilities, it meets the requirement for high-bore connections in specialized industrial pipelines. Despite being an easy-to-install Slip-On design, its structure is optimized to be reliably applied in high-pressure systems.
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Flanges
High Pressure Forged Split Flange Hydraulic Fitting
This High Pressure Forged Split Flange Hydraulic Fitting is engineered specifically for high-pressure environments in hydraulic systems. Manufactured using a forging process, it ensures superior strength and durability, capable of withstanding extreme fluid pressures. Its split flange design allows for quick and easy installation and removal without having to move the entire pipe or hose. This fitting is a crucial component for hydraulic fluid line connections, offering a safe and efficient solution in hydraulic applications such as construction machinery, heavy vehicles, and industrial automation, where reliable, high-strength connections are required.
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Flanges
High Quality 2.5 Inch Stainless Steel Exhaust Flange Connection Kit
This High Quality 2.5 Inch Stainless Steel Exhaust Flange Connection Kit is an upgrade accessory specifically designed for automotive and high-performance exhaust systems. The flange in the kit is made from premium stainless steel material, ensuring excellent resistance to corrosion and high temperatures, capable of withstanding the harsh environment of the exhaust system. The 2.5 inch diameter is a common modification size, and when paired with precise gaskets and bolts, it achieves a perfect seal, preventing exhaust gas leaks. Its design is easy to weld and install, making it an ideal choice for improving the performance and durability of the exhaust system.
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Flanges
Hotel Heating Pipeline Measuring Flange Threaded Connection
This Hotel Heating Pipeline Measuring Flange (Threaded Connection) is a functional pipeline fitting designed specifically for central heating systems. It integrates a measuring joint function, allowing technicians convenient and safe access to the pipeline for monitoring and testing parameters such as pressure, temperature, or flow. The flange utilizes a threaded connection method, ensuring ease of installation and maintenance while providing reliable sealing. This product is mainly applied in the piping networks of hotels, commercial buildings, or centralized heating systems, and is a critical component for ensuring efficient operation and accurate diagnosis of the heating system.
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Flanges
Industrial Pipeline Dedicated 304 Stainless Steel Slip-On Flange
This Industrial Pipeline Dedicated 304 Stainless Steel Slip-On Flange is a high-performance connector designed to meet the demanding requirements of industrial applications. It is made from high-quality 304 stainless steel, offering excellent resistance to corrosion and high temperatures, making it particularly suitable for piping systems handling acidic, alkaline, or neutral fluids. As a Slip-On flange, its installation process is simple and quick, only requiring it to be slid over the pipe end and welded both internally and externally.
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Flanges
Large Diameter Stainless Steel Weld Neck Flange High Pressure
This Large Diameter Stainless Steel Weld Neck Flange is designed for industrial piping systems that require handling high pressure and large flow volumes. It is constructed from premium stainless steel material, ensuring excellent resistance to corrosion and high temperatures. As a Weld Neck Flange, it connects to the pipe via butt-welding, forming a high-strength structure with uniform stress distribution, allowing it to be safely and reliably used in high-pressure environments.
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Flanges
PN10 Plate Flat Welding Flange 304 Stainless Steel Forged Welding Flange Food Machinery Pharmaceutical Industry Welding Flange
FlangesPN10 Plate Flat Welding Flange 304 Stainless Steel Forged Welding Flange Food Machinery Pharmaceutical Industry Welding Flange
- Material: Stainless steel
- Specifications: DN10-DN600 (PN10)
- Scope of application: chemical/pharmaceutical/pressure vessel/heat exchanger/new energy equipment/food machinery/sterilizer/pipeline equipment reactor/environmental protection equipment/printing and dyeing equipment/pharmaceutical equipment/chemical equipment/filtration equipment/drying equipment/intelligent manufacturing
NOTE: Prices may vary by product model and material.
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Flanges
PN10 Plate Flat Welding Flange DN10-DN400 316L/304/301 SS Welding Flange Food Machinery Pharmaceutical Industry Welding Flange
FlangesPN10 Plate Flat Welding Flange DN10-DN400 316L/304/301 SS Welding Flange Food Machinery Pharmaceutical Industry Welding Flange
- Material: Stainless steel 316L/304/301/302
- Specifications: DN10-DN400
- Scope of application: chemical/pharmaceutical/pressure vessel/heat exchanger/new energy equipment/food machinery/sterilizer/pipeline equipment reactor/environmental protection equipment/printing and dyeing equipment/pharmaceutical equipment/chemical equipment/filtration equipment/drying equipment/intelligent manufacturing
NOTE: Prices may vary by product model and material.
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