Product Introduction

1. Product Name: Large Diameter Flange

2. Process: Forging steel plate hot coil

3. Standard: JB/T81-94

4. Size: DN10-DN2000

5. Pressure: PN0.6MPA PN1.0MPA PN1.6MPA PN2.5MPA PN4.0MPA

6. Material: 20 # A105 WCB 304 316L Q345B Q345R 16Mn

7. Coating: Zinc plating, black coating, brush oil coating

8. Testing: Chemical composition analysis; Mechanical performance; Metallographic testing; Acid resistance testing; Heat treatment; Ultrasonic testing; Penetration test; Magnetic particle testing; X-ray detection; Water pressure test; Blasting test;

Can be customized according to customer needs

Specifications

Pressure level: Common ones include PN6（0.6MPa）、PN10（1.0MPa）、PN16（1.6MPa）、PN25（2.5MPa）、PN40（4.0MPa） Wait, * up to PN250 (25.0MPa) and above.

Nominal size: usually refers to the nominal diameter DN, with a wide range, such as the A series large diameter flange specifications up to DN20-DN3000.

Material selection

Materials include carbon steel, stainless steel, alloy steel, etc. Suitable materials can be selected according to the characteristics of the medium and operational requirements to ensure the stability and corrosion resistance of large-diameter flanges in various environments.

Application field

Widely used in industries such as food industry, air conditioning and refrigeration systems, pharmaceuticals, petrochemicals, construction, and machinery manufacturing, it is a key component for connecting equipment imports and exports.

Advantage

It has the advantages of strong durability, stable performance, heat and corrosion resistance, and easy disassembly, making it particularly suitable for equipment and pipelines that require frequent cleaning, inspection, or replacement. It can effectively shorten downtime and reduce maintenance costs.