Custom Industrial Flange for Pipeline Connection

Zhengzhou Hongze Valve Pipeline Co., Ltd. is a professional manufacturer and supplier of pipeline fittings, valves, rubber expansion joints, steel pipes, flanges, fasteners, and related pipeline products in China. Our flanges are widely used for connecting pipes, valves, pumps, fittings, and equipment in industrial pipeline systems.

We can supply different types of flanges, including slip-on flanges, weld neck flanges, high pressure flanges, blind flanges, plate flanges, socket weld flanges, lap joint flanges, threaded flanges, and non-standard customized flanges according to project requirements.

Product Overview

Our industrial flanges can be manufactured according to different materials, pressure ratings, standards, sealing faces, sizes, thicknesses, and special drawings. They are suitable for water, oil, gas, steam, chemical media, and other industrial fluid pipeline systems.

Material, size, pressure rating, flange face, drilling hole, thickness, surface treatment, marking, and packing can all be customized.

Common Flange Types

Available flange types include:

• Slip-On Flange / SO Flange
• Weld Neck Flange / WN Flange
• Plate Flange / PL Flange
• Blind Flange / BL Flange
• Socket Weld Flange / SW Flange
• Threaded Flange
• Lap Joint Flange / LJ Flange
• High Pressure Flange
• Non-Standard Flange
• Customized Flange According to Drawing

Common Materials

Materials can be customized according to working medium, temperature, pressure, and project specifications.

Common materials include:

• Carbon Steel: Q235, 20#, A105, A350 LF2
• Stainless Steel: 304, 304L, 316, 316L, 321
• Alloy Steel: A182 F11, F22, F5, F9, F91
• Duplex Stainless Steel: 2205, 2507
• Other special materials can also be customized upon request.

Flange Face Types

Different sealing face types are available according to pipeline requirements:

• RF / Raised Face
• FF / Flat Face
• RTJ / Ring Type Joint
• TG / Tongue and Groove
• MFM / Male and Female
• Other sealing faces can be customized.

Available Standards

Products can be manufactured according to different international and domestic standards, including:

• ASME / ANSI B16.5
• ASME B16.47 Series A / Series B
• EN 1092-1
• DIN Flange Standards
• JIS B2220
• GB/T 9124
• HG/T Flange Standards
• Custom drawing or project-specific standards

Key Features

• Accurate machining and stable dimensional control
• Good sealing performance after proper installation
• Suitable for high pressure and high temperature pipeline systems
• Custom material, pressure rating, size, and flange face available
• Non-standard flanges can be produced according to drawings or samples
• Strong structure and reliable connection performance
• Surface treatment and marking can be customized
• Suitable for industrial, commercial, and project-based pipeline applications

Surface Treatment

Surface treatment can be customized according to material and working environment.

Common surface treatments include:

• Anti-rust oil
• Black painting
• Yellow painting
• Galvanized surface
• Sand blasting
• Epoxy coating
• PTFE coating
• Other protective coatings upon request

Applications

Widely used in:

• Water supply and drainage systems
• Oil and gas pipelines
• Petrochemical industry
• Power plant pipelines
• Chemical processing systems
• HVAC systems
• Shipbuilding and marine pipeline systems
• Valves, pumps, and equipment connection
• High pressure pipeline projects
• Industrial fluid transportation systems

Why Choose Zhengzhou Hongze Valve Pipeline Co., Ltd.

• Professional pipeline product manufacturer and supplier
• Custom material, size, pressure rating, and standard available
• Non-standard flange customization supported
• Strict quality control before delivery
• Support OEM and project-based customization
• Competitive factory price
• Fast response and professional technical support
• Suitable for small orders and bulk project procurement
• Export packing and documentation support available

Contact Us

For quotation, technical details, drawings, or customized requirements, please contact us.

Company: Zhengzhou Hongze Valve Pipeline Co., Ltd.
WhatsApp: https://wa.me/message/7H377VGQL65IH1
Email: export@hongzepipe.com