
WELLNIT Machinery-Professional bevel cutting manufacturer
Zhejiang Wellnit Machinery Manufacturing Co., Ltd., located in Shuige Industrial Zone, Liandu District, Lishui City, specializes in the production of electric, pneumatic, hydraulic, CNC, and explosion-proof groove cutting machinery. After years of development, the company has won the domestic and international markets with excellent quality and perfect service, and is highly praised and trusted by users.
Your Leading Flange Face Machining Supplier
Zhejiang Wellnit Machinery Manufacturing Co., Ltd. specializes in the production of electric, pneumatic. hydraulic, CNC, and explosion-proof groove cutting machinery. We have many types of flange facing machine, which are divided into flange face machining and portable flange facing machine. Flange facers are used to machine the surfaces of flanges, primarily for maintenance and repair to ensure a leak-free seal in various industrial applications.
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Electric Internal Expansion Flange End Processing MachineFlange Facer Machine are Multi-Function series machine.flange end processing machine Productmake up with three parts,have four clamp support ,internalmounted,small working radius.The novel tool
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Pneumatic External Clamp Flange End Processing MachineOur pneumatic flange machining system adopts an external card clamping method, ensuring high rigidity for precision operations. It is compatible with horizontal/vertical Lan Guang tool holders and
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WFDP-1000 Pneumatic External Clamp Flange End Processing MachineThe Pneumatic External Clamp Flange End Processing Machine is a portable flange facing machine designed for on-site machining and repair of flange sealing surfaces. It uses an external clamping
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WFP-3000 Pneumatic Internal Expansion Flange End Processing MachineFlange Facer Machine are Multi-Function series machine.flange end processing machine Productmake up with three parts,have four clamp support ,internalmounted,small working radius.The novel tool
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WFS-2000 Electric Internal Expansion Flange End Processing MachineFlange Facer Machine are Multi-Function series machine.flange end processing machine Productmake up with three parts,have four clamp support ,internalmounted,small working radius.The novel tool
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WFS-1650 Electric Internal Expansion Flange End Processing Machineflange facing machine are Multi-Function series machine.flange facing tool Productmake up with three parts,have four clamp support ,internalmounted,small working radius.The novel tool holder design
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WFP-1000 Pneumatic Internal Expansion Flange End Processing MachineThe In Situ Flange Facing Machine is a portable device specifically designed for on-site flange surface repair and machining. It can precisely machine damaged or uneven flange sealing surfaces
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WFS-610 Electric Internal Expansion Flange End Processing MachineFlange Facer Machine are Multi-Function series machine.flange facing tool Productmake up with three parts,have four clamp support ,internalmounted,small working radius.The novel tool holder design
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WFDP-200 Pneumatic External Clamp Flange End Processing MachineOur pneumatic flange machining system adopts an external card clamping method, ensuring high rigidity for precision operations. It is compatible with horizontal/vertical Lan Guang tool holders and
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Air MotorWithin flanging machines, the air motor serves as the pivotal power and control system enabling rapid, precise, and automated operations...
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Pneumatic Internal Expansion Flange End Processing MachineFlange Facer Machine are Multi-Function series machine.flange facing tool Productmake up with three parts,have four clamp support ,internalmounted,small working radius.The novel tool holder design
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Electric External Clamp Flange End Processing MachineThis portable flange facer adopts an external card clamping method with high-strength mechanical support, featuring flanging cutters, transverse/longitudinal tool holders, and a scaled feed handwheel
Why Choose Us?
Advanced Equipment
The company owns hundreds of pieces of production equipment, including machining centers, CNC lathes, gear shaping machines, wire cutting machines, surface grinders, and cylindrical grinders.
Broad Market
After years of development, the company's ten product series and dozens of product varieties are exported to over 60 countries and regions, including Europe, America, the Middle East, and Southeast Asia.
Wide Range of Applications
Our products are widely used in pipeline installation and maintenance in industries such as petroleum, power generation, steel, chemical industry, shipbuilding and natural gas, nuclear industry, and pressure vessels.
Custom Service
For special working conditions (such as thick-walled pipes and complex groove shapes), the company can provide customized solutions.
What is Flange Face Machining
A flange facing machine usually refers to a portable device used for on-site machining and repairing of flange faces. It can operate directly on installed equipment without disassembly, making it very efficient.

Its specifications
Core Functions: On-site machining and repair of flange sealing surfaces (for pipelines, containers, and other connectors)
Main Types: Portable/Mobile: Mainstream type, brought to the site for operation; Fixed/Integrated: Used for batch processing of flange parts in factories
Core Advantages: No need for disassembly: Avoids time-consuming and costly disassembly processes
On-site Operation: Suitable for large, immovable, or emergency repair equipmentHigh precision: capable of machining sealing surfaces that meet industrial standards (such as RF, RTJ, etc.)
Common processing range: The diameter range is very wide, from about 50 millimeters to several meters.
Specifications of Flange Face Machining
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Item |
Value |
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Place of origin |
China |
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Surface Treatment |
Polished |
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Material |
Stainless Steel/Alloy Steel/ Carbon Steel |
|
Application |
Pipe Lines Connect |
|
Pressure |
Class150/300/600/900/1500/2500 |
|
Usage |
Oil Gas Water Industrial |
|
Certificate |
ISO9001/CE/TS |
|
Service |
OEM ODM Customised |
|
MOQ |
1 Piece |
|
Connection |
BSP Thread |
|
Thickness |
SCH5-SCH160 |
- Key application scenarios -
Special location processing
Machining or repairing flanges that are already installed on large pressure vessels, reactors, boilers, or ship hulls, which usually cannot be brought back to the workshop.
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Processing a new seal
Machining flange sealing surfaces that meet standards for on-site installation or modification (such as raised face RF, ring type joint RTJ, etc.)
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Repair damaged sealing surfaces
Restore corroded, pitted, or scratched flange sealing surfaces to resolve equipment leakage issues.
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How to Choose and Obtain
Select key points: It is necessary to clarify the flange size range, the on-site power source conditions (electric, pneumatic, hydraulic), and the required machining functions (turning, milling, grooving, etc.).
Functions of Flange Face Machining

Precision resurfacing
Flange facers provide highly accurate results, ensuring that flange surfaces are flat, smooth, and perfectly aligned for optimal sealing performance.

Portable solutions
Many modern flange facers are portable, allowing MCS to deliver on-site flange maintenance services to minimize downtime in industrial operations.

Versatile material handling
Flange facing services can be applied to a wide range of materials, including steel, stainless steel, cast iron, and even non-metallic materials, making them ideal for various industrial applications.

Customizable cuts
Flange facers are equipped to handle different flange sizes and types, providing tailored resurfacing solutions for industries with specific requirements, including raised-face, flat-face, and ring-type joint flanges.
The flange-facing work requires the following activities:
Flange milling wind tower section
Re-facing repairing and valve flange heat exchangers.
Re-facing ship hatch sealing surfaces.
Plate and vessel weld prep.
Repairing ring grooves or cutting new groves.
Boiler feed pump flanges.
Repairing piston rod mating flanges.
Ship thruster mount milling, drilling, and facing.
Phonographic finish flanges and repairing flat face raised face.
For sealing, beveling, facing, and weld preparation of the pipe are required.
Re-machining, the gasket seal on the tube sheets.
Resurfacing large pump base housings.
Repairing a heat exchanger and other equipment nozzle flanges.
Re-facing of pipeline or pipe flanges.
Flange Face Machining Material Selection
One-stop service from raw material selection to component production




Safe Operation of Flange Face Machining
Obtain the approval of the work permit as required
Tools and equipment should be made operational and available for use.
Sufficient number of fire extinguishers shall be provided to prevent materials and equipment from fire. All warehouse and preservation crew personnel shall be trained in the use of portable fire extinguishers.
Provide Sufficient warning signs and barricade as required in the area and only assigned and authorized workers will be allowed in the area.
Good housekeeping shall be maintained around the area. The site of all materials and equipment shall be kept in a clean and tidy manner.
Approved hearing protection must be worn at all time when machining is running.
Operation by one person is recommended, however under exceptional circumstances this may not be possible. When two man operation is unavoidable a specific risk assessment must be undertaken by those involved with the task to ensure all additional risks caused by two-man operation have been identified and addressed to ensure the safety of those undertaking the task.
Use a Dead Man's Handle at all times.
Operator must read and understand all operating instructions before using all equipment.
Do not strike or modify any equipment.
Never wear loose items of apparel when using rotating machine tools.
Always tie long hair back prior to using rotating machine tools.
Ensure that know how to STOP the machine an emergency.
Certificate

Payment Terms
L/C; T/T; Paypal; West Union; MoneyGram etc;
Sample order: 100% Payment before shipment;
Bulk order: 50% deposit balance before shipment.
Packing & Shipping
Delivey Time: Generally it is 3-7 days if the goods are in stock. Or 30 days, it's depand to quantity.
Packing Term: Export packing wooden cases, or customer customized requirements.

FAQ
As one of the leading flange face machining manufacturers and suppliers in China, we warmly welcome you to wholesale high-grade flange face machining for sale here from our factory. All customized machines are with high quality and low price.
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