No. 99 Yilan Rd., Xiamen , CN.
+86 186 5928 0806

February 21, 2023
Custom Manufactured Flanges for Chemical Equipment

Openex recently manufactured a batch of custom flanges for a chemical customer, and more than the flanges were well received by the customer. The flanges are made of 20mm thick 316L stainless steel with diameters of 1.3m, 1.8m, and 2.1m respectively. The manufacturing of the flanges needs the following steps: grinding, waterjet cutting, welding, shaping, […]

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February 9, 2023
Over 900 Perforated Baffle Plates Export to Italy For Oil Refining Industry

Recently, more than 900 baffle plates for a large refinery project in Italy were shipped smoothly. After inspecting the products, the customer affirmed our processing technology and product quality. And they indicated that they would continue to cooperate with us in the future. What's a Baffle Plate? A baffle plate is a piece of metal […]

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December 20, 2022
Stainless Steel Tube Sheets of Heat Exchangers For Environmental Protection Industry

Thickness: 16mm Material: Stainless Steel Application: for heat exchangers The stainless steel tube plate is 16MM thick, and processing technology involves laser cutting, leveling, machining, etc. Due to the first cooperation, the customer is very cautious and has very strict requirements on machining aperture accuracy, burr removal, and so on. Relying on sophisticated equipment and […]

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December 7, 2022
304L Stainless Steel Rectangular Flanges Manufactured for Heat Exchangers

Thickness: 25mm Material: 304L Stainless Steel Quantity: 500 Pieces Application:  for heat exchangers Those customized rectangular flanges are used for heat exchangers. A flange is a method of connecting pipes, valves, pumps, and other equipment to form a piping system. It also provides easy access for cleaning, inspection or modification. Flanges are usually welded or […]

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December 6, 2022
16MnIV Forging Overlay Weld Tube Sheet for Pressure Vessels

Dimensions: Diameter 4200mm, Thickness 390mm Material: 16MnIV Overlay Weld Material: 309L Stainless Steel, 347 Stainless Steel Those overlay weld tube sheets are the key parts of water cooling pressure vessels. Weld overlay melts one metal—the cladding layer—onto the surface of another metal of similar composition and melting point, forming a base material that is resistant […]

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October 4, 2022
Flanges Manufacturing

Openex is a global manufacturer of various flanges. Upon request, we manufacture the forging of flanges and blinds that are custom-designed to customer dimensional requirements. We have an extensive track record of producing flanges from a wide variety of material grades. Our extensive raw material inventory allows us to manufacture forged flanges to the most […]

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October 4, 2022
Tube Sheet Manufacture

Tube Sheets and flange manufacturing is one of Openex's specialties. We're a tube sheet/flange maufacturer that specializes in almost all tube sheets up to 12 meters in diameter and special flanges in all styles that measure up to 10 meters O.D based on your requirements.

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September 27, 2022
6300 Pieces Slip-on Flanges Manufactured for Dyeing and Printing Machinery

Description: 6300 Pieces Slip-on Flanges Manufactured for Dyeing and Printing Machinery Dimensions: Over 6300 pieces over 300 specifitions Processes: Machining, CNC Turning, CNC Milling, Thermal stress relieving, Inspection etc. Those slip-on flanges are used for dyeing and printing machinery. Slip-on flanges, also known as ‘hubbed flanges’, have a hub with a very low profile. This […]

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September 17, 2022
Heavy CNC Machining for Large Pressure Vessel Flange with a Diameter of 10m

Description: Heavy CNC Machining for Large Pressure Vessel Flange with a Diameter of 10m Dimensions: diameter:10 meters weight:15 tons, thickness: 44-640mm Processes: Machining, CNC Turning, CNC Milling, Welding, Thermal stress relieving, Inspection etc. This large diameter flange is used for pressure vessel. Pressure vessel flange is a common connection part of pressure vessel,and it is […]

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September 16, 2022
8.6m Stainless Steel Tube Sheets for Oxidation Reactor in Petrochemical Industry

Product Name: 8.6m tube sheet for oxidation reactor in petrochemical industry Material: Stainless Steel Holes Quantity: more than 37000 Weight: 75tons Mainly equipment used in this project:  Innse Berardi 280 Horizontal Milling & Boring Machine Hole Shape: Round or as required Tube sheet is widely used in Desalination, Pressure Vessels, Heat Exchanger, Paper making machine, […]

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About Openex

Openex is home to a full-service, one-stop-shop, contract manufacturing company producing custom large machined parts and fabrications. Our full large fabrication services including large machining, cutting, welding, rolling, punching, braking, testing, painting, and others.
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