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Pipe flange, Flange
Date:2019-04-09      View(s):540      Tag:Pipe flange, Flange



Pipe flange, Flange

Slip-on Flanges
Slip-on Flanges
Slip-on Flanges - are all bored slightly larger than the O.D. of the pipe.
ASTM A335 P22 alloy pipe
Weld Neck Flanges
Weld Neck Flanges - is normally referred to as the high hub flange.
Blind flanges
Blind Flanges
Blind Flanges - available to seal both pipes and vessels
Lap Joint Flanges
Lap Joint Flanges
Lap Joint Flanges - available in a range of sizes to pair with stub end fittings for easy dismantling
Threaded Flanges
Threaded Flanges
Threaded Flanges - engineered to fit pipes with external threads for weld-free fits
Blind flanges
Socket-weld Flanges
Socket-weld Flanges - designed with a socket fit and top weld for ideal inner flow in pipe systems
Standard we supply
ANSI
AWWA
ASME
DIN







Material Grades and Performance

Custom pipe flanges can be manufactured from a wide variety of materials and material grades.

Stainless steel flange
Alloy Steel flanges accord to ASTM A182 F1, F5a, F9, F11, F12, F22, F91
Carbon Steel Flanges
Forged steel flange

Carbon steel is a popular solution, as are stainless steel and specialty alloys, depending upon the industry. Plate and forged are also common, as are titanium and aluminum for lightweight jobs.




Flanges Manufacturing Process

Our manufacturing process is highly sophisticated and is divided into various departments supervised by experienced industry experts.

Requirements are valid for normal situation, in special you have to contact us to introduce.

Raw Materials:
The usual materials of flanges include stainless steel, carbon steel, aluminum and plastic.

Beginning with this process,the system controls the quality of all incoming materials as per the raw material test certificate of the material. Mild Steel Flanges ( MS ) are of premium quality that ensures high durability, strength and resistivity to varied non-supporting conditions. Also, checking in each size for chemical and physical properties of these materials at Government approved laboratory.

Flange materials acc. to ASTM

Dimensions from carbon steel and stainless steel flanges are defined in the ASME B16.5 standard. The material qualities for these flanges are defined in the ASTM standards.

The Packing Works for Steel Flanges

Steel flanges must be packed with seaworthy packing method then delivery to customers, usually the packing way include wooden box, wooden pallet, iron & steel cage, iron & steel pallet etc. Because of the normal wooden boxes or wooden pallets have to do fumigation treatment, we usually use plywood pallet or plywood case or box to pack steel flanges without fumigation treatment. Whatever plywood or iron & steel packing way, they must be seaworthy, strong, waterproof and easy for loading and unloading.

Marking on the flange
Shipping mark stick to outside of package. Following shall be marked on flange body

Mark on the flange

 

  • Manufacturer logo
  • ASTM material code
  • Material Grade
  • Service rating (Pressure-temperature Class))
  • Size
  • Thickness (Schedule)
  • Heat No
  • Special marking if any QT (Quenched and tempered) or W (Repair by welding)


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