4inch Schedule 80 X 300lbs RF 4130 Alloy Steel Sw Flange

  • Model NO.: 4130
  • Type: Welded or Threaded Connection
  • Structure: Round
  • Sealing Surface: RF
  • Kind: So,Wn,Lap Joint,Blind,Socket,Threaded Ect
  • Material and Grade: Carbon Steel A105,A234wpb Ect
  • Transport Package: Wooden Case
  • Origin: China
  • Standard: ANSI, DIN
  • Material: Stainless Steel
  • Connection: Blind Flange
  • Manufacturing Way: Forging
  • Sealing Face: RF,Rtj,FF Ect
  • Trademark: DERBOSTEEL
  • Specification: API
  • HS Code: 3917400000
4inch Schedule 80  x 300LBS RF 4130 alloy steel SW flange
1.Technical Parameters
Steel Flanges
Material Carbon steel  ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH 
P250GH, P280GHM 16MN, 20MN ,20# 
Stainless steel  ASTM A182, F304/304L, F316/316L
Alloy steel ASTM A182 A182 F12,F11,F22,F5,F9,F91etc.
Standard                            ANSI Class 150 Flanges-Class 2500 Flanges
DIN 6Bar 10Bar 16Bar 25Bar 40Bar
JIS 5K Flanges-20K Flanges
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
EN 6Bar 10Bar 16Bar 25Bar 40Bar
TYPE 1.Welding neck Flange    2.Slip on
3.Blind flange                   4.Long welding neck flange   
5.Lap joint flange             6.Socket welding
7.Threaded flange           8.Flat flange
Surface Anti-rust oil, clear lacquer, Black lacquer, Yellow lacquer,hot-dipped Galvanized,electrical galvanized
Connection Welding, Threaded
Technical Forged, Casting
Size DN10-DN3600
Package 1.>Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside). 
2:As Customers' Requirements                         
Heat Treatment Normalizing, Annealing, Quenching+Tempering
Certificate TUV,ISO9001:2008;PED97/23/EC,ISO14001:2004,OHSAS18001:2007
Applications Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry
and general pipes connecting projects etc.
2.Product Showcase
4inch Schedule 80 X 300lbs RF 4130 Alloy Steel Sw Flange

3.Production Facility
4inch Schedule 80 X 300lbs RF 4130 Alloy Steel Sw Flange
4.Qulality Control
4inch Schedule 80 X 300lbs RF 4130 Alloy Steel Sw Flange

4inch Schedule 80 X 300lbs RF 4130 Alloy Steel Sw Flange
5.Our Service
4inch Schedule 80 X 300lbs RF 4130 Alloy Steel Sw Flange
 
Chengdu Derbo Steel focus on pipe&tube solution for project application for more than 10 years with good quality and reasonable price,has succeed to cooperated with Sheel,Lukoil and other famous oil&gas companies all over the world.

If you have any inquiry for our products,please don't hesitation to contact us.We will provide you the most competitive quotation and technical support.

 

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