18 Inch ASTM A516 Gr70 CS Spectacle Blind Flange with RF

  • Model NO.: A516 Gr70
  • Type: Blind Flange
  • Structure: Round
  • Sealing Surface: RF
  • Kind: So,Wn,Lap Joint,Blind,Socket,Threaded Ect
  • Material and Grade: ASTM A516 Gr70
  • Key Words: A516 Gr70 CS Flange
  • Quality: High Level
  • Payment: 30% Deposit
  • Transport Package: Wooden Case
  • Origin: China
  • Standard: ANSI, DIN
  • Material: Carbon Steel
  • Connection: Flanged
  • Manufacturing Way: Forging
  • Sealing Face: RF,Rtj,FF Ect
  • Product Name: Spectacle Blind Flange with RF
  • Sample: Available
  • Brand: Derbo
  • Trademark: DERBOSTEEL
  • Specification: API
  • HS Code: 3917400000
18 Inch ASTM A516 Gr70 CS Spectacle Blind Flange with RF
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.Pipe Flange Showcase
18 Inch ASTM A516 Gr70 CS Spectacle Blind Flange with RF
3.Pipe Flange Production Facility
18 Inch ASTM A516 Gr70 CS Spectacle Blind Flange with RF
4.Pipe Flange Qulality Control
18 Inch ASTM A516 Gr70 CS Spectacle Blind Flange with RF
18 Inch ASTM A516 Gr70 CS Spectacle Blind Flange with RF
5.Pipe Flange Packing and Transportation
18 Inch ASTM A516 Gr70 CS Spectacle Blind Flange with RF

6.Chengdu Derbo Steel Service
18 Inch ASTM A516 Gr70 CS Spectacle Blind Flange with RF


Chengdu Derbo Steel focus on pipe flange for project application for more than 10 years with good quality and reasonable price,has succeed to cooperated with Shell,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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