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Carbon Steel Welding Blind Flat Flange

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  • Carbon Steel Welding Blind Flat Flange

Product Information

Carbon Steel Welding Blind Flat Flange

Blind Flanges are manufactured without a bore and used to blank off the ends of piping, Valves and pressure vessel openings.

From the standpoint of internal pressure and bolt loading, blind flanges, particularly in the larger sizes, are the most highly stressed flange types.

However, most of these stresses are bending types near the center, and since there is no standard inside diameter, these flanges are suitable for higher pressure temperature applications.

Materials

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

Types

Slip On Plate Flange/Plate Flange , Slip On Hub Flange/Bossed

Welding Neck Flange/WN flange/ Loose Flange/Lapped Flange /Backing Flange

Blind Flange/Blank flange, Lap Joint Flange /LJ Flange

Socket Weld Flange/SW Flange Threaded Flange/Screwed Flange

Loose Flange/Lapped Flange Backing Flange RTJ /o-Ring

Custom Flange/Special Flange Hot/Cold/Electro Gavanized Flange

Standards

ANSI/ASME/ASA B16.5 FLANGES, ANSI B16.47 A/B FLANGES

JIS B 2220 FLANGES, KS B 1503, DIN SERIES, UNI, EN1092-1, BS4504

BS 10 TABLE D/E/F FLANGES, SANS 1123 FLANGES/SABS 1123

GOST12820-80/GOST12821-80, NFE29203/NS/AS/ISO/AWWA FLANGES

Pressure &Ratings

150LBS, 300,600,900,1500,2500 ANSI, ASA B16.5

PN6 PN10 PN16 PN25 PN40 PN64-DIN/UNI

PN6 PN10 PN16 PN25 PN40 PN63-EN1092-1/BS4504

PN0.6Pa, PN1.0Pa, PN1.6. PN2.5,PN4.0-GOST12820-80

PN0.6Pa, PN1.0Pa, PN1.6. PN2.5,PN4.0, PN6.3. -GOST12821-80

600kPa, 1000.1600.2500.4000.-SANS 1123

5KG, 10KG, 16KG, 20KG, 30KG, 40KG-JIS B2220/KS B1503

TABLE D, TABLE E ,TABLE F-BS 10, AS2129

CLASS D, CLASS E, CALSS F, AWWA C207

Surface Treatment

Rust Prevention , Black Paint Coating or Phosphating Treatment with Black Color

Varnish Paint Coating, Varnish Oil Coating,

Electro Galvanizing Coating (Cold Galvanizing, Color Golden or silvery white, Coating thickness 20~30(um)

Hot Dip Galvanizing Coating (Coating Thickness 200um around)

Technical

Forging

Application

Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry

and general pipes connecting projects etc.

Inspection

Quality Control System-Well Equipments and Machinery-Well Workers and Engineers

Packing

Wooden Pallets or Wooden Cases or As Customers' Requirements

Payment Terms

L/C Or 30 % Advance By T/T and The balance Will be Paid After the copy of B/L

Delivery Time

30 Days \after the Advance or the L/C

After-Sales Service

Orders and Products Tracking System

 

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