A kind of pipe flange with a long tapered huband gentle transition of thickness in the region of the butt weldjoining them to the pipe. According to their strong ability ofdeformation-resistance, they are adapted to high pressure andtemperature, PN 0.25~2.5MPa.

Dimention
3/8"???160"
DN10???DN4000

Pressure Class
CLASS 150,CLASS 300,CLASS 400,CLASS 600,CLASS 900,CLASS 1500
PN 6,PN 10,PN 16,PN 25,PN 40,PN 63,PN 100
Seal Surface
FF???RF???T???G???F???M???RJ

Standard
ASME B16.5-2009 ASME B16.47-2006
API605-1988
EN1092-1-2007 EN1759-1-2004
DIN2630 DIN2631 DIN2632 DIN2633 DIN2634 DIN2635 DIN2636 DIN2637DIN2638
BS1560-3.1-1989 BS4504-3.1-1989
JIS B2220-2004

Usage
Electricity???Petrol & Natural Gas???Petrofaction???ChemicalEngineering???Shipping???Heating???Paper Making???metallurgy,etc.