ASTM A815 / ASME SA815 304/304L Pipe Fitting Blind Flange
Blind Flange:
Blind flange is a solid disk used to block off a pipeline or to create a stop. Similar to a regular flange, a blind flange has mounting holes around the perimeter and the gasket sealing rings are machined into the mating surface. The difference is that a blind flange has no opening for fluids to pass through.
Blind Flange Product Description:
1 . Commodity: Welding Neck, Blind, Slip-On, Lap Joint, Socket Weld, Threaded, Spectacle Blind, etc |
2 . Surfacing: RF, FF, RTJ |
3 . Materials: Stainless Steel, Duplex Steel, etc |
4 . Standards: ANSI B16.5, ANSI B 16.47 |
5 . Tolerances: according to the specification or customer’s request and drawings |
6 . Applications: Pipe connection, Piping project construction, etc |
7 . Pressure class : 150 - 2500lbs; class 150-class 2500 |
Blind Flange Advantages
a) Superior surface finish
b) Better mechanical property
c) More precise dimension
d) Perfect inspection method and inspection equipment
Blind Flange Test:
NTD ( Ultrasonic test, Eddy Current test )
Mechanical Test ( Tension Test, Flaring Test, Flattening Test, Hardness Test, Hydraulic test )
Metal Test ( Metallographic Analysis, Impact Test - High/low temperature )
Chemical Analysis ( Photoelectric Emission Spectroscopic )
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