Different Types of ANSI B16.5 Flanges
Threaded Flanges
Threaded flanges are a very popular
choice, since they can be easily integrated into an assembly without requiring
welding. Their threaded design also allows for flanges to be salvaged and
reused when an assembly is dismantled, provided the flange is otherwise in good
condition.
Standards, Dimensions & Weight
of Threaded flanges
Threaded Flanges can be used in very high
pressure services and their major advantage is that they can be assembled without
welding.
·
ASME/ANSI
B16.5 Class 300 TH
·
ASME/ANSI
B16.5 Class 600 TH
·
ASME/ANSI
B16.5 Class 900 TH
·
DIN
2565 PN6
·
DIN
2566 PN10
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Slip On Flanges
These
flanges are often chosen for applications where no disassembly is anticipated,
since these ANSI flanges are welded into place. Despite the fact that welding
is required, they are considered to be one of the easier types of flanges to
properly fit and align.
Standards,
Dimensions & Weight of Slip on flanges
The Slip-on flange has a low hub because
the pipe slips into the flange prior to welding.
·
ASME/ANSI
B16.5 Class 150 SO
·
ASME/ANSI
B16.5 Class 300 SO
·
ASME/ANSI
B16.5 Class 600 SO
·
BS
3293 Class 150 SO
·
BS
3293 Class 300 SO
·
BS
3293 Class 600 SO
·
DIN
86029 PN 10
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Blind Flanges
A
blind flange is most often used in applications, which require stopping up the
end of a flanged pipe, pressure vessel or valve. As the name implies, these
ANSI flanges do not feature an outlet.
Standards,
Dimensions & Weight of Blind flanges
·
ASME/ANSI B16.5 Class 150 BL
·
ASME/ANSI B16.5 Class 300 BL
·
ASME/ANSI B16.5 Class 600 BL
·
ASME/ANSI B16.5 Class 900 BL
·
ASME/ANSI B16.5 Class 1500 BL
·
ASME/ANSI B16.5 Class 2500 BL
·
DIN 2527 PN10
·
DIN 2527 PN16
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Lap Joint Flanges
These
ANSI flanges differ from other styles in that their use requires an end
connector; the pipe, valve or other product to be connected with the flange
does not come into physical contact with it. However, this type of flange
assembly allows for the rotation of the flange and makes it well suited for
applications where the assembly may need to be dismantled relatively frequently
for cleaning and maintenance.
Standards,
Dimensions & Weight of Lap joint flange
Lap joint flange is having two components, a stub end, and a loose
backing flange.
·
ASME/ANSI B16.5 Class 150 LJ
·
ASME/ANSI B16.5 Class 300 LJ
·
ASME/ANSI B16.5 Class 600 LJ
·
ASME/ANSI B16.5 Class 900 LJ
·
ASME/ANSI B16.5 Class 1500 LJ
·
ASME/ANSI B16.5 Class 2500 LJ
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