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| Flanges by Maitech |
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| Sizes and Ratings:
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- ANSI B16.5 /ASME FORGED FLANGES
Sizes of ½" to 24"
Class 150#, 300#, 400#, 600#, 900#, 1500# and 2500#
- MSS-SP-44 FLANGES/ANSI B 16.47 SERIES A & B
Sizes 24" to 48"
Class 150#, 300#, 600# and 900#
- API TYPE 6A - RTJ Face Flanges
- ANSI LONG WELDNECKS
- REDUCING FLANGES
- SPECTACLE BLINDS
Class 150# and 30#
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Materials:
- Carbon Steel - ASTM/ASME SA-105, A-350 LF-2, LF-3, A694, SA-516-70, A36
- CHROME ALLOYS - A-182-F-1, F-5, F-6, F-7, F-9, F-11, F-12, F-22, F-51
- STAINLESS STEEL - A-182 - F-304, 304L, 316, 316L, 309, 310, 317L, 321, 347, Alloy 20
- ALUMINUM - 1100, 2014, 3003, 5083, 5086, 6061, 7075
- HASTALLOY - B-2, C-276, G, X
- INCONEL - 600, 601, 625, 718
- INCOLLOY - 800, 825
- MONEL - 400
- COPPER - C11000
- COPPER – NICKEL 90/10 To BS and ASTM Standards
- TITANIUM
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Brief Description
Welding Neck Flanges - Smooth hub transition from flange
to weldend. Most common type of high-pressure flanges.
Slip-On Flanges - This flange fits over the pipe and is
then welded in position.
Socket Weld Flanges - Pipe fits in to the recess to
allow smooth flow through the flange.
Lap Joint Flanges - Mainly used with a matching stub
end. Bolt holes can be aligned with pipe after welding.
Threaded Flanges - can be attached to the pipe without
welding. Saves time and cost.
Swivel Ring Flanges - Mostly used for ease of assembly
at subsea. High strength and resistance to external loads.
Blind Flanges - Normally a flat disk with raised or RTJ
face to match mating flange.
Orifice Flanges - Mainly used for flow rate metering of
pipelines.
Anchor/Hanger Flanges - supports pipelines and risers.
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