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Specifications
1.Size:1/2"-20",DN10-DN5002.Certificate:ISO9001 TUV
3.Material:304 304L 316L
4.5years experience export to Europe
Socket Welding Flange
Material:A105/Q235,304/304L,316,316L,A182F5,A182F11,.ect.
Pressure:150lbs-2500lbs
flat welding flange
Material:A105/Q235,304/304L,316,316L,A182F5,A182F11,.ect.
Pressure:150lbs-2500lbs
Facing:RF/FF/
Material:A105/RST37.2/C22.8/Q235,304/304L,316,316L,A182F5,A182F11,.ect.
Pressure:150lbs-2500lbs
Facing:RF/FF/RTJ
Features Specifications: Flange, Welding-Neck, Slip-On, Blind, Threaded,
Lap-Joint
Welding Neck Flanges:The welding neck flange is normally referred to as the
"high hub" Flange. It is designedto transfer stresses to the pipe, thereby
reducing high stress concentrationsat the base of the Flange. The welding neck
flange is the best designed butt-weldedflange of those currently available
because of its inherent structuralvalue. It is expensive because of the design.
Threaded (Screwed) Flanges:The threaded flange is similar to the slip-on flange,
but the bore is threaded. Itschief merit is that it can be assembled without
welding, explaining its use inlow pressure services at ordinary atmospheric
temperatures and in highly explosiveareas where welding create a hazard.
Slip-On Flanges:The slip-on flange has a low hub because the pipe slips into the
flange prior towelding. It is welded both inside and out to provide sufficient
strength and preventleakage. Slip-on flanges are all bored slightly larger that
the O.D. of thematching pipe. They are preferred over welding neck flanges by
many users due totheir lower initial cost, but final installation cost is
probably not much lessthan that of the welding neck flange because of the
additional welding involved.
Lap joint Flanges:The lap joint flange is practically identical to a slip-on
flange except it has aradius at the intersection of the bore and flange race.
This radius is necessaryto have the flange accommodate a lap joint stub end.
Normally, a lap joint flangeand a lap joint stub end are mated together in an
assembly system.
Blind Flanges:The blind flange is a flange without a bore. It is used to close
off the ends ofa piping system and/or a pressure vessel opening. It also permits
easy access tothe interior of a line or vessel once it has been sealed and must
be reopened.
Socket Welding Flanges:The socket welding flange is similar to a slip-on flange
except it has a bore anda counter bore dimension. The counter bore is slightly
lager than the O.D. of thematching pipe, allowing the pipe to be inserted into
the flange similar to aslip-on flange. The diameter of the smaller bore is the
same as the I.D. of thematching pipe. A restriction is built into the bottom of
the bore which sets asa shoulder for the pipe to rest on. This eliminates any
restriction in flow whenusing a socket welding flange..
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