shipping - sti/spfa vessels/sswseminaroct2012... · asme flanged & dished head . elliptical...
TRANSCRIPT
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Shipping
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Shipping
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Shipping
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ASME FLANGED AND DISHED
IKR MUST BE A MINIMUM 6% OF DIAMETER (OR 3 x THICKNESS IF GREATER)
DISH RADIUS MUST BE EQUAL TO OR LESS THAN DIAMETER
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ASME Flanged & Dished Head
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ELLIPTICAL HEAD
2:1 IKR IS APPROX 15% OF DIA – IDR IS APPROX 80% OF DIA
90/17 IDR IS 90% OF DIA - IKR IS 17% OF DIA (Accepted by Code)
IDD ID / 4
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Elliptical Head
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ASME 80-10
IDR = 80% OF DIAMETER
IKR = 10% OF DIAMETER
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STANDARD FLANGED AND DISHED
IKR = MIN OF 3 x THICKNESS
IDR - NORMALLY 100% OF DIAMETER
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FLANGED ONLY HEAD
IS RECOGNIZED AS A CODE HEAD
IKR CAN BE 3 x THICKNESS INSTEAD OF MIN 6% OF DIAMETER
OAH = THICKNESS + IKR + STRAIGHT FLANGE
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Flanged Only Head
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DISHED ONLY
PREFER TO MAKE WITH “UNTRIMMED” EDGE
CAN PUT A “RADIAL” OR “VERTICAL” EDGE ON HEAD
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Dished Only Head
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ASME HEMISPHERICAL HEAD
IDR = INSIDE DIAMTER / 2
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ASME Hemispherical Head – 13’
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ASME Hemispherical Head – 360” Dia x 5/16” Thk
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CONICAL HEAD
INCLUDED ANGLE NORMALLY IN THE 60 – 160 DEG RANGE
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Conical Head
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ASME TORICONICAL HEAD
CONICAL HEAD WITH A KNUCKLE
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Flued Toriconical Head
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354” x 0.375” Polished Toricone
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20’ x 0.75” Standard F & D Heads
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