7/25/2019 Validacin del nmero de esparragos en tapas de recipientes de acuerdo a ASME 16.34

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ASME 16.34

6.4 JUNTAS DE VLVULAS

Las vlvulas con bonete atornlla!o o rosca!o o "untas cubertas o "untas !ecuer#o !eben $antener el s%uente es&uer'o !e tens(n o re)uer$entos !elrea !e corte.

6.4.1.1 *onete atornlla!o o "untas cubertas. Don!e bonetes o ta#as sonun!os al cuer#o !e las vlvulas #or $e!o !e tornllos+ la tornller,a !ebe !eser rosca!a en acuer!o con ASME *1.1 #ara tornllos en #ul%a!as o ASME*1.13M #ara tornllos $-trcos co$o $,n$o+ !eben sats&acer los s%uentesre)uer$entos !e rea !e secc(n transversal/

PcA g

A b K

1Sa9000

D(n!e/

Ab0 rea total e&ectva !el es&uer'o !e tens(n.

A%0 rea cuberta #or la #er&era eteror e&ectva !e una "unta u 2rn% u otra

#er&era !e selloe&ectvo+ ece#to )ue en el caso !e una "unta anllo+ el reacuberta es !en!a #or el !$etro !e #aso !el anllo.

5106.768M9a cuan!o Sa es e#resa!a en M9a.

5106.768#s

9c0Des%nac(n !e

ASME B16.34

6.4.1.1 Bolted Bonnet or Cover Joints.

Where bonnets or covers are joined to valve bodies by means of bolting, bolting

shall be threaded in accordance with ASME B1.1 for inch dimensioned bolting or

ASME B1.13M for metric bolting and, as a minimm, shall satisfy the following

bolt cross sectional area re!irements"

7/25/2019 Validacin del nmero de esparragos en tapas de recipientes de acuerdo a ASME 16.34

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Ab" total effective bolt tensile stress area

Ag" area bonded by the effective otside #eri#hery of a gas$et or %&ring or otherseal&effective #eri#hery, e'ce#t that in the case of a ring&joint the bonded area is

defined by the #itch diameter of the ring

(1" )*.+)M-a when Sais e'#ressed in M-a nits or .*#si when Sais e'#ressed

in #si nits

-c" #ressre rating class designation i.e. 1*/, 3//, )//, 0//, 1*//

Sa" allowably bolt stress at 3 degrees 2 1// degrees 45, M-a #si5. When

greater than 136.0 M-a +/,/// #si5, se 136.0 M-a +/,/// #si.5

7he allowable stress vales shall be ta$en from the ASME Boiler and -ressre

8essel 2ode, Section 99, -art : sing the listings for Section 8999, :ivision 1, orSection 999, :ivision 1, 2lass + or 2lass 3. 7his algebraic e'#ression re!ires that

a consistent set of nits be sed.