INTERNATIONAL STANDARD IS0 674342 First edition 1 989 I l 01 Lubricants, industrial oi ls and related products (class L) Classification Part 1 2 Family Q (Heat transfer fluids) L ubrifian ts, hui les[.]
Trang 1First e itio
19 9-I l-01
L ubr if ian ts, h ie in u tr i le et pro uits c n e e fclase L I - Clasificatio -
Parie 72: F mi e 0 (Fluid s d tr an fer t d c ale r )
Ref eren e n mber
Trang 2For ew or d
IS0 (h Inter natio al Or ganizatio for Stan ar dizatio ) is a w or l w id f ed ratio of
natio al stan ar ds bo ie (IS0 member bo ie ) T he w ork of pr ep ri g Inter natio al
bo y inter este in a s bje t for w hic a te h ical c m ite has be n e tals e has
t he r i ht to be repr es nte o that c m ite Inter natio al or ganizatio s, g v er n-
me tal a nd n n-g v er nme tal in lais n w ith ISO, als take pr t in t he w ork IS0
maters of ele tr ote h ical stan ar dizatio
Draf t Inter natio al Stan ar ds a dopte by t he te h ical c m ite s are circ late to
th member bo ie for a pr ov al bef ore th ir aceptan e as Internatio al Stan ar ds by
th IS0 Co n i T he ar e a pr ov ed in ac or dan e w ith IS0 pr oc d r es r eq irin a t
least 75 % a pr ov al by th member bo ie v otin
Internatio al Stan ar d IS0 67 312 w as pr ep red by T ec nical Com ite lSO/ TC 2 ,
Petole m pr od cts a nd lubr i ants
IS0 67 3 c n ists of th f olow in p r ts, u d r t he g n r al
ois a nd r elate pr od cts (clas Ll
- Clas ificatio :
title Lubr i ants, in u tial
- Pa 7 : F miy A (Total lo s s y temsl
-
- Par 3 : F miy D (Gas a nd r ef rig r atio c mpr esors)
- Par 5: F miy T (Tur bin s)
-
Par 7: F miy M (Metalw orkin )
-
Par 70: F miy Y (Mis elan o s)
-
Par 7 7: F miy P (Pn umatic to ls)
-
Par 72: F miy Q (Heat tr an f er fluid )
-
Par 73: F miy G (Sld w ay )
Al r i hts r eser v ed No pr t of this publcation may b r epr od ced or utized in a ny for m or by a ny
men , electr onic or mecanical, in lu in photoco yin an microfim, without prmision in
wr itin fr om the publse
Inter national O anization for Stan ar dization
Case pstale 5 l C -21 Genev e 2 e S itzer lan
Trang 3Lubr icants, industr ial oi s and r elated pr oducts
famiy 0 (h at tr an f er fluid ) Al pr od cts lste belo g to
clas L (Lubr i ants, in u tr ial ois a nd r elate pr od cts)
This p r t of IS0 673 s o ld be r ea d in c nju ctio
IS0 67 3-O
w ith
T he folow in stan ar ds c ntain pro isio s w hic , t hrou h
r ef er en e in this te t, c n titute pr ovisio s of this prt of
IS0 67 3 At th time of publcatio , th e itio s in ica te
w ere v ald Al stan ar ds are s bje t t o rev isio , a nd p r tie to
agr eeme ts b s d o this p r t of IS0 673 are e c urag d to
inv estigate th po sibity of aplyin t he mo t r ec nt e itio s
of t he stan ar ds lste below Members of IEC an IS0 main-
tain r egisters of c rr ently vald Inter natio al Stan ar ds
ls e by d f inin th cate orie of pr od cts r eq ir ed f or th
main a pplcatio s of this famiy
two le er s, w hic t og th r c n titute a c d
NOT - The fir st leter of the c ategor y (Q) identifies the pr od ct
famiy, i.e fluid for he t tr an fe An folowin lete taken sea r -
a tely, ha s no sig ifican e of its own
ad itio of vis o ity gr ad s ac or din to IS0 348
3.3
In th pr es nt clasificatio s stem, pr od cts a r e d sig-
na t ed in a u ifor m man er For e ample, a p r tic lar pr od ct
may be d sig ate in c mplete for m, ie ISO-L-QA 2 0, or in
a n a br ev iate for m, ie L-QA 2 0 In bot h cas s, t he n mber
in icate t he vis o ity grad in ac or dan e w ith IS0 348
IS0 34 8 : 1975, In u tr ial lq id lubricants - IS0 vis o ity
clasificatio
I SO 67 3-O : 19 1, Lubr i ants, in u tial ois a nd r elate
Trang 4Ta le 1 - Clas ificatio of fluids for h at tra sfer
Mor e
Pr od ct ty pe
Symbl
leter a plcation aplcation*)
Typical aplcation
Remar ks
aplcation
r eq ir ements
ISO-L
0
Opn oi container s
The fir e r ik for the
mec anical or elec-
sal b a c onider -
< 5 OC
Maximum
sy stem, the oer atin
mes r ed
en ir onment an the
tempr atur e out for ced c ir - thermal staity
fluid itself
sy st e
wa ter bth
1) Units with het-
tr a nsfer fluid hetin
QC
expnion tank, v ent
an <2°C
s t e s
QD Het tr anfer fluid
mes r ed
2) Fr u its with
tempr atur e
circlation ther mal staity
het ex an e for
>2 OC
hetin of fo dtufs,
the het-tr a nsfer fluid
Maximum
sal comply with
mes r ed
aplcale national
h iene an safety
> -3 OC
tempr atur es an
reg lation
an <0°C
with thermal staity
“ T mpr atur es in icated in this column a r e of the bulk of the oi, mes r ed in the dis ar ge lne fr om the hete They ar e not the
tempr atur es the fim of oi in conta ct with the hete whic ma y r ea ch mu h hig er v alues
Des ptor s : ptroleum pr od c ts, ois, clasification, het tr a nsfer fluid
Pr i e bsed on 2 pges