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| Table 3- Temperature limits
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" `: V# r- F9 u8 l& M9 L1 w | 61010-1(ed.1);am1;am2
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Standard:
% _5 r: b/ o9 Z0 m; sIEC 61010-. Q7 W! B8 B" L7 C$ Y( l1 @
1:1990+A1:1992+A2:1995
; o* }- ~( v% f" B! E% ? h7 jSub clause: n5 m' h4 A$ Y2 B/ J
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Sheet n. 308! f, {" O5 ?! s6 [4 n. D2 y( C
Page 1(1)
8 T3 _, Z2 o* f! ?Subject:
8 u; r! J: a$ u" iTable 3 - Temperature limits/ W/ X1 \+ N2 X; r& x: s7 A
Key words:
$ m& G/ a5 {6 Z. p- Fire point8 H9 H; O; _& \7 m7 q5 J4 K& h
- Temperature
9 K. W3 X4 G. ~1 w5 C; uDecision taken by1 R+ O' \$ s9 M. ^, v0 u: r
ETF3 and confirmed
$ C8 {0 M) i$ J w3 r# B; j+ Sby CTL at its 38th
" T0 V7 d8 o7 |% Hmeeting, in Toronto+ O$ M& Y- `1 g/ E' s6 F) \+ V4 ]
Question:" ^( ]3 Z2 C% S# ^
How can the requirements of this clause be used for parts in contact with liquids. Where can
3 R J1 R$ N0 @; {8 S, mthe figures for Fire Point be obtained?$ H2 ^1 E0 t8 [2 E: P( p6 Y" w
Decision and Explanation
f- q- z0 D. L! qThis requirement should only be applied where a hazard may arise.
0 E+ _& Q* g% o1 Z. ^+ fFigures for fire point are available in ANSI/NFPA 497-1997, published by the National Fire
! o; \9 n+ g! IProtection Association, Quincy, Massachusetts, USA.
% P! p' T3 M8 b. q) aTable 2-1 of NFPA 497 identifies flash points, autoignition temperatures
7 X4 O. b9 W5 j7 O2 z! Y2 B. }* U2 q(fire points), lower and upper flammable limits (in %), vapor densities,: [( P: U3 Y6 J! z' J# V
vapor pressures, minimum ignition energies, minimum ignition current ratios,
4 O; |) v9 @# e" ~, r0 `" V Dand maximum experimental safe gaps of approximately 225 common liquids and% V. s; h. T! P; _
gases.
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