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| Table 3- Temperature limits
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| 61010-1(ed.1);am1;am2
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Standard:
, a f( N2 v& Y& l& r3 x% B8 rIEC 61010-
6 @0 P; n+ q* T# o( k1:1990+A1:1992+A2:1995
" R5 j9 P9 V1 |! kSub clause:; {7 j& E3 ]- `1 y. {; j
9
Y9 j! p- D5 L: o/ FSheet n. 3086 v3 D. a' m9 m0 V. W
Page 1(1)9 O5 b4 C) a$ M2 r; [4 b& G
Subject:
# S+ j% u$ T% q1 x: j- [ u: KTable 3 - Temperature limits1 a5 m3 c' Q+ P/ V, d
Key words: u" o7 Z& p8 ~7 e& S/ Q5 M
- Fire point
/ B! ?/ n8 M7 H- v- Temperature \- d+ S# i) r
Decision taken by4 z2 X8 p. s! U+ \& I7 X7 \$ H
ETF3 and confirmed, V$ v- M1 }* x4 J' `3 I! _5 P$ s
by CTL at its 38th; X, t3 ~) j8 J# r; D0 A4 B
meeting, in Toronto
/ G5 f9 |' X: O8 e6 [" F UQuestion:& {) Z9 o; _5 K @
How can the requirements of this clause be used for parts in contact with liquids. Where can
6 y: |; {5 }9 t. cthe figures for Fire Point be obtained?
, R5 l( l' T# W# ^; H- k! G3 b0 lDecision and Explanation
- [! d& w9 [; O" wThis requirement should only be applied where a hazard may arise. |: U, K1 ]7 N$ w1 u$ E& L/ x% q
Figures for fire point are available in ANSI/NFPA 497-1997, published by the National Fire
2 s7 s) a6 G3 Q1 W5 P- |0 x. [Protection Association, Quincy, Massachusetts, USA.+ Y; R' v( R. {( X
Table 2-1 of NFPA 497 identifies flash points, autoignition temperatures
$ E6 U4 [( ]' x% t" H(fire points), lower and upper flammable limits (in %), vapor densities,
7 X; {' s5 D: T5 E+ Xvapor pressures, minimum ignition energies, minimum ignition current ratios,
& o& D. Y, O* w8 ^! T: jand maximum experimental safe gaps of approximately 225 common liquids and0 G9 n. D8 X5 f/ ^2 _4 e& u. e; \
gases.
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