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6 j! u, \8 y7 D- f) ]8 H" P6 y) P0 a0 ]* u; u2 [- U" `+ G) a2 x
| Table 3- Temperature limits& `) U# o P1 _/ [
| 92 l4 Y, S# k- z; @7 {. P \7 T d
| 61010-1(ed.1);am1;am2
" P( C' o# V$ |- H/ @& R | 3 k) b( U4 Z5 P9 f; |
6 {) ?9 L7 t) N& f$ f' i& Q4 N
Standard:3 y$ y% k! o2 j
IEC 61010-- f* u. M7 U8 [
1:1990+A1:1992+A2:1995
. h6 y& Z6 C$ kSub clause:8 b$ f" v7 K( R Y" f% g+ R
9
4 u, _/ K7 r5 b: l3 ISheet n. 308
, V4 K$ Y1 y7 y4 t/ V# h+ gPage 1(1)
% h) X) l3 I4 d, D. r! w6 xSubject:
5 Y8 H, z* M0 p0 ^* N' aTable 3 - Temperature limits5 @5 [ O- w; b1 C* H9 Q7 W
Key words:" U% T3 S5 M2 L
- Fire point
) o6 q) h8 \# S5 @' O) E- Temperature, g$ ]: }4 x# x! ?* O% s0 X
Decision taken by
( [8 F7 B& F, q7 H9 y, k" GETF3 and confirmed( E) o% M7 [/ R5 ?+ i
by CTL at its 38th
( ^" r8 d: Y! z! {2 s5 ymeeting, in Toronto* f' Q3 ]% h+ e! l( a; _( ?
Question:
# _3 \& N4 V K4 {( B# ^+ JHow can the requirements of this clause be used for parts in contact with liquids. Where can2 w/ E% {( j/ R) M9 I" F* M
the figures for Fire Point be obtained?0 z, o) k D6 {
Decision and Explanation
' B8 n/ G, s" Y: P/ ]' `) GThis requirement should only be applied where a hazard may arise.
0 d% o3 a" [$ E' Z, `# K# EFigures for fire point are available in ANSI/NFPA 497-1997, published by the National Fire; m0 O& U: s, g8 f5 T% I
Protection Association, Quincy, Massachusetts, USA.: Y% T* c! D9 C4 g
Table 2-1 of NFPA 497 identifies flash points, autoignition temperatures
0 Z+ l) c* V$ m |- I(fire points), lower and upper flammable limits (in %), vapor densities,
5 g. v: N/ h R3 K0 d' O& P& ?" G0 Ovapor pressures, minimum ignition energies, minimum ignition current ratios,
4 U* w' @. G/ c/ Gand maximum experimental safe gaps of approximately 225 common liquids and
5 U1 i i/ y0 `- ?" h; D3 Tgases.
5 @" @. G4 ^# n' _0 d E4 ], B m9 ~/ o0 N
/ Z# a+ e; \1 e, L' A4 }2 l9 u; p+ Q" X, \4 D6 e' M
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