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| Table 3- Temperature limits
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| 61010-1(ed.1);am1;am2, y* E' r4 B9 [3 P9 W
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Standard:0 a: I( s- D- j3 [; Z
IEC 61010-
9 P: t8 z! {/ W! Z1:1990+A1:1992+A2:1995
* W0 m- Z* h, H: `6 lSub clause:
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4 E' `9 {- c0 KSheet n. 3087 M5 w; q- l2 L/ s7 x( a$ B% g
Page 1(1)+ A8 g. H; ?8 R3 d9 v
Subject:+ w: e' x4 ^* J- w1 a( U/ w
Table 3 - Temperature limits" B- A$ E; `) ^& F
Key words:
5 w% \ R6 Y ~ d8 X7 |- Fire point
, w- X* G9 ?8 d7 R' c4 P; x- Temperature" @4 a- k- f( }( @, o% J/ s
Decision taken by
* U5 l3 e# i( G6 h% }% | u8 v# Y$ l2 NETF3 and confirmed" c( \3 n! |+ Q
by CTL at its 38th' n: z. [) H, o5 q, H
meeting, in Toronto
9 F1 @4 l' O+ PQuestion:& l" L. |5 G" `- R ]9 a* `. |$ N
How can the requirements of this clause be used for parts in contact with liquids. Where can0 _& F5 t6 j C% e/ `7 {5 S* N
the figures for Fire Point be obtained?
/ V$ t2 |4 O8 M, \; A9 UDecision and Explanation
/ K+ L8 Q& x0 V9 N% _This requirement should only be applied where a hazard may arise.! M+ \/ y+ z0 M* w$ U
Figures for fire point are available in ANSI/NFPA 497-1997, published by the National Fire2 Q+ e9 y. l5 k) ]' V/ M
Protection Association, Quincy, Massachusetts, USA.
. ^- i6 f% q) eTable 2-1 of NFPA 497 identifies flash points, autoignition temperatures% K7 \; d, q9 s) L+ w' ]
(fire points), lower and upper flammable limits (in %), vapor densities,
+ V( z! E. W1 gvapor pressures, minimum ignition energies, minimum ignition current ratios,* h3 V4 @0 S8 Y/ \
and maximum experimental safe gaps of approximately 225 common liquids and! N% J& \& m2 i0 k1 S
gases., f: h# G) n! d3 w" P) ~2 T
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