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发表于 11-22 13:15:01
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WPS和PQR都是舶来品7 ?+ U, r/ n" V
一般企业弄个小气焊啥的哪里知道这玩意...但是做过大型钢构、工程焊接、压力容器焊接的就肯定知道是什么东西了) J" f' c o6 n# P# _% b0 s
; D3 }; z5 M: J. k- M7 ~: W4 J查US的资料对于氧压表的管理要求无非:" R& _; ~6 q0 }- M% _
Care of Gauges6 @+ c. M6 a* |2 e- X8 B9 P
Gauges should be given the care afforded to any precision instrument.
% m) u9 |" V/ p. R% k8 r4 K(1) To avoid the possibility of an explosion, never permit oil to get into any oxygen apparatus.1 v9 |. K, x1 b8 A7 }
(2) Never apply pressures to gauges suddenly. Open valves on cylinders slowly.
6 e+ z! o( b, N(3) Do not apply pressures to the full scale of the dial.
# p9 w" i6 N! ~- Y8 |(4) Do not apply full tank pressures with the regulating screw on reducing valves which are screwed all& Z1 t3 ?& f- O M
the way in. Increase the pressure on low-pressure gauges slowly.
' ^& ~9 ~2 |; X8 H9 n(5) When installing gauges to apparatus, do not attach a wrench on the pipe threads; use the square1 v# d- ~1 ]; P
above the pipe threads.& ?1 |9 M1 w3 E/ ?
(6) Handle gauges with care. The mechanism can be damaged or destroyed if they are bumped, jammed/ c% g' g8 r' q! X" G5 p
or allowed to fall on the floor.
]+ m9 ?3 F0 a( h y(7) A gauge that is giving incorrect readings can be a hazard. Do not try to repair a defective gauge. Take it to an authorized gauge repair shop.1 L& G! O4 V8 O3 J
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至于calibration的要求,也仅在自动焊接系统、超声波探伤等方面提出要求+ i" Y% B) b; v8 {
当然,老美的东西不见得符合中国的国情,但是实际上我们国家的国标,大部分是抄过来的,大家心里也清楚...而且很多修改也不过是改得更低一点而已...
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要知道一个氧压表是否准确,有时候很简单,指针能不能归零?自建检查档案?
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坏了的氧压表要么修、要么换
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虽然说从安全角度出发是为企业负责的一种表现,但是只是强调自认的安全,而忽视企业的感受和承受,是真正的为企业负责吗?谁说一定要检定才能保证安全呢?尤其是这种无法找到明确依据,只能凭借个人理解的“猜测”?8 ~+ J; c( A+ a9 u* Z$ c# ?7 R: Q- n3 X
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