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在UL 144中写到activated by the regulator linkage mechanism请问这是一种什么类型的调压器?% V- n, K* {/ U$ Q e
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; f# \& ]1 T( F X2 f' I, ~27.2 One sample is to be subjected to 100,000 cycles of complete opening and closing of the valve. u; t5 X. z3 |" B& _5 K6 s [/ x
When the construction incorporates an overpressure shutoff device that is in accordance with 14.1(b) and+ w% P9 S& g& i% k, _
that is activated by the regulator linkage mechanism, the sample is to be subjected to the number of
# K0 U4 p& u' Z2 L$ n; Icycles and test conditions covered in 27.6. When the construction utilizes nonmetallic materials in the# L. x2 D/ M! ^
linkage assembly a second sample is to be subjected to the test conditions specified in 27.5. |
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