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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?
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! n8 h0 Y9 o K5 `7 b9 l: G27.2 One sample is to be subjected to 100,000 cycles of complete opening and closing of the valve.7 n7 a. w% E+ S2 L* Z, q; l
When the construction incorporates an overpressure shutoff device that is in accordance with 14.1(b) and! z/ _5 o* Z8 I5 N0 \# k
that is activated by the regulator linkage mechanism, the sample is to be subjected to the number of4 C, J" B: A" P! Z" o/ L, o
cycles and test conditions covered in 27.6. When the construction utilizes nonmetallic materials in the
- H, U3 D# v, j1 [ { v1 hlinkage assembly a second sample is to be subjected to the test conditions specified in 27.5. |
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