5、安全阀与锅炉的连接管，其截面积应不小于安全阀的进口截面积。如果几个安全阀共同装设在一根与锅筒直接相连的短管上，短管的通路截面积应不步于所有安全阀排汽面积的1.25倍。
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PGM4-3X/050RA11VU2
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PGM5-3X/063RA11VU2
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PGM5-3X/080RA11VU2
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WKQ-014,万福乐电磁阀，瑞士WANDFLUH，万福乐电磁球阀AS32061A-G24
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WKR-009,
WJPR-211,
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WJPR-204,
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WJPR-209,
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WJPR-213,
PGM5-3X/100RA11VU2
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PGM5-3X/125RA11VU2
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PGM5-3X/160RA11VU2
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PGH4-3X/020RE11VE4
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PGH4-3X/020RR11VU2
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