弹簧直接载荷式安全阀 | ||||||||
弹簧自由高度的极限偏差 | ||||||||
自由高度 H2 |
≤20 | >20~60 | >60~120 | >120~200 | >200~300 | >300~450 | >450~600 | >600 |
极限偏差 | ±1.2 | ±1.6 | ±2.5 | ±3.5 | ±4.5 | ±7.0 | ±9.0 | ±1.5%Ho |
注:根据设计需要,允许对自由高度规定不对称分布的极限偏差。但其公差值应符合本表的规定。 |
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