发布时间:2021-09-02 来源:福建阀门 编辑:标光阀门
使用条件 | 连接形式 | ||||||||||
螺纹连接 | 法兰连接 | 焊接 | |||||||||
管螺纹 | 活接头 | 全面座 | 平面座 | 凹凸法兰 | 榫槽连接 | 梯形槽连接 | 承插悍 | 对接焊 | 焊 | ||
大 | 小 | ||||||||||
温度、压力 | |||||||||||
高温高压 | × | × | × | × | △ | ○ | ● | ● | ● | ● | × |
中温中压 | △ | ○ | × | ○ | ● | ● | ● | ○ | ○ | ○ | ○ |
常温高压 | ● | ● | × | △ | ○ | ● | ○ | ○ | ○ | × | × |
低压 | ● | ● | ● | ● | ● | △ | ○ | × | ○ | × | ○ |
低温 | △ | × | × | ● | ● | ○ | ○ | × | ○ | ○ | ○ |
温度、压力变动 | × | × | × | × | △ | ○ | ○ | ● | ● | ● | ○ |
气体 | ○ | ○ | ○ | ○ | ● | ● | ● | ● | ○ | ● | ○ |
爆炸性 | △ | △ | × | × | × | ○ | ● | ● | ● | ● | ○ |
液体 | ● | ● | ● | ● | ● | ○ | ○ | ● | ○ | ○ | ● |
浸没性 | △ | △ | × | × | △ | ○ | ● | ● | ● | ● | ● |
其他 | |||||||||||
放射性 | × | × | × | × | × | × | × | × | ● | ● | × |
口径 | |||||||||||
<25mm | ● | ● | ○ | ○ | ○ | × | × | × | ● | × | ● |
<50mm | ● | ○ | ● | ● | ● | △ | △ | ○ | ● | ○ | ● |
·<100mm | ● | × | ● | ● | ● | ○ | ○ | ● | △ | ● | × |
>100mm | × | × | ● | ● | ● | ● | ● | ● | × | ● | × |
与管路连接的难易性 | × | ● | ● | ● | ● | ○ | △ | ○ | × | × | × |
经济性 | ● | △ | ● | ● | ● | ○ | ○ | △ | ○ | ○ | ○ |