这个标准涵盖塑料美国锥管螺纹(NPT)的尺寸和计量方法，用于泄漏密封连接，现在已在所有有关塑料管道产品的ASTM标准中引用。
The standard covers dimensions and gaging of plastic tapered National Pipe Threads (NPT) for leak-tight joints, and it is now referenced in all ASTM Standards for plastic piping products.
标准B2.4 -这个标准控制美国尼必可软管连接螺丝螺纹。
A. N. s. I. standard b2.4-this standard controls NIBCO hose coupling screw threads.
直到最近，这些标准涵盖PV C (D- 2464)和CPVC (F - 437)目录80螺纹压力连接件。
Until recently, these standards covered PVC (D-2464) and CPVC (F-437) Schedule 80 threaded pressure fitting.
本标准适用于ISO米制螺纹平支承面的机械连接元件。
This standard applies to mechanical joining elements with metric ISO thread and flat head bearing surface.
螺纹连接器比标准的s形挂钩有更加坚固。
The threaded connectors are more durable than standard "s" hooks.
的流速范围，软管连接和(M型)螺纹连接可作为标准模式。
A wide range of flow rates, hose connections, and threaded connections (m type) are available as standardized models.
防喷管线应采用螺纹与标准法兰连接，不允许现场焊接。
Blowout preventing lines shall be connected by threads and standard flanges, and on site welding is forbidden. Field welding is not permitted.
应该排水阀上有螺纹，可连接标准软管。对于橱柜类型热水器，前部面板…
On Table Top models, the front panel must be removed to gain access to the drain valve.
应该排水阀上有螺纹，可连接标准软管。对于橱柜类型热水器，前部面板…
On Table Top models, the front panel must be removed to gain access to the drain valve.
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