1．送入水压试验的阀门，不准有裂缝、气孔、凹痕，阀杆调节不许有卡住现象。
1. hydraulic pressure test valve, no cracks, holes, dents, stem adjustment shall not be stuck phenomenon.
2．压力表疲劳试验台使用和备用的螺栓、螺母必须经过强度计算并打上印记，防止混淆。
2. pressure gauge fatigue test bench and spare bolts and nuts must be calculated by strength and mark to prevent confusion.
3．试验的工件必须紧固在装置上，不许自由放置。
3. the workpiece must be fastened to the device, and shall not be placed freely.
4．试验用的橡皮圈，或其它弹性衬垫，不能有开云在线官方、分层、松动或失掉弹性的现象。

4. the rubber ring or other elastic pad used in the test can not have the phenomenon of concavo convex, layered, loose or elastic.
5．压力表疲劳试验台按照产品工艺规程进行加压试验，升压到工作压力以上时，绝不允许拧动螺母，夹紧装置和元件上的其它部件。
5. pressure gauge fatigue test stand according to the product process for pressure test, when the pressure is raised above the working pressure, the nut must not be screwed, the clamping device and other components on the component.
6．端盖必须符合技术文件规定，并经试验合格，方可使用，当试验压力超过计算压力25％时不准使用。
The 6. end cover must be in accordance with the technical documents, and can be used after passing the test. When the test pressure is more than 25% of the calculated pressure, it is not allowed to use.
我们每个环节分工明确，为客户提供完美的服务。但我们也深知，行业竞争愈演愈烈，前路依然波折艰难，因为有您的信任与支持，让我们有信心做得更好，也走得更远，我们将永远保持一贯务实求精的精神、饱满的工作热情，为广大客户送去理想的产品。
We have a clear division of labor and provide perfect service to our customers. But we also know that the industry competition intensified, the road is still difficult because of twists and turns, with your trust and support, let us have confidence to do better, but also to go further, we will always maintain a consistent and pragmatic refinement of the spirit, full of enthusiasm, for our customers to send the most ideal products.