Leakage of the Valve Body and the Bonnet Reason: 1. The casting quality of iron castings is not high, and there are defects such as sand holes, loose structure and slag inclusion on the valve body...
The casting material is integrally cast in a mold, and its stress distribution is uniform. There is no restriction on the compression direction. The forging is pressed by the force in the same direction,...
The maintenance and management of the valve include the whole process of picking up and handling, storage and installation, which is an important guarantee measure for the normal operation of the valve....
In the industrial field, process parameters such as medium flow, pressure, temperature and liquid level are just like several meridians in the production process, which are very important, and regulating...
The specifications and categories of valves shall meet the requirements of pipeline design documents. 1. The model of the valve shall indicate the national standard according to numbering rules. If it...
Under the influence of the COVID-19, our factory still chooses to develop continuously. In order to meet the API 607 fire certificate of conformity with technical requirements,...
SPE (Single Piston Effect) seats are usually called self-relieving seats. Trunnion-mounted ball valves with SPE seats are able to release excess pressure in the cavity into the pipeline automatically....