What is the difference between the integrated pneumatic ball valve and the magnetoelectric ball valve? D341x ventilation butterfly valve installation dimension drawing Here you can learn the d341x ventilation butterfly valve installation dimension drawing and relevant dimension information
Determination rules for type inspection of non-metallic compensators
If one or more items of the mechanical and physical properties, air tightness, fatigue performance and burst pressure test of the common rubber data of the ring belt of the non-metallic compensator do not meet the requirements, it is determined that the type inspection is unqualified. If other items do not meet the requirements, it is allowed to double the sampling and re inspection of the nonconforming items. If the re inspection meets the requirements, It is judged that the type inspection of non-metallic compensator is qualified. If there are still items that do not meet the requirements in the re inspection, the plate non-metallic compensator type is unqualified
