The valve body adopts investment casting technology.
Advanced technology to ensure that the valve body has no sand holes, surface more smooth and quality more reliable.
Back seat structure. In the fully open position, back seat will form a extra sealing, with stroke locate and anti-vibration function.
Overlay welded seat can keep reliable sealing under severe conditions.
Ergonomic hand wheel. It provide longer service life and easier
设计标准Design standard: DIN EN 13709:2003
结构长度Face to face dimension: DIN EN 558-1:1995
连接法兰Flanged ends: DIN EN 1092-1:2002
对焊连接Welded ends: DIN EN 12627
试验与检验Test & inspection: DIN EN 12266:2003
Thermal oil system, steam system, hot and cold water system etc.
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