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Through conduit gate valve is designed for oil & gas pipeline service. Featured with double block and bleed function, it is suitable for bi-directional flow isolation.Through conduit gate valve www.valvesupplier.net/forged-steel-gate-valves.htm have 2 main series: Slab gate & Expanding gate with maximum working temperature upto 500℃.

选择性焊接工艺不仅可作为电焊机波峰焊的一种取代，而且其也为电子产品设计的创新提供了一种全新的<a href="http://www.hanjiemaimai.com/index.html">电焊机</a>焊接方法。选择性焊接工艺能焊接显示器，平面电缆各种形式的异型器件，也能将几块印制板(PCB)焊接到另外一块印制板上.