我們的絲扣螺紋均為英制管螺紋也就是常說的ZG螺紋。有特殊螺紋請咨詢客服！英制螺紋對應尺寸請參考如下：

具體對應的螺紋內外徑尺寸請參考百度管螺紋標準尺寸（我們說的都是通徑。不是內徑也不是外徑 ）

產品介紹：膜盒式蒸汽疏水閥主要動作元件金屬膜盒，膜盒內根據熱脹冷縮原理開啟和關閉閥門。廣泛用于蒸汽主管線、伴熱管線、干燥器和工業加熱蒸汽設備系統，供熱采暖片上是理想的選擇。
結構特點：1、結構簡單，維護方便。
2、部件全部采用合金處理的不銹鋼，耐磨耐氣蝕，使用壽命長。
3、排空能力強，排水迅速，安裝方式隨意。
4、可以實現多個膜盒組合，使用于大的排量場合。
5、零泄漏，背壓率達到75%以上。
Introduction:The main part of the diaphragm trap os metallic diaohragm.Inside the diaphragm,the valve will be opened and closed in compliance with the principle of metal expand on heating and contract on cooling.This kind of trap enjoys extensive application in main pipelines,heat accompanying pipelines,drier and heating equipment.It is your best choice for heating equipment.
Sreuctures:1.Simple structure will facilitate maintenance.
2:All the parts are made of stainless steel with long service life and abilities to resist abrasiveness.
3.Excellent abilities to discharge gas;able to tapidly discharge water;the inatallment can be conducted in free way.
4.Several diaphragms can be combined to serve the working places needing large fas amount discharged.
5.No leakage,the rate of back pressure up to above75%.

主要零件材料和性能參數 Main parts and specifications

技術參數表 Technological parameter date