■ 用途 purose 德標波紋管截止閥適用于公稱壓力PN1.6~16MPa,工作溫度-29~35O℃的石油、化工、制藥、化肥、電力行業等各種工況的管路上,切斷或接通管路介質,調節流量用。 Globe valve bellow seal acc.to DIN is applicable to the cutting and connection of pipelines medium that are used variousindustries such as petroleum chemical industry pharmacy chemical fertilizer electric power industry etc under nominal pressure of PN1.6~MPa and working temperature of -29~350℃ ■波紋管截止閥結構特點 Structural features 1.產品結構合理、密封可靠、性能優良、造型美觀 2.密封面隊焊鈷基硬質合金、耐磨、耐腐、抗摩擦性能好、使用壽命長 3.閥桿調質及表面化處理,有良好的抗腐和抗摩擦性能 4.雙重密封,性能更可靠 5.閥桿升降位置指示,更直觀 6.零件材質,法蘭和對焊鍛尺寸可根據實際工況或用戶要求合理選配,滿足各種工程需要 7.閥芯可根據需要做成切斷型和調節型 1.This product has logical structure reliable seal excellent erformance and nice design 2.The seal surface is build-up welding with Co hard alloy which is attrition-treatment corrosion-resistant has good friction resisranr and long life 3.The stem quenchedand tempered and its surface is treated by nitriding treatment thus ithas good corrosion resistant and friction tesistant 4.Lt has double seal capability thus is more reliable 5.The stem may show the position of lift thus it is clearer 6.The part material flange and butt weld end dimension may be selected according tocurrentoperating condition and users tequiremet so that meeting the erquirements of variousengineering 7.The valve can make in to cut off the type with re gulate the type according to the demand
■標準規范 Standard specificastion
結構形式
Structursl formation BB-BG-QS&Y
驅動方式
手動 Hand-operated
電動 Electric-actuated
設計標準
Design standard DIN3356
結構長度
Face to face DIN3202
連接法蘭
Flange ends DIN2543-2545
試驗和檢驗
Test & inspection DIN3230
注:系列閥門連接法蘭可根據用戶要求設計制造 Notes:The size of serial valve connecting flange can be design according to custoners reuirmemt