進口外螺紋活接對焊針型閥，截止閥性能參數  Performance parameter

外螺紋活接對焊針型閥，進口外螺紋活焊接截止閥、帶接管對焊儀表閥、帶接管對焊壓力表閥 RETZ External thread union butt welding needle valve is also called external thread union butt welding stop valve, butt welding instrument valve with 進口外螺紋活接對焊針型閥（截止閥）2.jpgconnecting pipe, and butt welding pressure gauge valve with connecting pipe

進口外螺紋活接對焊針型閥，截止閥構造特點 Structural characteristics

錐面密封,活動閥瓣 Structural features: cone seal, movable valve disc

流通型式:直通，角式 Circulation type: straight, angle

標準 Standard∶ ANSI B16.34 ASME  

工作壓力 Working Pressure∶483bar@25℃/246bar@648℃

額定溫度Temperature Rating∶648℃柔性石墨填料 with Graphite packing

材料:304SS,304L,316SS,316L,316H,321,A105,F91,F92,F22,16Mu,LF2等

規格尺寸:1/4＂－1＂

結構特征 Structure characteristics

產品的設計符合ASME VIII，ANSI B16.34/B16.5B31.3 和API6D的相關要求  The product design shall conform to ASME VIII, ANSI B16.34/B16.5B31.3 and API6D

耐高溫壓高、密封性和反復性好 High temperature and pressure resistance, good sealing and repeatability

閥瓣可變換為節流型、針型、球型,可用以較精確的流量調節 The valve disc can be changed into throttling type, needle type and ball type for more accurate flow regulation

采用優質鍛鋼制造，閥桿做滲碳處理，閥芯全部焊STL合金  Made of high-quality forged steel, the valve stem is carburized, and the valve element is welded with STL alloy

閥尖垂直運動，無旋轉使用壽命長 Vertical movement of valve tip, no rotation, long service life

氣體介質閥座采用PTFE、PEEK軟密封材料提高本閥的密封性 PTFE and PEEK soft sealing materials are used for the gas medium valve seat to improve the sealing performance of the valve

根據安裝安求,可選擇帶有面板安裝結構 According to the installation requirements, the panel mounting structure can be selected

非旋轉閥桿  Without rotating the valve stem