进口外螺纹活接对焊针型阀，截止阀性能参数  Performance parameter

外螺纹活接对焊针型阀，进口外螺纹活焊接截止阀、带接管对焊仪表阀、带接管对焊压力表阀 RETZ External thread union butt welding needle valve is also called external thread union butt welding stop valve, butt welding instrument valve with 进口外螺纹活接对焊针型阀（截止阀）2.jpgconnecting pipe, and butt welding pressure gauge valve with connecting pipe

进口外螺纹活接对焊针型阀，截止阀构造特点 Structural characteristics

锥面密封,活动阀瓣 Structural features: cone seal, movable valve disc

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

标准 Standard∶ ANSI B16.34 ASME  

工作压力 Working Pressure∶483bar@25℃/246bar@648℃

额定温度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

规格尺寸:1/4＂－1＂

结构特征 Structure characteristics

产品的设计符合ASME VIII，ANSI B16.34/B16.5B31.3 和API6D的相关要求  The product design shall conform to ASME VIII, ANSI B16.34/B16.5B31.3 and API6D

耐高温压高、密封性和反复性好 High temperature and pressure resistance, good sealing and repeatability

阀瓣可变换为节流型、针型、球型,可用以较精确的流量调节 The valve disc can be changed into throttling type, needle type and ball type for more accurate flow regulation

采用优质锻钢制造，阀杆做渗碳处理，阀芯全部焊STL合金  Made of high-quality forged steel, the valve stem is carburized, and the valve element is welded with STL alloy

阀尖垂直运动，无旋转使用寿命长 Vertical movement of valve tip, no rotation, long service life

气体介质阀座采用PTFE、PEEK软密封材料提高本阀的密封性 PTFE and PEEK soft sealing materials are used for the gas medium valve seat to improve the sealing performance of the valve

根据安装安求,可选择带有面板安装结构 According to the installation requirements, the panel mounting structure can be selected

非旋转阀杆  Without rotating the valve stem