进口球阀|德国阀门|美国阀门|上海树典阀门： 是利用阀瓣控制启闭的阀门，进口主要用于介质工作压力较高而口径不大的场合。截止阀的主要启闭件是阀瓣和阀座，进口阀瓣沿阀座中心线移动，进口改变阀瓣和阀座之间的距离，进口既可改变通道截面积，进口从而控制和截断流量。为防止渗漏，进口阀瓣与阀座接触面均经研磨配合。截止阀的特点是操作可靠，进口关闭严密，进口易于调节或截断流量，进口开启高度小（一般为喉座直径的1/4）。但结构复杂，进口价格较贵，进口流体阻力大，进口启闭缓慢。截止阀的流动方向在阀体上表明，进口一般是从下向上流过阀瓣。

截止阀、上海树典阀门： （a）内螺纹截止阀             （b）内螺纹截止阀
1—阀座；2—阀瓣；3—铁丝圈；4—阀体；5—阀盖；6—阀杆；7—填料；8—填料压盖螺母；9—填料压盖；10—手轮；11—阀座；12—阀盘；13—垫片；14—开口锁片；15—阀盘螺母；16—阀体；17—阀盖；18—阀杆；19—填料；20—填料压盖；21—螺母；22—手轮；23—轭；24—螺栓；25—垫片。
  

 

喷煤粉专用球阀Q47MF-16，进口陶瓷球阀Q41SC-1C，进口气动陶瓷球阀Q641SC-1C，进口电动陶瓷球阀Q641SC-1C进口气动陶瓷球阀Q641SC-1C，进口焦炉专用球阀Q41M-16，进口防火球阀Q47H-16，进口防静电球阀Q41F-16，进口三通球阀Q45F-16，进口三通Y型球阀Q42H-16，进口四通球阀Q46H-16，进口蜗轮传动球阀Q341W-16，进口轨道球阀QGD47Y-25，进口抗硫球阀KQ347F-16，进口低温球阀DQ347-16，进口气动卸灰球阀Q647AFY-16，进口V型切断球阀QTV41H-16，进口薄型球阀Q41F-16，进口对夹式球阀Q71F-25，进口放料球阀Q3c1F-16，进口槽车球阀，进口广式球阀Q41F-16，进口偏心半球阀Q340F-25，进口一片式球阀Q11F-16，进口二片式球阀Q11F-16，进口三片式球阀Q11F-16，进口斜面球阀系列YHQ41-16，进口铝合金球阀Q41F-10L，进口Q91F-25P，进口双卡套连接球阀，进口气动V型调节球阀，进口电动V型调节球阀，进口KHB高压球阀，进口BKH高压球阀，进口KHM高压球阀，进口MKH高压球阀，进口Q41F-16，进口进口球阀，进口电动球阀Q941-16C，进口高压电动球阀Q941H-160，进口气动球阀Q641H-16C，进口气动高压球阀Q641N-320，进口日标球阀Q41H-10K，进口德标球阀Q41F-16，进口美标球阀Q41H-150Lb，进口日标不锈钢球阀20K，进口德标不锈钢球阀Q41H-16P，进口美标不锈钢球阀Q41F-16P，进口高温球阀Q41H-16P，进口高压球阀Q41W-160，进口黄铜球阀Q41T-16T，进口铸铁球阀Q41F-16Z，进口碳钢球阀Q41H-16C，进口铸钢球阀Q41H-16C，进口锻钢球阀Q41H-16C，进口不锈钢球阀Q41H-16P，进口铬钼钢球阀Q41Y-16I，进口丝口球阀Q11F-16，进口法兰球阀Q41F-16，进口氧气球阀QY347F-16，进口真空球阀NKQ41H-16，进口API磅级球阀，进口高压对焊球阀Q61Y-320，进口伞齿轮球阀Q541H-25，进口氨用球阀Q41B-16，进口保温球阀BQ41W-16，进口衬氟塑料球阀Q41F-16，进口液化气球阀Q41N-16，进口天然气球阀Q41N-16，进口41系列浮动球阀Q41F-16，进口47系列固定球阀Q47F-16，进口金属硬密封球阀Q41H-25，进口长输管线球阀Q47Y-25，进口 KHB3K(BK3)二位三通球阀，进口KHBF法兰高压球阀，进口KHMF法兰高压球阀，进口KHP高压板式球阀，进口PKH高压板式球阀，进口BME高压球阀，进口VH2V直通高压球阀，进口VH3V二位三通高压球阀，进口CJZQ高压球阀，进口YJZQ高压球阀，进口QJH高压球芯截止阀，进口YQ高压球阀，进口AQF蓄能器安全球阀，进口AJS,AJD蓄能器安全球阀组，进口QDF球式电磁换向阀，进口QDF-4球式电磁换向阀等。阀门材质有：铸钢，进口碳钢，进口20＃钢，进口A182钢，进口(锻钢，进口A105，进口F11，进口F22)，进口铬钼钢WC6，进口WC9，进口不锈钢，进口304，进口316等。阀门规格：DN15-DN1200。压力：1.0-50Mpa，进口驱动方式可采用手动，进口电动，进口气动，进口齿轮传动等装置。标准：国标GB，进口HB，进口美标API，进口ANSI，进口日标JIS，进口德标DIN。，进口欢迎选购订购，进口英国OBE阀门|德国KER阀门阀门|德国KER阀门阀门上海树典阀门总代理