J21W-160P,J23W-160P,J21W-64P,J23W-25P,J23W-320P针阀的形式**种,两边带活接头连接方式的正常标准形式
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224155013_7438.jpg)
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224155014_1182.jpg)
J21W-160P,J23W-160P,J21W-64P,J23W-25P,J23W-320P针阀的形式**种,国家标准高压体型的形式
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224155046_8158.jpg)
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224155109_4555.jpg)
J21W-160P,J23W-160P,J21W-64P,J23W-25P,J23W-320P针阀的形式第三种,条钢手柄的形式
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224155238_5308.jpg)
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224155239_3576.jpg)
J21W-160P,J23W-160P,J21W-64P,J23W-25P,J23W-320P针阀的形式第四种形式,老款式的形式
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224155327_0227.jpg)
J21W-160P,J23W-160P,J21W-64P,J23W-25P,J23W-320P针阀的形式第五种形式,带条钢手柄的NPT螺纹的连接形式的,
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224155421_0612.jpg)
J21W-160P,J23W-160P,J21W-64P,J23W-25P,J23W-320P针阀的形式第六种形式,碳钢发黑材质的形式
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224155444_8669.jpg)
J21W-160P,J23W-160P,J21W-64P,J23W-25P,J23W-320P针阀的形式第七种形
式。带散热片波纹管的形式及穿板连接形式
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224155610_7450.jpg)
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224155611_1818.jpg)