H21W,H44W,H41W,H42W,H71W,H76W,H74W不锈钢法兰止回阀的款式分析一,H21W-160P,H21W-64P,H21W-250P,H21W-400P外螺纹止回阀
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224191510_9184.jpg)
H21W,H44W,H41W,H42W,H71W,H76W,H74W不锈钢法兰止回阀的款式分析二,H41W-16P,升降式法兰止回阀
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224191552_7988.jpg)
H21W,H44W,H41W,H42W,H71W,H76W,H74W不锈钢法兰止回阀的款式分析三,H44W-16P,旋启式法兰止回阀,大口径旋板式止回阀,挡板式大口径止回阀,摇板式大口径法兰止回阀,单向阀
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224191721_7909.jpg)
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224191722_0739.jpg)
H21W,H44W,H41W,H42W,H71W,H76W,H74W不锈钢法兰止回阀的款式分析四,H42W-16P,立式止回阀,立式法兰单向阀
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224191811_8858.jpg)
H21W,H44W,H41W,H42W,H71W,H76W,H74W不锈钢法兰止回阀的款式分析五,H71W-25P,对夹式止回阀,对夹式单向阀
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224191907_8980.jpg)
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224191908_2690.jpg)
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224191908_4690.jpg)
H21W,H44W,H41W,H42W,H71W,H76W,H74W不锈钢法兰止回阀的款式分析六,H76W-16P,双阀板蝶式对夹式止回阀![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224191953_6186.jpg)
H21W,H44W,H41W,H42W,H71W,H76W,H74W不锈钢法兰止回阀的款式分析七,H74W-16P,DN1200,大口径单板式对夹式止回阀,大口径单挡板式对夹式单向阀
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224192058_5263.png)
H21W,H44W,H41W,H42W,H71W,H76W,H74W不锈钢法兰止回阀的款式分析八,H11W-16P,内螺纹止回阀,内丝单向阀,蝶式内螺纹止回阀
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224192148_0201.jpg)
![](http://zt.yzimgs.com/comfolder/685061/image/201512/20151224192154_2535.jpg)