| 尺寸 |
| 1.0=1" |
| 1.3=1-1/4" |
| 1.5 = 1-1/2” |
| 2.0 = 2” |
| 2.5 = 2-1/2” |
| 3.0 = 3” |
| 4.0 = 4” |
| 5.0 = 5” |
| 6.0 = 6” |
| 8.0 = 8” |
| 10.0 = 10” |
| 12.0 = 12” |
| 直至 |
| 36.0 = 36” |
| XXX = 其他** |
|
| 阀型号 |
| DPW= |
双板对夹式止回阀，ASME等级
5050, 5051, 5053 |
| EHF= |
弹性铰链法兰式止回阀
5003, 5004, 5102, 5107 |
| EHW= |
弹性铰链短形对夹式止回阀
5118, 5296 |
| EHT= |
弹性铰链螺纹止回阀
5002 |
| EHV= |
弹性铰链唯特利®沟槽止回阀
5103 |
| EHP= |
弹性铰链平端止回阀
5104 |
|
| 阀体材质 |
| AL= |
铝 |
| BR= |
黄铜，仅限5002 |
| CI= |
铸铁 |
| CS= |
碳钢 |
| WC= |
铸钢，A216级WCB |
| 36= |
316SS |
|
| 阀内材质 |
| AL= |
铝 |
| BR= |
黄铜，仅限5002 |
| BZ= |
青铜（DPW） |
| AB = |
铝青铜（DPW） |
| CS= |
碳钢 |
| WC= |
铸钢，A216级WCB |
| 36= |
316SS |
| XX= |
其他** |
|
