| 溫州鼎新閥門有限公司
主營產品： 對夾式止回閥，球閥，底閥，過濾器 |
| 溫州鼎新閥門有限公司
主營產品： 對夾式止回閥，球閥，底閥，過濾器 |
| 參考價 | 面議 |
| 配管法蘭 | 公稱壓力 | 常規(guī)產品型號 | ||||||
| JB/T 74 | PN1.0MPa | H71H-10C | H71W-10P | H71W-10P8 | H71W-10P3 | H71W-10R | H71W-10R8 | H71W-10R3 |
| PN1.6MPa | H71W-16C | H71W-16P | H71W-16P8 | H71W-16P3 | H71W-16R | H71W-16R8 | H71W-16R3 | |
| PN2.5MPa | H71W-25 | H71W-25P | H71W-25P8 | H71W-25P3 | H71W-25R | H71W-25R8 | H71W-25R3 | |
| PN4.0MPa | H71W-40 | H71W-40P | H71W-40P8 | H71W-40P3 | H71W-40R | H71W-40R8 | H71W-40R3 | |
| PN6.3MPa | H71W-63 | H71W-63P | H71W-63P8 | H71W-63P3 | H71W-63R | H71W-63R8 | H71W-63R3 | |
| PN10.0MPa | H71W-100 | H71W-100P | H71W-100P8 | H71W-100P3 | H71W-100R | H71W-100R8 | H71W-100R3 | |
| PN16.0MPa | H71W-160 | H71W-160P | H71W-160P8 | H71W-160P3 | H71W-160R | H71W-160R8 | H71W-160R3 | |
| GB/T 9112 | PN2.0MPa | H71H-20C | — | H71W-20P8 | H71W-20P3 | — | H71W-20R8 | H71W-20R3 |
| PN5.0MPa | H71H-50 | — | H71W-50P8 | H71W-50P3 | — | H71W-50R8 | H71W-50R3 | |
| PN11.0MPa | H71H-110 | — | H71W-110P8 | H71W-110P3 | — | H71W-110R8 | H71W-110R3 | |
| PN15.0MPa | H71H-150 | — | H71W-150P8 | H71W-150P3 | — | H71W-150R8 | H71W-150R3 | |
| ANSI B 16.5 | Class150 | H71H-A1C | — | H71W-A1P8 | H71W-A1P3 | — | H71W-A1R8 | H71W-A1R3 |
| Class300 | H71H-A3 | — | H71W-A3P8 | H71W-A3P3 | — | H71W-A3R8 | H71W-A3R3 | |
| Class600 | H71H-A6 | — | H71W-A6P8 | H71W-A6P3 | — | H71W-A6R8 | H71W-A6R3 | |
| Class900 | H71H-A9 | — | H71W-A9P8 | H71W-A9P3 | — | H71W-A9R8 | H71W-A9R3 | |
| 主 要 | 閥體 | WCB（A105） | ZG1Cr18Ni9Ti | CF8（304） | CF3（304L） | ZG1Cr18Ni12Mo2Ti | CF8M（316） | CF3M（316L） |
| 閥瓣 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni9 | 00Cr19Ni10 | 1Cr18Ni12Mo2Ti | 0Cr17Ni12Mo2 | 00Cr17Ni14Mo2 | |
| 壓圈 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni9 | 00Cr19Ni10 | 1Cr18Ni12Mo2Ti | 0Cr17Ni12Mo2 | 00Cr17Ni14Mo2 | |
| 彈簧 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 00Cr19Ni10 | 0Cr17Ni12Mo2 | 0Cr17Ni12Mo2 | 00Cr17Ni14Mo2 | |
| 適 用 | 適用介質 | 水、蒸汽、油品等 | 硝酸等腐蝕性介質 | 強氧化性介質 | 醋酸等腐蝕性介質 | 尿素等腐蝕性介質 | ||
| 適用溫度（℃） | -29~425 | -196~540 | -196~425 | -196~540 | -196~455 | |||
| 注：本表為常規(guī)對夾式止回閥的型號編制、主要零件材料及適用工況，其他要求及其型號編制參見對夾止回閥型號編制方法。 | ||||||||
