| 公稱通徑 DN/mm Nominal diameter | 試驗壓力/MPa Seal test | ||
| 殼體強(qiáng)度試驗 | 上密封試驗 Back seal | 密封試驗 Seal test | |
| 1.0 | 1.1 | 1.1 | |
| 1.6 | 1.8 | 1.8 | |
| 2.5 | 2.8 | 2.8 | |
| 4.0 | 4.4 | 4.4 | |
| 6.4 | 7.0 | 7.0 | |
| 10.O | 11.0 | 11.O | |
| 產(chǎn)品類型 Product type | 適用介質(zhì) Applicable medium | 適用溫度/℃ Applicable temperature | ||
| 水、蒸汽、空氣 Water,Stram.Air | ≤425 | ||
| 水、蒸汽、空氣 Water,Stram.Air | ≤550 |
| 零件名稱 Part name | 閥體、閥蓋 Body Bonnet | 閥桿 Valve stem | 閥板 Wedge gate | 密封面 Sealing face | 閥桿螺母 Yoke nut | 填料 Packing | 緊固件 Fastener | ||
| WCB | 2Gr13 | 25 | H：合金鋼 H：alloy steel | 鋁青銅 Al bronze | 膨脹復(fù)合石墨 Expanding compound graphite | 優(yōu)質(zhì)碳鋼 High-grade carbon steel | ||
| 鉻鉬鋼 Cr.M0 steel | 20Cr1M01VA 38CrMoAIA | 鉻鉬鋼 Cr．Mo steel | Y：硬質(zhì)合金 Y：carbide alloy | 鉻鉬鋼 Cr．Mo steel |
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