公稱(chēng)壓力PN(MPa)Nominal pressure | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
殼體強(qiáng)度試驗(yàn)Shell strength test | 2.4 | 3.8 | 6.0 | 9.6 | 15 | 24 |
上密封試驗(yàn)Back seal test | 1.8 | 2.8 | 4.4 | 7.0 | 11 | 18 |
密封試驗(yàn)Seal test | 1.8 | 2.8 | 4.4 | 7.0 | 11 | 18 |
類(lèi)型Product classification | 零件名稱(chēng)Part name | |||||||
閥體、閥蓋Body bonnet | 閥桿Valve stem | 閥瓣Disc | 密封面Sealing face | 閥桿螺母Yoke nut | 填料Packing | 緊固件Fastener | 手輪Handwheel | |
J61(H.Y)-C型 J961(H.Y)-C型 | 25、WCB | 鉻不銹鋼Cr.Stainless steel | 2Cr1325 | H:不銹鋼Y:鈷基硬質(zhì)合金鋼H:Stainless steelY:Co-based carbide alloy steel | 鋁青銅Albronze | 柔性石墨Flexible graphite | 優(yōu)質(zhì)碳鋼High-grade carbon steel | 可鍛鑄鐵Forgeable cast-iron |
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J61Y-I型J961Y-I型 | 鉻鉬鋼 Cr.Mo steel | 鉻鉬鋼Cr.Mo steel | 合金鋼Alloy steel | 鈷基硬質(zhì)合金鋼C0-based carbide alloy steel | 鋁青銅Albronze | 柔性石墨Flexible graphite | 合金鋼Alloy steel | 可鍛鑄鐵Forgeable cast-iron |