● 制造與驗收技術條件按日本火力發電用閥門標準E101和JB/T3595-93的規定; ● 結構長度按E101的規定或按用戶提供尺寸 ● 焊接坡口接電力工業管理標準78DG的規定或按用戶提供尺寸。 ● The manufalture and aueptanle specigication shan be based on the japanese standard E101 applied for the thermal powerand JB/T3595-93 ● The length shall bein line with E101 or by user’s speeification. ● Welding groove shan be in auordanle with power industrh spe-cification 78DG or hg user’ specification ● The size in inclose is old production’s size
性能規范Property and specifiecation 產品型號 Product type公稱壓力PN(MPa)Nominal pressure 試驗壓力(MPa)Test pressure 工作壓力(MPa)Working pressure 工作溫度(℃)Working temperature 適用介質Appicable medium 強度試驗Sheel test 密封試驗/上密封實驗Seal test Z960Y-250 25 37.5 27.5 - ≤425 水、蒸汽、Water,steam Z960Y-320 32 48.0 36.0 - ≤425 Z960Y-P54100 - 30.0 22.0 P5410 ≤540 蒸汽 Steam Z960Y-P54170 - 48.0 36.0 P5417 ≤540 主要零件材料Matecrial for main parts 零件名稱Part name 材料牌號Material designation 閥體Body WCB WC6 WC9 閥板Disc WCB WC6 WC9 閥蓋Bonnet 25 12Cr1Mo1VA 閥桿Stem 1Cr17Ni2 20Cr1Mo1VA 閥座Seat 25 12Cr1Mo1VA 密封環Sealing ring S軟鋼(增強柔性石墨)S soft steel (flexible graphite) S軟鋼S soft steel F軟鋼F Soft steel 填料Packing 增強柔性石墨Fexible graphite 支架Yoke WCB WCB或WC6 閥桿螺母Stem