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執入標準Administer standard
● 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 nut		45(ZCuZn25A16Fe3Mn3)
四開環Four piece ring		1Cr13		20Cr1MoVA

主要尺寸及重量Main dimensions and weight

公稱通徑DNNominal diameter	主要外形尺寸和連接尺寸(mm)Main external and connecting dimensions					電動裝置Electric dewice	重量(kg)Weight
	d	L	H	L1	L2