ZY_搜五金

一.产品引用标准:
● 制造与验收技术条件按日本火力发电用阀门标准E和JB/T-的规定,
● 结构长度按E的规定或按用户提供尺寸
● 焊接坡口接电力工业管理标准DG的规定或按用户提供尺寸.
● The manufalture and aueptanle specigication shan be based on the japanese standard E applied for the thermal powerand JB/T-
● The length shall bein line with E or by user's speeification.
● Welding groove shan be in auordanle with power industrh spe-cification DG or hg user' specification
● The size in inclose is old production's size?
二.主要零件的材料说明:
性能规范Property and specifiecation


产品型号 Product type 公称压力PN(MPa)Nominal pressure	试验压力(MPa)Test pressure	工作压力(MPa) Working pressure	工作温度(℃) Working temperature	适用介质 Appicable medium
强度试验 Sheel test	密封试验/上密封实验 Seal test
ZY-		.	.	-	≤	水.蒸汽.Water,steam
ZY-		.	.	-	≤
ZY-P	-	.	.	P	≤	蒸汽 Steam
ZY-P	-	.	.	P	≤
主要零件材料Matecrial for main parts
零件名称Part name	材料牌号Material designation
阀体Body	WCB	WC	WC
阀板Disc	WCB	WC	WC
阀盖Bonnet		CrMoVA
阀杆Stem	CrNi	CrMoVA
阀座Seat		CrMoVA
密封环Sealing ring	S软钢(增强柔性石墨)S soft steel (flexible graphite)	S软钢S soft steel	F软钢F Soft steel
填料Packing	增强柔性石墨Fexible graphite
支架Yoke	WCB	WCB或WC
阀杆螺母Stem nut	(ZCuZnAFeMn)
四开环Four piece ring	Cr	CrMoVA

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