● 制造与验收技术条件按日本火力发电用阀门标准E101和JB/T3595-93的规定； ● 结构长度按E101的规定或按用户提供尺寸 ● 焊接坡口接电力工业管理标准78DG的规定或按用户提供尺寸。 ● 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
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
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
零件名称Part name
材料牌号Material designation
阀体Body
WCB
WC6
WC9
阀板Disc
WCB
WC6
WC9
阀盖Bonnet
25
12Cr1Mo1VA
阀杆Stem
1Cr17Ni2
20Cr1Mo1VA
阀座Seat
25
12Cr1Mo1VA
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WC6
阀杆螺母Stem nut
45(ZCuZn25A16Fe3Mn3)
四开环Four piece ring
1Cr13
20Cr1MoVA
主要外形尺寸：
公称通径DNNominal diameter
主要外形尺寸和连接尺寸(mm)Main external and connecting dimensions
