执入标准administer standard

● 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【敏感词】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【敏感词】by user’s speeification.

● welding groove shan be in auordanle with power industrh spe-cification 78dg【敏感词】hg user’ specification

● the size in inclose is old production’s size

性能规范property【敏感词】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