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【敏感詞】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【敏感詞】by user’s speeification.

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

● the size in inclose is old production’s size

性能規范property【敏感詞】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