Search

PAGES COPYRIGHT©2019 ZTWATER.COM    渝ICP备18012939号    POWERED BY 300.CN   【MANAGE

Thank you for visiting. If you have any intention of cooperation, Please leave a message for us or contact us in the following way. We will give you feedback in the first time and provide you with the most sincere service. Thank you.

 

TEL:(619)3835003
E_mail:zhengyanglu023@gmail.com
ADD:Hongqi River gully, Chongqing, China

HELLO!

MESSAGE

PRODUCTS

VALVE CLASS

Your location:
HOME
>
>
>
High temperature and high pressure electric stop valve

High temperature and high pressure electric stop valve

浏览量
所属分类
Power Station Valve
Describe
Manufacturing acceptance technical standards
 
1. Manufacturing and acceptance technical conditions are in accordance with the Japanese standard for thermal power generation valves E101 and JB/T3595-2002.
2. The length of the structure is as specified in E101 or according to the size provided by the user.
3. The welding groove is in accordance with the provisions of the power industry management standard 78DG or the size provided by the user.
 
Description
 
1. The middle connection of the welding gate valve has two types: flange connection and self-sealing.
 
2. The length of the valve body and the size of the welded joint can be produced according to the requirements of the user.
 
Performance specification:
model Nominal pressure test pressure(MPa) Work pressure(MPa) Operating temperature(℃) Applicable medium
Strength test Seal test / upper seal test
Z961(960、962)
Y-250
25 37.5 27.5 - ≤425 steam
Z961(960、962)
Y-320
32 48.0 36.0 - ≤425
Z961(960、962)
Y-P54 100
- 30.0 22.0 P5410 ≤540 steam
Z961(960、962)
Y-P54 170
- 48.0 36.0 P5417 ≤540


Main parts materials:

Part Name Material grade
Valve body WCB WC6 WC9
Valve plate WCB WC6 WC9
cap 25 12Cr1MoVA
Valve stem 2Cr13 20Cr1MoVA
Seat 25 12Cr1MoVA
Sealing ring S mild steel (reinforced flexible graphite) S mild steel (reinforced flexible graphite) S mild steel (reinforced flexible graphite)
filler Enhanced flexible graphite
support WCB WCB或WC6
Stem nut  ZQAL9-4
Four open loop 1Cr13 20Cr1MoVA


 

Operating temperature V type ≤ 540 ° C ≤ 570 ° C; the remaining type ≤ 540 ° C ≤ 570 ° C
Body material

V-type molybdenum vanadium steel ZG20CrMoV or ZG15CrMoV

Applicable medium steam



Main dimensions:

Nominal diameter J961H(Y)-100、200、250、320 J961Y-P54/100V、P54/140V、P54/170V
Main dimensions and I connection dimensions (mm)
L D1 D2 D3 α H
15 150 17 36 / 37.5° 518
20 170 22 42 / 37.5° 518
25 170 26 42 / 37.5° 518
32 180 31 44 / 37.5° 560
40 230 38 60 / 37.5° 545
50 350 50 82 / 32° 748
65 330 69 100 110 32° 829
80 470 84 108 130 32° 898
100 560 107 144 165 32° 913
J961Y-P55/100V、P55/140V、P55/170V J961Y-P57 /100V、P57/140V、P57/170V
15 150 17 40 / 37.5° 518
20 170 22 46 / 37.5° 518
25 170 26 46 / 37.5° 518
32 180 31 49 / 37.5° 560
40 230 38 60 / 37.5° 545
50 350 50 90 / 32° 748
65 330 69 104 115 32° 829
80 470 84 110 140 32° 898
100 560 107 148 170 32° 913