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概述；
Bb Os & Y型结构 |
| 制造标准：DIN3356 |
结构长度：DIN3202 |
| 法兰标准：DIN2543-2545 |
对焊口标准：DIN3239 |
| 试验标准：DIN3230 | |
公称压力
(nominal pressure) |
1.6Mpa |
2.5Mpa |
4.0Mpa |
| 密封试验(seal test) |
1.8MPa |
2.8MPa |
4.4MPa |
| 壳体强度(shell) |
2.4MPa |
3.6MPa |
6.0MPa |
适用温度
(suitabletemprature) |
300℃ | |
特点(features)：
| 双层波纹管(double walls bellow seal) |
维修方便(maintenance-free) |
| 波纹管密封阀杆(spindle with bellow seal) |
双重密封(secondary sealing) |
| 位置指示(position indicator) |
无升降手轮(non-rising handwheel) | |
用途(selection of possible applications) ：
| 工业(industry) |
电站(power station) |
| 废气净化厂(flue gas puerification plant) |
天然气(gas supply) |
| 真空装置(vacuum facilities) |
氨(ammonia) |
| 热水(hot water) |
冷冻系统(cllling&freezing systme) |
| 加热设备(heating technology) |
蒸汽系统(steam system) |
主要零部件材料：
零件名称
parta name |
阀体 body |
阀盖 bonnet |
阀杆 stem |
阀瓣 disc |
密封面
sealing face |
填料 paking |
| GS-C25 |
GS-C25 |
GS-C25 |
13Cr |
2Cr13 |
2Cr13 |
柔性石墨
GRAPHITE |
| STL |
| 304 |
CF8 |
CF8 |
304 |
304 |
304 |
柔性石墨
GRAPHITE |
| STL |
PTFE |
| 316 |
CF8M |
CF8M |
316 |
316 |
316 |
柔性石墨
GRAPHITE |
| STL |
PTFE |
| 304L |
Cf3 |
CF3 |
316 |
304L |
304L |
柔性石墨
GRAPHITE |
| STL |
PTFE |
| 316L |
CF3M |
CF3M |
316 |
316L |
316L |
柔性石墨
GRAPHITE |
| STL |
PTFE | |
外形尺寸各连接尺寸 external and connection dimensions：
| PN |
DN |
L |
D |
D 1 |
D 2 |
B |
f |
H |
N-ф |
△H
(STRODE) |
| 1.6 |
15 |
130 |
95 |
65 |
45 |
16 |
2 |
191 |
4-14 |
6 |
| 20 |
150 |
105 |
75 |
58 |
18 |
2 |
191 |
4-14 |
6 |
| 25 |
160 |
115 |
85 |
68 |
18 |
2 |
197 |
4-14 |
8 |
| 32 |
180 |
140 |
100 |
78 |
18 |
2 |
200 |
4-18 |
8 |
| 40 |
200 |
150 |
110 |
88 |
18 |
3 |
218 |
4-18 |
13 |
| 50 |
230 |
165 |
125 |
102 |
20 |
3 |
220 |
4-18 |
13 |
| 65 |
290 |
185 |
145 |
122 |
20 |
3 |
238 |
4-18 |
16 |
| 80 |
310 |
200 |
160 |
138 |
20 |
3 |
257 |
4-18 |
20 |
| 100 |
350 |
220 |
180 |
158 |
20 |
3 |
340 |
4-18 |
25 |
| 125 |
400 |
250 |
210 |
188 |
22 |
3 |
360 |
4-18 |
32 |
| 150 |
480 |
285 |
240 |
212 |
22 |
3 |
390 |
8-22 |
40 |
| 200 |
600 |
340 |
295 |
268 |
24 |
3 |
530 |
12-22 |
50 | |
波纹管阀门
产品名称： 德标波纹管法兰截止阀