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DZ40Y low-temperature valve
Product Name:
DZ40Y low-temperature valve
Description:

低温闸阀  DZ40Y

■结构特点 低温闸阀结构

① 为防止中腔异常升压,在闸板的进口侧设置泄压孔。

② 根据阀门的工作温度确定阀盖的顶部长度,确保阀桿填料的可靠密封。

③ 根据工作温度合理选用填料,垫片等零件的材料。

④ 严格控制材料的化学成份及低温冲击韧性等力学性能指标。

⑤ 采用多种配管法兰标准及密封面型式,适用于各种工程需要。


■标准规范

设计制造

结构长度

连接法兰

压力温度等级

试验与检验

JB/T7749

BS6364

ANSI B16.10

GB12221

ANSI B16.5
GB9112 ~ 9131
JB/T74~ 90
SH 3006
HG 20615 ~ 20635

ANSI B16.34

JB/T7749

API598

JB/T9092



■适用温度

材料

LCB

LC1

LC2

LC3

CF8、ZG1Cr18Ni9Ti

适用温度℃

≥-46

≥-59

≥-73

≥-101

≥-196


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