產(chǎn)品詳情
此類型專用低溫緊急切斷閥適用于低溫貯槽上切斷流通介質(zhì),特別是在出現(xiàn)火情故障時(shí)能及時(shí)切斷介質(zhì)。廣泛用于LNG、液態(tài)乙烯及其它低溫介質(zhì),具有體積小、重量輕、密封可靠、緊急切斷迅速可靠和防靜電的特點(diǎn)。
This type is special emergency cut-off valve is suitable for low temperature storage tank at low temperature on cut off circulation medium, especially in the event of a fire failure can bly cut off the medium. Widely used in LNG, ethylene and other low temperature liquid medium, has small volume, light weight, reliable sealing, reliable emergency stop quickly and anti-static characteristics.
主要技術(shù)參數(shù)
Main technical beters
公稱壓力/Nominal pressure:4.0MPa
設(shè)計(jì)溫度/Design temperature:-196℃~+70℃
適用介質(zhì)/Applicable medium:LNG 、LO2、LN2、LAr
連接方式/Connection b:插焊
公稱通徑/Nominal diameter:25mm~50mm
強(qiáng)度試驗(yàn)壓力/Strength test pressure:4.0MPa
氣密性試驗(yàn)壓力/Air tightness test pressure:1.6MPa
方向密封試驗(yàn)壓力/direction of seal test pressure:0.4MPa
氣缸氣源壓力/Air pressure cylinder:0.4~0.6MPa
緊急切斷溫度/Emergency cut-off temperature:+70℃
緊急切斷時(shí)間/Emergency cut-off time:<2秒
|
主要零部件名稱 |
材料 |
|
閥體/Valve body |
ZG0Cr18Ni9 |
|
閥瓣/Valve disc |
0Cr18Ni9Ti |
|
閥蓋/Valve cover |
ZG0Cr18Ni9 |
|
閥桿/Valve stem |
0Cr18Ni9 |
|
主密封件/Main seal |
PTFE或PCTFE |
|
氣缸/cylinder |
鑄鋁 |
|
支架/stents |
鑄鋁 |
|
型號(hào)/Model |
主要外形和連接尺寸 Main b and the connection size (mm) |
重量 Weight |
||||||||
|
H |
H1 |
D0 |
D1 |
D |
B |
W1 |
W2 |
M |
(kg) |
|
|
DJQ-20P |
189 |
478 |
Ф20 |
Ф25.5 |
Ф100 |
8 |
80 |
Ф130 |
Rc¼ |
7.2 |
|
DJQ-25P |
240 |
530 |
Ф25 |
Ф32.5 |
Ф100 |
8 |
90 |
Ф130 |
Rc¼ |
7.7 |
|
DJQ-32P |
250 |
489 |
Ф32 |
Ф38.5 |
Ф100 |
8 |
105 |
Ф130 |
Rc¼ |
7.3 |
|
DJQ-40P |
227 |
567 |
Ф40 |
Ф45.5 |
Ф125 |
8 |
120 |
Ф160 |
Rc¼ |
13.2 |
|
DJQ-50P |
230 |
570 |
Ф50 |
Ф57.5 |
Ф125 |
10 |
140 |
Ф160 |
Rc¼ |
14.5 |
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