| DYC-JQ |
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DYC-JQ型－电磁真空压差阀 |
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DYC-JQ型电磁真空压差阀是机械真空泵安全阀，安装于机械真空泵的进气口，并与泵同步开启和关闭。当泵停止工作或电源突然中断时，阀门利用大气压力使阀板自动关闭，使真空系统保持真空并将大气充入泵腔内，从而避免泵油逆向流动而污染真空系统。适用介质为纯净空气和非腐蚀性气体。 | |
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DYC-JQ
Electro-vacuum Differential Pressure Valve |
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主要技术性能
Main Technical Performance |
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| 适用范围：Applicability |
105～10-2Pa |
| 阀门漏率：Valve Leak Rate |
≤1.3×10-2Pa.L/S. |
| 适用温度：Applicable Temperature |
-30～+50℃ |
| 线围温升：Coil Temperature Rise |
≤65℃ |
| 开闭时间：Open-close Time |
≤3S |
| 电源电压：Mains Voltage |
220V/50Hz | | |
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主要零件材料
Materials of Main Parts |
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阀体、阀盖、阀板：碳钢或铝合金
隔膜：丁腈橡胶加涤纶绸
Body, bonnet and disc: carbon steel or aluminium alloy
Diaphragm: NBR and terylene silk | |
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| CONSTRUCTION FIGHTS (mm) |
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外形及连接尺寸(mm)
Overall and Connection Dimensions(mm) | |
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活套法兰连接(GB6070 图一) |
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Model
型号 |
DN |
Do |
D |
D2 |
n-φc |
A |
H |
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DYC-JQ50 |
50 |
90 |
110 |
55 |
4-φ9 |
70 |
203 |
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DYC-JQ63 |
63 |
105 |
130 |
68 |
4-φ9 |
88 |
226 |
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DYC-JQ80 |
80 |
125 |
145 |
85 |
8-φ9 |
98 |
260 |
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DYC-JQ100 |
100 |
145 |
165 |
105 |
8-φ9 |
108 |
282 |
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DYC-JQ160 |
160 |
200 |
225 |
165 |
8-φ12 |
158 |
350 | | |
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快卸法兰连接(GB4982 图二) |
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Model
型号 |
DN |
D1 |
D |
A |
H |
B |
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DYC-JQ16 |
16 |
17.2 |
30 |
40 |
160 |
55 |
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DYC-JQ25 |
25 |
26.2 |
40 |
50 |
170 |
60 |
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DYC-JQ32 |
32 |
34.2 |
55 |
58 |
179 |
60 |
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DYC-JQ40 |
40 |
41.2 |
55 |
65 |
187 |
70 |
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DYC-JQ50 |
50 |
52.2 |
75 |
70 |
203 |
85 | | |
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方体螺纹连接(JB919 图三) |
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Model
型号 |
DN |
Do |
D2 |
h |
B |
H |
n-d |
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DYC-JQ16 |
16 |
42 |
22 |
28 |
48 |
148 |
4-M5 |
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DYC-JQ25 |
25 |
55 |
29 |
35 |
58 |
155 |
4-M6 |
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DYC-JQ32 |
32 |
64 |
36 |
40 |
68 |
160 |
4-M6 |
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DYC-JQ40 |
40 |
70 |
44 |
44 |
80 |
166 |
4-M6 |
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DYC-JQ50 |
50 |
90 |
55 |
56 |
94 |
189 |
4-M8 |
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DYC-JQ65 |
65 |
105 |
70 |
65 |
115 |
205 |
4-M8 |
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DYC-JQ80 |
80 |
125 |
85 |
75 |
140 |
250 |
4-M8 | | |
