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浙江省永嘉縣三精閥門有限公司
浙江省永嘉縣三精閥門有限公司
GDQ型氣動高真空擋板閥是通過電磁換向閥改變氣路方向，控制執行氣缸驅動閥門作啟閉運動。用于接通或切斷真空管路中的氣流。
GDQ型氣動高真空擋板閥是通過電磁換向閥改變氣路方向，控制執行氣缸驅動閥門作啟閉運動。用于接通或切斷真空管路中的氣流。適用介質為純凈空氣和非腐蝕性氣體。 帶反饋信號裝置。
GDQ Pneumatic High Vacuum Flapper Valve
GDQ pneumatic high vacuum flapper valve uses solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed. It is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases.
With signal feedback device.
Main Technical Performance
| 適用范圍：Applicability | 105～1.3×10-4Pa(軸封為橡膠) 105～1.3×10-5Pa(軸封為波紋管) |
| 閥門漏率：Valve Leak Rate | ≤1.3×10-4Pa.L/S.(軸封為橡膠) ≤1.3×10-5Pa.L/S.(軸封為波紋管) |
| 適用溫度：Applicable Temperature | -25～+80℃(丁腈橡膠) -30～+150℃(氟橡膠) |
| 氣源壓力：Annoy pressure | 0.4～0.6MPa |
Materials of Main Parts
閥體、閥蓋、閥桿：鋁合金、碳鋼或不銹鋼
密封件：丁腈橡膠、氟橡膠、波紋管(軸封)。
Body, bonnet and stem: aluminium alloy, carbon steel or stainless steel
Sealing element: NBR, Viton, bellows(shaft seal)
Overall and Connection Dimensions(mm)
| Model 型號 | DN | D1 | D | A | H | B | W | 法蘭標準 |
| GDQ-J10(b) | 10 | 12.2 | 30 | 30 | 120 | 52 | 40 | GB4982 |
| GDQ-J16(b) | 16 | 17.2 | 30 | 40 | 140 | 58 | 40 | |
| GDQ-J25(b) | 25 | 26.2 | 40 | 50 | 150 | 58 | 40 | |
| GDQ-J32(b) | 32 | 34.2 | 55 | 58 | 158 | 58 | 40 | |
| GDQ-J40(b) | 40 | 41.2 | 55 | 65 | 183 | 75 | 50 | |
| GDQ-J50(b) | 50 | 52.2 | 75 | 70 | 190 | 75 | 50 |
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