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CONTACT:Mr。 Xu

+86-13771502818
+86-18762620800
E-mial:xu@tianyi-ad.com Address:Gonghu Community, Xuelang Street, Binhu District, Wuxi City

Vacuum flapper valve


The vacuum flapper valve is used to switch on or off the airflow in the ultra-high vacuum system pipeline, and has two pneumatic and manual driving modes. The pneumatic valve controls the movement of the cylinder by changing the direction of the airflow through the electromagnetic reversing valve to achieve the opening and closing of the valve. The manual valve is driven by the manual rotation of the handle to realize the opening and closing of the valve through the screw drive. Suitable for applications where the medium is air and non-corrosive.

Performance parameters and connection dimensions:
Model H H1 H2 L1 L2 DN D1 D2 D3 D4 d d1 d2 n-Φc1 n-M
(n-Φc2)
n-Φc3
GD-300 ~960 425 215 250 240 300 350 380 350 380 80 125 145 4-Φ9 8-M12 8-Φ14
GD-400 ~1230 605 330 330 330 400 465 500 465 500 100 145 170 4-Φ12 8--M16 8-Φ18
GD-500 ~1310 680 330 370 370 500 580 610 580 610 160 200 225 8-Φ12 16-M12 16-Φ14
GD-600 ~1700 780 390 550 460 600 670 775 670 710 150 195 220 8--Φ12 12-M18 12-Φ21
GD-630 ~1750 830 420 550 460 630 720 750 7205 750 150 195 220 8--Φ12 20-M12 20-Φ14
GD-800 ~1900 940 470 660 550 800 880
(1060)
1100 880 920 200 250 275 8--Φ12 20-M18
(16-Φ23)
20-Φ21
 

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