GDC-J/Z series Electromagnetic High-Vacuum Flapper Valve
	GDC-JZ electromagnetic High-Vacuum Flapper Valve is powered by the electromagnetic force to drive the valve plate to act directly for the purpose of valve opening or closing,which is used in the vacuum system for cutting off or connecting the air flow.The applicable media include clean air or non-corrosive gases.It is also provided with the feedback signal output.
Main Technical Performance
Vacuum Range：  105~6.7x10-6Pa（正反向）  Valve Leak Rate：  ≤1.3x10-6 Pa.L/S  Applicable    Temperature：  -30~+120℃  Coil Operating  Temperature：  ≤60℃  Open-close Time：  ≤1S  Power Supply Votage：  220v±10%/50Hz  Mounting state：  Any  Action Frequence：  ≤6T/Min  Max. Current：  ≤12A  Power Consume：  ≤8W
Materials of Main Parts
Valve body:stainless steel or Aluminium alloy; Ball core: stainless steel Sealing element: fluorine rubber or corrugated tube (shaft gland)
Overall and Connection Dimensions (mm) (GB4982/ISO-KF)
Quick-release flange connection(Stainless steel) (Drawing 1)
Model 型号 DN(mm) A B H GDC-J16b(KF) 16 40 71 142 GDC-J25b(KF) 25 50 74 154 GDC-J40b(KF) 40 65 84 194
Quick-release flange connection(Aluminium alloyl) (Drawing 2)
Model 型号 DN(mm) A B H GDC-J16b(KF) 16 40 45*45 160 GDC-J25b(KF) 25 50 64*64 175 GDC-J40b(KF) 40 65 75*75 220
Quick-release flange connection(Stainless steel) (Drawing 3)
Model 型号 DN(mm) A B L H GDC-Z16b(KF) 16 16 45*45 80 142 GDC-Z25b(KF) 25 21 64*64 100 154 GDC-Z40b(KF) 40 28.5 75*75 130 194