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Vacuum Valves

DDC-JQ Series Safety Valves for Rotary Vacuum Pump

Applications & Features：
It is a special-purpose valve installed on the vortex sheet type vacuum pump. Valve and pump connect at the same power, opensing and stops directlying control the openning and closing of the valve of the pump. When the pump quited work or the power was suddenly cut off, the valve can seal the vacuum system automatically , Fill enter pump atmosphere through air inlet of pump , prevent pump oil valve from shed the vacuum system of pollution.

Technology parameters

Model(DDC-JQ)	DDC-JQ16A	DDC-JQ25A	DDC-JQ32	DDC-JQ40	DDC-JQ50	DDC-JQ65	DDC-JQ80	DDC-JQ100
Nominal Diameter (mm)	16	25	32	40	50	65	80	100
Scope of application(pa)	10⁵-1×10^-2
Speed that leak gas(Pa.L/S)	6.6×10^-4				6.5×10^-2

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