GD-J high vacuum manual flapper valve

Summay：GD-J series high vacuum manual flapper valve is one of the important elements in the vacuum system. As the opening and closing structure of high vacuum pipeline, it has the advantages of stable operation, reliable sealing, long life and convenient operation.

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Product Details

GD-J series high vacuum manual flapper valve is one of the important elements in the vacuum system. As the opening and closing structure of high vacuum pipeline, it has the advantages of stable operation, reliable sealing, long life and convenient operation. It is one of the valves of choice for vacuum system. This valve is powered by manual rotation handle, and the internal valve plate of the valve is opened and closed through thread transmission. The direction of opening and closing shall be subject to the direction marked on the handle. The medium of this valve is air and non-corrosive gas.

Performance parameters
Scope of application	5X10-7Pa～1X105Pa
Valve body leakage rate	<1.3X10-10Pa·L/S
Positive and reverse leakage rate of valve plate	<1.3X10-10Pa·L/S
Installation position	Arbitrary
Baking temperature	150 degrees Celsius

Specifications and models	Interface	A	B	C	D	E	F	Weight (Kg)	Remarks
GD-J16 CF	CF16 loose sleeve	105	Φ16	40	Φ48	64	Φ40	0.52	Stainless Steel
GD-J25 CF	CF25 loose sleeve	137	Φ25	55	Φ69	89.5	Φ50	1.83
GD-J35 CF	CF35 loose sleeve	152	Φ35	63	Φ86	106	Φ63	2.22
GD-J50 CF	CF50 loose sleeve	185	Φ50	80	Φ92	126	Φ63	2.72