GD-J(b) series manual high vacuum baffle valve (with bellows seal)Detailed product description：

The GD-J (b) series manual high vacuum baffle valve (also known as angle valve) adopts bellows sealing and is one of the important components in the vacuum system. The transmission parts of the valve adopt a threaded structure and rely on manual rotation of the handwheel and opening and closing of the valve plate.
The applicable media are air and non corrosive gases.

Main technical performance of GD-J (b) series manual high vacuum baffle valve (with bellows seal)

Scope of application (Pa)	2x105～1.3x10-6
Valve leakage rate (Pa.L/S)	≤1.3x10-7
Applicable temperature (℃)	-25～+40
Flange Standard	GB4982
Installation location	arbitrary

Connection and external dimensions

Model	Diameter (DN)	ΦD	ΦB	ΦW	H	A	bxb
GD-J10(b)/KF	ten	thirty	twelve point two	thirty-six	one hundred and sixteen	forty	37x37
GD-J16(b)/KF	sixteen	thirty	seventeen point two	thirty-six	one hundred and sixteen	forty	37x37
GD-J25(b)/KF	twenty-five	forty	twenty-six point two	fifty	one hundred and forty-four	fifty	61x61
GD-J40(b)/KF	forty	fifty-five	forty-one point two	fifty-six	one hundred and seventy-four	sixty-five	81x81