GD-JPb series vacuum baffle valveDetailed product description：

GD JPb series vacuum baffle valve

A vacuum damper valve is a valve used to open or block airflow in a vacuum system with a pressure range of 1.3 × 10-5 to 3 × 105Pa.

Main performance of GD JPb series vacuum baffle valve
Leakage rate: ≤ 1.3 × 10-9Pa.M3/S;
Applicable pressure range: 1.3 × 10-5~3 × 105Pa;
Working medium: air, water vapor, corrosive gases;
Working temperature: Fluorine glue -30 ℃~+150 ℃;
Installation location: arbitrary;
Lifespan:>100000 cycles.

Principle
Screw driven lifting valve plate, clockwise closed and counterclockwise open.

characteristic
Circular design, compact structure, beautiful appearance, and light weight; Low mechanical wear and long service life;
The shaft seal adopts corrugated tube sealing;
Easy to install and use, safe and reliable to operate;
High conductivity, maximizing the efficiency of the pump;

Main component materials
Valve body, valve cover, valve stem, bellows	304 or 316L
O-ring	fluororubber

Overall dimensions

Model	DN	A	L	H
GD-J10Pb	ten	thirty	forty-four	one hundred and one
GD-J16Pb	sixteen	forty	sixty-two	one hundred and fourteen
GD-J25Pb	twenty-five	fifty	seventy-eight	one hundred and twenty-five
GD-40Pb	forty	sixty-five	one hundred and three	one hundred and fifty-five

Flange connection size
GD-JPb series vacuum baffle valve quick release flange connection dimensions (standard: GB4982)

Model	DN	A	B	C	L	H
GD-J10Pb	ten	thirty	thirty	twelve point two	forty-three point five	one hundred and one
GD-J16Pb	sixteen	forty	thirty	seventeen point two	sixty-two	one hundred and fourteen
GD-J25Pb	twenty-five	fifty	forty	twenty-six point two	seventy-eight	one hundred and twenty-five
GD-J40Pb	forty	sixty-five	fifty-five	forty-one point two	one hundred and three	one hundred and fifty-five

GD-JPb series vacuum baffle valve sleeve flange connection size (standard: GB6070)

Model	DN	A	B	C	n	c	L	H
GD-J10Pb	ten	thirty	fifty-five	forty	four	six point six	forty-three point five	one hundred and one
GD-J16Pb	sixteen	forty	sixty	forty-five	four	six point six	sixty-two	one hundred and fourteen
GD-J25Pb	twenty-five	fifty	seventy	fifty-five	four	six point six	seventy-eight	one hundred and twenty-five
GD-J40Pb	forty	sixty-five	one hundred	eighty	four	nine	one hundred and three	one hundred and fifty-five

GD-JPb series vacuum baffle valve sanitary flange connection size (standard: ISO-2852)

Model	DN	A	B	C	L	H
GD-J10Pb	ten	thirty	thirty-four	twenty-seven point five	forty-three point five	one hundred and one
GD-J16Pb	sixteen	forty	thirty-four	twenty-seven point five	sixty-two	one hundred and fourteen
GD-J25Pb	twenty-five	fifty	fifty point five	forty-three point five	seventy-eight	one hundred and twenty-five
GD-J40Pb	forty	sixty-five	fifty point five	forty-three point five	one hundred and three	one hundred and fifty-five