GI-C series high vacuum butterfly valveDetailed product description：

The GI-C series high vacuum butterfly valve is used to regulate the airflow in vacuum systems. Adjust the angle range from 0 to 90 degrees.
The applicable working media are air and non corrosive gases.

Main technical performance

Scope of application (Pa)	105～1.3x10-5
Valve leakage rate (Pa.L/S)	≤1.3x10-6
Medium temperature (℃)	-25~+80 (sealing material is nitrile rubber) -30~+150 (sealing material is fluororubber)
Flange Standard	JB919
Installation location	arbitrary

Connection and external dimensions

Model	Diameter (DN)	ΦD	ΦB	H	A	L	L1	n-ΦC
GI-32C	thirty-two	seventy-eight	sixty-four	fifty-one	twenty-two	sixty-two	twenty-nine	4-Φ7
GI-40C	forty	eighty-five	seventy	fifty-five		sixty-five	thirty-two
GI-50C	fifty	one hundred and ten	ninety	sixty-nine		seventy-one	forty-five	4-Φ9
GI-63C	sixty-three	one hundred and thirty	one hundred and ten	seventy-two	twenty-six	eighty-seven	fifty-five
GI-80C	eighty	one hundred and forty-five	one hundred and twenty-five	eighty	thirty	eighty-five	sixty-three
GI-100C	one hundred	one hundred and seventy	one hundred and forty-five	ninety-three		one hundred and ten	seventy-five	4-Φ12
GI-150C	one hundred and fifty	two hundred and twenty	one hundred and ninety-five	one hundred and twenty-two	thirty-five	one hundred and fifty-five	ninety-eight	8-Φ12
GI-200C	two hundred	two hundred and seventy-five	two hundred and fifty	one hundred and fifty-six	forty	one hundred and fifty-nine	one hundred and seventeen
GI-250C	two hundred and fifty	three hundred and thirty	three hundred	two hundred and fifty-nine	forty-five	one hundred and sixty-seven	one hundred and thirty-two
GI-300C	three hundred	three hundred and eighty	three hundred and fifty	two hundred and eighty-four	fifty-five	one hundred and ninety-seven	one hundred and sixty-two	8-Φ14