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JQ Series ultra-high vacuum angle valve

Usage ：

Used in low vacuum and high vacuum system; equipped with the backing pump of the ultra-high vacuum system.

Features ：

valve head viton ring sealed

rotating flange ,easy to be connected

sealed with welded below.

Specifications ：

Leakage ：

Valve body ≤ 1X10 -12Pa.m 3/s ；

Valve holder ≤ 1X10 -12Pa.m 3/s ；

Pressure range： from ultra-high vacuum to atmospheric pressure barometric

Life ： rational usage ,more than5000times

Interface flange ： copper gasket

Bake temperature::start <180 ℃ stop<150 ℃