... gauge 2.S.S case,Brass connection,S.S bayonet bezel, 3.0-4bar,1/4NPT etc. 63mm(2.5") Oil ... filled pressure gauge ,bayonet bezel ,YN63B BRIEF INTRODUCTION Oill filled pressure gauge is filled with ... .5%Working Temperature: -20°c~70°c Case: Stainless steel Bezel : Stainless steel Bourdon tube : Phosphor bronze OR Stainless steel ≤ 60 ...