Oil-Rite Corporation > Liquid Level Gages > 316 Stainless Steel Gages > 316 Stainless Steel Gages > Item # YB4649-1100BW  

Item # YB4649-1100BW, 316 Stainless Steel Liquid Level Gage, 11” Centerline, Back Mount 1/2”-20 with Nuts

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316 Stainless Steel Liquid Level Gages can be used to view liquid levels in hydraulic reservoirs, tanks, large steel mill pumps, gearboxes, bearing housings, crankcases, transformers and machinery oil reservoirs.  Their use can be extended to many industrial liquid level viewing applications. 


This sturdy gage is constructed with 316 stainless steel.  The glass sight is protected by stainless steel on three sides.  A red line on a white background enhances liquid level visibility.  Leak-proof construction is achieved with Buna-N seals.  The unit tolerates up to 125 PSI and 225° F. 


Fluid enters through the cross hole in the hollow lower bolt.  The gage is vented into the tank through the cross hole in the top bolt.   The length between the center of the two bolts is referred to as the centerline.  The distance between the center of the tank holes must be within 1/32” of the centerline measurement.  The back mount design requires that the inside of the tank be accessible in order to secure the bolts with stainless steel hex nuts.  Torque to 90 in-lbs. 


For fractional inch centerline distances, level markings or other seal options, please consult factory. 





1/2"-20 with Nuts



Max Pressure

125 PSI

Max Temperature

225° F



Body Material

316 Stainless Steel


Special Order
This is a special order item, longer lead times may apply.

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