1/2 MNPT Reducers oil level sight glass gauge indicators


Brass oil level sight glass plugs for air compressor 1/2"
Brass Oil level sight glass
Material Body:   Brass
O-Ring: Viton,FKM,FPM,NBR, Aramid gasket and Copper seal
Glass Thickness: 2mm to 5 mm
Pressure Range:  5-10 Bar(0.5MPa to 1 MPa).
Thread type:NPT,NPTF,UNC,UNF,Metric and BSP(G thread)

Inquiry Now


  • NPT thread Brass Oil level sight glass 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" supplied


  • O-Ring: Viton,FKM,FPM,NBR, Aramid gasket and Copper seal


  • Glass Thickness: 2mm to 5 mm


  • Reflectors: Stainless Steel 304 Reflector



  • Glass Type: Natural Glass,Tempered Glass and Borosilicate Glass 


  • Resist Tempreature Range:-30'C to 120'C


  • Pressure Range:  5-10 Bar(0.5MPa to 1 MPa).


  • Thread type:NPT,NPTF,UNC,UNF,Metric and BSP(G thread)


  • Size: Below you will get the size you wanted.Another size is okay.OEM are welcome.


  • Usage:  Pump,Oil Receivers,Gearboxes,Speed Reducer,Compressor and Power Transimission.

LINK TO:    GO TO GRAND-MFG CATALOGUE