1/2 NPT Reducers oil level indicator sight glass gauge

Brass oil level sight glass plugs
for air compressor G1/2" G3/4" G1" G3/8"
Brass Oil level sight glass
Material Body: Brass
O-Ring: Viton,FKM,FPM,NBR, Aramid gasket and Copper seal

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Description

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
Reflectors: Stainless Steel 304 Reflector
(Any type you can chose with reflector or without Reflector, You also can add float ball.)
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.