GrandMfg® Aluminum Oil level sight glass Indicator plugs

Material Body:   Aluminum 6061 T6/Aluminum 6063

Finish: aluminum natural and aluminum oxidized color/ Anodizing color.

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

Glass Thickness: 2mm to 8 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:  5-50 Bar(0.5MPa to 5 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.