GrandMfg® Stainless Steel Oil level sight glass window plugs viewports indicator Ölschauglas

Material Body:   Stainless steel 304,Stainless steel 304L,Stainless Steel 316,Stainless steel 316L

O-Ring: Viton,FKM,FPM,NBR, Aramid gasket，Silicone Rubber,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 220'C

Pressure Range:  5-120 Bar(0.5MPa to 12 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.