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FLAT FACE GLASS WITH BRASS BODY FOR CHECKING FLUID LEVELS (OIL OR COOLANT) IN RESERVOIRS AND RADIATORS

1/2-14 NPT MALE THREAD

Domed GLASS WITH BRASS BODY FOR CHECKING FLUID LEVELS (OIL OR COOLANT) IN RESERVOIRS AND RADIATORS

1/2-14 NPT MALE THREAD

Material Body:   Brass

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

Glass Thickness: 2mm to 8 mm and Domed Glass

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 180'C

Pressure Range:  5-50 Bar(1MPa 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,Worm gearbox, helical gear boxes, variable speed motor, rotomotive Worm gearboxes,Compressor and Power Transimission.

http://www.grand-mfg.com/sdp/607751/4/pd-3133311/11986590-2954543/NPT_1_2_Domed_shape_Brass_oil_sight_glass_GM-HDN12.html