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Brass Oil Sight Glass 

Oil level sight glass,Bulls eye Sight Glass,Fluid level Sight Glass,Circular oil sight Glass

Oil level indicator sight glass,oil sight gauge,Oil sight windows,Visual level sight glass

Visual level indicator,Visual level sight gauge,domed shape sight glass.

Material Body:   Brass

O-Ring: Viton,FKM,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.

Brass Oil Sight Glass(BSP & Metric Thread)
Item No. Size A(mm) B(mm) C(mm) D(mm) E(mm) F(mm) SW(mm) Max MPa/Temperateru
GM-BM10 M10 M10x1 7 7 14 15 5 13 1MPa  /  Below Zero 30 to 120 Centigrade
GM-BM16 M16 M16x1.5 7.5 7 14.5 22 10 19
GM-BM20 M20 M20x1.5 8 7 15 26 14 23
GM-BM22 M22 M22x1.5 8 8 16 28 15 24
GM-BM26 M26 M26x1.5 9 9 18 31 20 26
GM-BM27 M27 M27x1.5 9 9 18 32 20 26
GM-BM30 M30 M30x1.5 10 9 19 37 22 33
GM-BM33 M33 M33x1.5 11 9 20 40 24 36
GM-BM42 M42 M42x1.5 12 10 22 52 31 46
GM-BM60 M60 M60x2 13.5 10.5 24 71 46 62
 
GM-BG38 3/8" G 3/8" 7.5 7 14.5 22 10 19
GM-BG12 1/2" G 1/2" 8 7 15 26 14 23
GM-BG34 3/4" G 3/4" 9 9 18 32 20 26
GM-BG10 1" G 1" 11 9 20 40 24 36
GM-BG114 1-1/4" G1-1/4" 12 9 21 50 35 42
GM-BG112 1-1/2" G1-1/2" 13 10 23 56 39 48
GM-BG200 2" G 2" 13 10 23 70 48 60

Hexagon Brass Oil Sight Glass(BSP & Metric Thread)
Item No. Size A(mm) B(mm) C(mm) D(mm) E(mm) SW(mm) Max Mpa Temperature
GM-BHM10 M10 M10x1 7 7 14 5 14 1MPa Below Zero 30 to 120 Centigrade
GM-BHM16 M16 M16x1.5 7 7 14 10 22
GM-BHM20 M20 M20x1.5 8 7 15 16 26
GM-BHM22 M22 M22x1.5 8 7 15 17 28
GM-BHM26 M26 M26x1.5 9 8 17 20 33
GM-BHM27 M27 M27x1.5 9 8 17 20 33
GM-BHM30 M30 M30x1.5 10 9 19 23 36
GM-BHM33 M33 M33x1.5 11 10 22 25 40
GM-BHM42 M42 M42x1.5 12 10 22 31 52
GM-BHM60 M60 M60x2 13 10 23 46 71
 
GM-BHG38 3/8" G 3/8" 7 7 14 10 22
GM-BHG12 1/2" G 1/2" 8 7 15 16 26
GM-BHG34 3/4" G 3/4" 9 8 17 20 33
GM-BHG10 1" G 1" 12 10 22 25 40
GM-BHG114 1-1/4" G1-1/4" 14 10 24 35 50
GM-BHG112 1-1/2" G1-1/2" 14 11 25 39 55
GM-BHG200 2" G2" 14 12 26 48 71

 

Circular Brass Oil Sight Glass With Relfector(BSP & Metric Thread)
Item No. Size A(mm) B(mm) C(mm) D(mm) E(mm) F(mm) H(mm) Max MPa/Temperateru
GM-BRM16 M16 M16x1.5 2.6 4 8 9 15 22 1MPa  /  Below Zero 30 to 130 Centigrade.The glass can make red marking.The reflector can paint white 
GM-BRM18 M18 M18x1.5 2.6 4 8 9 15 22
GM-BRM20 M20 M20x1.5 2.6 4 8 11.5 17.5 26
GM-BRM22 M22 M22x1.5 2.6 4 8 11.5 17.5 26
GM-BRM24 M24 M24x1.5 2.6 4 8 16 22 30
GM-BRM26 M26 M26x1.5 2.6 4 8 16 22 32
GM-BRM27 M27 M27x1.5 2.6 4 8 16 22 32
GM-BRM30 M30 M30x1.5 2.6 4.5 8.5 20 26 36
GM-BRM30D M30 M30x2 2.6 4.5 8.5 20 26 36
GM-BRM33 M33 M33x1.5 2.6 4.5 9 22 28 38
GM-BRM33D M33 M33x2 2.6 4.5 9 22 28 38
GM-BRM35 M35 M35x1.5 2.6 4.5 9 25 31 42
GM-BRM36 M36 M36x1.5 2.6 4.5 9 25 31 42
GM-BRM42 M42 M42x1.5 3.2 4.5 10 28 34 48
GM-BRM48 M48 M48x1.5 3.2 5 11 33 39 55
GM-BRM60 M60 M60x2 4.5 5.5 11 43 49 69
 
GM-BCG38 3/8" G3/8" 2.6 4 8 9 15 22
GM-BCG12 1/2" G1/2" 2.6 4 8 11.5 17.5 26
GM-BCG34 3/4" G3/4" 2.6 4 8 16 22 32
GM-BCG100 1" G1" 2.6 4.5 9 22 28 38
GM-BCG114 1 1/4" G1 1/4" 3.2 4.5 10 28 36 48
GM-BCG112 1 1/2" G1 1/2" 3.2 5 11 33 39 55
GM-BCG200 2" G2" 4.5 5.5 11 43 49 69
GM-BCG212 2 1/2" G2 1/2" 4.5 6.5 11.5 57 64 18

Hexagon Brass Oil Sight glass (NPT Thread)
Item No. Size(mm) A(mm) B(mm) C(mm) D(mm) E(mm) SW(mm) Max Mpa Temperature
GM-BN38 3/8" NPT 3/8" 16 11 27 11 19 1MPa Below Zero 30 to 120 Centigrade
GM-BN12 1/2" NPT 1/2" 16.5 11.5 28 13 24
GM-BN34 3/4" NPT 3/4" 17 12 29 19 28
GM-BN10 1" NPT 1" 20 12 32 25 35
GM-BN114 1-1/4" NPT1-1/4" 20 12 32 35 48
GM-BN112 1-1/2" NPT1-1/2" 22 13 35 39 56
GM-BN20 2" NPT 2" 23 13 36 48 66

Domed Hexagon Oil Sight Glass(NPT,BSP & Metric Thread)
Item No. Size(mm) A(mm) B(mm) C(mm) D(mm) E(mm) F(mm) SW(mm) Temperature
GM-HDN12 1/2" NPT 1/2" 15 11 26 19 13 26 With Borosilicate Glass Below Zero 30 to 240 Centigrade
GM-HDN34 3/4" NPT 3/4" 17 11 29 26 15 35
GM-HDN10 1" NPT 1" 20 12 32 26 15 35
GM-HDG12 1/2" G 1/2" 9 11 18 19 13 26
GM-HDG34 3/4" G 3/4" 9 9 18 26 15 35
GM-HDG10 1" G 1" 11 11 22 26 15 38
GM-HDM18 M18 M18x1.5 8 7 17 19 13 26
GM-HDM20 M20 M20x1.5 8 8 17 19 13 26
GM-HDM22 M22 M22x1.5 9 8 17 19 13 27
GM-HDM24 M24 M24x1.5 9 8 17 19 13 28
GM-HDM26 M26 M26x1.5 9 8 17 19 14 30
GM-HDM27 M27 M27x1.5 9 9 18 26 15 35
GM-HDM33 M33 M33x1.5 11 11 22 26 15 38

 

Domed Shaped Oil Sight Glass(BSP & Metric Thread) 
Item No. H(mm) A(mm) B(mm) C(mm) D(mm) E(mm) F(mm) SW(mm) Temperature
GM-DCG12 13 G 1/2" 9 8 17 28 14 25 With Borosilicate Glass Below Zero 30 to 70 Centigrade
GM-DCG34 14 G 3/4" 9 9 18 32 19 28
GM-DCG10 15 G 1" 11 11 22 37 26 34
GM-DCM18 13 M18x1.5 8 7 15 27 13 25
GM-DCM20 13 M20x1.5 8 8 17 28 13 25
GM-DCM22 13 M22x1.5 9 8 17 28 13 25
GM-DCM24 13 M24x1.5 9 8 17 29 13 26
GM-DCM26 14 M26x1.5 9 8 17 31 14 28
GM-DCM27 15 M27x1.5 9 9 18 33 19 30
GM-DCM30 15 M30x1.5 10 10 20 36 23 33
GM-DCM33 15 M33x1.5 11 11 22 38 26 34

 


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