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Oil Level 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:   Aluminum,Steel,plastic and Brass

O-Ring: Viton,NBR, 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-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

 

Aluminum Oil Sight Glass (Metric & BSP)
Item No. Size A(mm) B(mm) C(mm) D(mm) E(mm) F(mm) SW(mm) Max MPa/Temperateru
GM-AM10 M10 M10x1 7 7 14 15 5 13 0.4MPa  /  Below Zero 30 to 120 Centigrade
GM-AM16 M16 M16x1.5 7.5 7 14.5 22 10 19
GM-AM20 M20 M20x1.5 8 7 15 26 14 23
GM-AM22 M22 M22x1.5 8 8 16 28 15 24
GM-AM26 M26 M26x1.5 9 9 18 31 20 26
GM-AM27 M27 M27x1.5 9 9 18 32 20 26
GM-AM30 M30 M30x1.5 10 9 19 37 22 33
GM-AM33 M33 M33x1.5 11 9 20 40 24 36
 
GM-AG38 3/8" G 3/8" 7.5 7 14.5 22 10 19
GM-AG12 1/2" G 1/2" 8 7 15 26 14 23
GM-AG34 3/4" G 3/4" 9 9 18 32 20 26
GM-AG10 1" G 1" 11 9 20 40 24 36

 

Hexagon Brass Oil Sight Glass (Metric & BSP)
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 0.5MPa 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 12 10 22 25 40
 
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

Hexagon Aluminum Sight Glass(BSP & Metric Thread)
Item No. Size A(mm) B(mm) C(mm) D(mm) E(mm) SW(mm) Max Mpa Temperature
GM-AHM10 M10 M10x1 7 7 14 5 14 1MPa Below Zero 30 to 120 Centigrade
GM-AHM16 M16 M16x1.5 7 7 14 10 22
GM-AHM20 M20 M20x1.5 8 7 15 16 26
GM-AHM22 M22 M22x1.5 8 7 15 17 28
GM-AHM26 M26 M26x1.5 9 8 17 20 33
GM-AHM27 M27 M27x1.5 9 8 17 20 33
GM-AHM30 M30 M30x1.5 10 9 19 23 36
GM-AHM33 M33 M33x1.5 12 10 22 25 40
 
GM-AHG38 3/8" G 3/8" 7 7 14 10 22
GM-AHG12 1/2" G 1/2" 8 7 15 16 26
GM-AHG34 3/4" G 3/4" 9 8 17 20 33
GM-AHG10 1" G 1" 12 10 22 25 40
GM-AHG114 1-1/4" G1-1/4" 14 10 24 35 50

 

 

Hexagon Steel Oil Sight Glass (Metric & BSP)
Item No. Size A(mm) B(mm) C(mm) D(mm) E(mm) SW(mm) Max Mpa Temperature
GM-SHM10 M10 M10x1 7 7 14 5 14 1MPa Below Zero 30 to 120 Centigrade
GM-SHM16 M16 M16x1.5 7 7 14 10 22
GM-SHM20 M20 M20x1.5 8 7 15 16 26
GM-SHM22 M22 M22x1.5 8 7 15 17 28
GM-SHM26 M26 M26x1.5 9 8 17 20 33
GM-SHM27 M27 M27x1.5 9 8 17 20 33
GM-SHM30 M30 M30x1.5 10 9 19 23 36
GM-SHM33 M33 M33x1.5 12 10 22 25 40
 
GM-SHG38 3/8" G 3/8" 7 7 14 10 22
GM-SHG12 1/2" G 1/2" 8 7 15 16 26
GM-SHG34 3/4" G 3/4" 9 8 17 20 33
GM-SHG10 1" G 1" 12 10 22 25 40

 

 

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

 

Plated Hexagon Steel Sight Glass (NPT Thread)
Item No. Size A(mm) B(mm) C(mm) D(mm) E(mm) SW(mm) Max Mpa Temperature
GM-SN38 3/8" NPT 3/8" 16 11 27 11 19 1MPa Below Zero 30 to 120 Centigrade
GM-SN12 1/2" NPT 1/2" 16.5 11.5 28 13 24
GM-SN34 3/4" NPT 3/4" 17 12 29 19 28
GM-SN10 1" NPT 1" 20 12 32 25 35
GM-SU116 1 1/16" 1 1/16-12 UN 15 12 27 19 31



Circular Brass Oil Sight Glass With Relfector (Metric & BSP)
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 120 Centigrade 
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 The glass can make red marking.The reflector can paint white
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-BRG38 3/8" G 3/8" 2.6 4 8 9 15 22
GM-BRG12 1/2" G 1/2" 2.6 4 8 11.5 17.5 26
GM-BRG34 3/4" G 3/4" 2.6 4 8 16 22 32
GM-BRG100 1" G 1" 2.6 4.5 9 22 28 38
GM-BRG114 1 1/4" G 1 1/4" 3.2 4.5 10 28 36 48
GM-BRG112 1 1/2" G 1 1/2" 3.2 5 11 33 39 55
GM-BRG200 2" G 2" 4.5 5.5 11 43 49 69


 

Domed Head Hexagon Oil Sight Glass (Metric,BSP & NPT)
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-DRG12 13 G 1/2" 9 8 17 28 14 25 With Borosilicate Glass Below Zero 30 to 70 Centigrade
GM-DRG34 14 G 3/4" 9 9 18 32 19 28
GM-DRG10 15 G 1" 11 11 22 37 26 34
GM-DRM18 13 M18x1.5 8 7 15 27 13 25
GM-DRM20 13 M20x1.5 8 8 17 28 13 25
GM-DRM22 13 M22x1.5 9 8 17 28 13 25
GM-DRM24 13 M24x1.5 9 8 17 29 13 26
GM-DRM26 14 M26x1.5 9 8 17 31 14 28
GM-DRM27 15 M27x1.5 9 9 18 33 19 30
GM-DRM30 15 M30x1.5 10 10 20 36 23 33
GM-DRM33 15 M33x1.5 11 11 22 38 26 34

 

Cheap Aluminum Oil Sight Glass With Plastic Glass (Metric & BSP)
Item No. Size A(mm) B(mm) C(mm) D(mm) E(mm) SW(mm) Max Mpa Temperature
GM-ACM10 M10 M10x1 7 7 14 5 14 0.6MPa Below Zero 20 to 80 Centigrade
GM-ACM16 M16 M16x1.5 7 7 14 10 22
GM-ACM20 M20 M20x1.5 8 7 15 16 26
GM-ACM22 M22 M22x1.5 8 7 15 17 28
GM-ACM26 M26 M26x1.5 9 8 17 20 33
GM-ACM27 M27 M27x1.5 9 8 17 20 33
GM-ACM30 M30 M30x1.5 10 9 19 23 36
GM-ACM33 M33 M33x1.5 12 10 22 25 40
 
GM-ACG38 3/8" G 3/8" 7 7 14 10 22
GM-ACG12 1/2" G 1/2" 8 7 15 16 26
GM-ACG34 3/4" G 3/4" 9 8 17 20 33
GM-ACG10 1" G 1" 12 10 22 25 40

  

Plastic 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-PM16 M16 M16x1.5 7 9 16 14 22 17 0.4MPa  /  Below Zero 20 to 70 Centigrade
GM-PM18 M16 M18x1.5 8 9 17 15 25 22
GM-PM20 M20 M20x1.5 8 9 17 16 27 24
GM-PM22 M22 M22x1.5 8 9 17 18 27 24
GM-PM24 M24 M24x1.5 9 9 18 19 31 27
GM-PM26 M26 M26x1.5 9 9 18 20 31 27
GM-PM27 M27 M27x1.5 9 9 18 22 36 31
GM-PM30 M30 M30x1.5 10 9 19 24 36 32
GM-PM33 M33 M33x1.5 11 8 19 26 41 36
GM-PM36  M36 M36x1.5 11 11 22 28 46 41
GM-PM42 M42 M42x1.5 12 12 24 38 52 46
GM-PM60 M60 M60x2.0 12 16 28 54 71 62
 
GM-PG38 G3/8" G3/8" 7 9 16 14 22 17
GM-PG12 G1/2" G1/2" 8 9 17 18 27 24
GM-PG34 G3/4" G3/4" 9 9 18 22 36 31
GM-PG10 G1" G1" 11 8 19 26 41 36
GM-PG114 G1-1/4" G1-1/4" 11 11 22 28 46 41
GM-PG134 G1-3/4" G1-3/4" 12 12 24 38 52 46
GM-PG200 G2" G2" 12 16 28 54 71 62

 

 

Circular Plastic Oil Sight Glass(Metric Thread)
Item No. Size A(mm) B(mm) C(mm) D(mm) E(mm) F(mm) Max MPa/Temperateru
GM-PCM16 M16 M16x1.5 7 8 15 14 20 0.4MPa  /  Below Zero 20 to 70 Centigrade
GM-PCM27 M27 M27x1.5 9 9 18 22 36
GM-PCM42 M42 M42x1.5 12 10 22 38 51
GM-PCM60 M60 M60x2.0 13 12 25 54 66

 

 

 

 

Press Fit Plastic Circular Oil Sight Glass
Item No. Fit Size E(mm) B(mm) C(mm) D(mm) A(mm) F(mm) Max MPa/Temperateru
GM-PP20 20 12 6 9 15 20 22 0.2MPa  /  Below Zero 20 to 70 Centigrade
GM-PP25 25 16 6 9 15 25 28
GM-PP32 32 20 7 9 17 32 35
GM-PP38 38 25 8 9 17 38 40
GM-PP40 40 28 8 10 18 40 45
GM-PP45 45 32 10 11 21 45 48
GM-PP55 55 40 10 11 21 55 58
GM-PP65 65 50 10 12 22 65 70

Brass Oil Sight Glass
Brass Oil Sight Glass
Metric thread and BSP (G Thread)
Steel Oil Sight Glass
Steel Oil Sight Glass

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