GrandMfg®Stainless Carbon Steel coolant sight glass window plug

Steel Oil Sight Glass

GrandMfg® Steel oil level sight glass Zinc Plated sight window viewports indicator Ölschauglas

Material Body: Carbon Steel Plated

Finishing: Zinc plated,Nickel plated and chrome plated

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 180'C

Pressure Range: 5-50 Bar(0.5MPa to 5MPa).

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.

Steel Oil Sight Glass Zinc Plated(Metric Thread)
Item No.	Size	A(Size)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	SW(mm)	Max MPa/Temperateru
GM-CSM10	M10	M10x1	7	7	14	15	6	13	1MPa /Metric and BSP Thread DIN3869-ED Gaskets for Sealing. Below Zero 25 to 180 Centigrade(FKM/Viton)
GM-CSM12	M12	M12x1.5	7	7	14	17	8	15
GM-CSM14	M14	M14x1.5	7	7	14	19	10	17
GM-CSM16	M16	M16x1.5	7.5	7	14.5	22	10	19
GM-CSM18	M18	M18x1.5	8	7	15	24	10	21
GM-CSM20	M20	M20x1.5	8	7	15	26	14	23
GM-CSM22	M22	M22x1.5	8	8	16	28	15	23
GM-CSM24	M24	M24x1.5	8	9	17	30	17	24
GM-CSM26	M26	M26x1.5	9	9	18	31	20	26
GM-CSM27	M27	M27x1.5	9	9	18	32	20	29
GM-CSM30	M30	M30x1.5	10	9	19	37	22	33
GM-CSM33	M33	M33x1.5	11	9	20	40	24	36
GM-CSM42	M42	M42x1.5	12	10	22	52	31	46
GM-CSM60	M60	M60x2	13.5	10.5	24	71	46	62

Steel Oil Sight Glass Zinc Plated(BSP Thread)
Item No.	Size	A(Size)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	SW(mm)	Max MPa/Temperateru
GM-CSG18	1/8"	G1/8"	8	8	16	14	6	13	1MPa /Metric and BSP Thread DIN3869-ED Gaskets for Sealing. Below Zero 25 to 180 Centigrade(FKM/Viton)
GM-CSG14	1/4"	G1/4"	8	9	17	18	8	17
GM-CSG38	3/8"	G3/8"	7.5	7	14.5	22	10	19
GM-CSG12	1/2"	G1/2"	8	7	15	26	14	23
GM-CSG34	3/4"	G3/4"	9	9	18	32	20	26
GM-CSG10	1"	G1"	11	9	20	40	24	36
GM-CSG114	1-1/4"	G1-1/4"	12	9	21	50	35	42
GM-CSG112	1-1/2"	G1-1/2"	13	10	23	56	39	48
GM-CSG20	2"	G2"	13	10	23	70	48	60

Hexagon Steel Oil Sight Glass(Metric Thread)
Item No.	Size	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	SW(mm)	Pressure	Temperature
GM-SM10	M10	M10x1	7	7	14	5	14	1MPa-5Pa(Glass thicknes should be adjusted)	Metric and BSP Thread DIN3869-ED Gaskets for Sealing. Below Zero 25 to 180 Centigrade(FKM/Viton)
GM-SM12	M12	M12x1.5	7	7	14	8	17
GM-SM14	M14	M14x1.5	7	7	14	10	19
GM-SM16	M16	M16x1.5	7	7	14	10	22
GM-SM20	M20	M20x1.5	8	7	15	14	26
GM-SM22	M22	M22x1.5	8	7	15	15	28
GM-SM24	M24	M24x1.5	9	8	17	17	30
GM-SM26	M26	M26x1.5	9	8	17	20	33
GM-SM27	M27	M27x1.5	9	8	17	20	33
GM-SM30	M30	M30x1.5	10	9	19	23	36
GM-SM33	M33	M33x1.5	12	10	22	25	40
GM-SM42	M42	M42x1.5	12	10	22	31	52
GM-SM60	M60	M60x2	13	10	23	46	71

Hexagon Steel Oil Sight Glass(BSP Thread)
Item No.	Size	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	SW(mm)	Pressure	Temperature
GM-SG18	1/8"	G 1/8"	7	7	14	6	17	1MPa-5Pa(Glass thicknes should be adjusted)	Below Zero 30 to 120 Centigrade((FKM/Viton to 180 Centigrade)
GM-SG14	1/4"	G 1/4"	8	7	15	8	19
GM-SG38	3/8"	G 3/8"	7	7	14	10	22
GM-SG12	1/2"	G1/2"	8	7	15	16	26
GM-SG34	3/4"	G3/4"	9	8	17	20	33
GM-SG10	1"	G1"	12	10	22	25	40
GM-SG114	1-1/4"	G1-1/4"	14	10	24	35	50
GM-SG112	1-1/2"	G1-1/2"	14	11	25	39	55
GM-SG20	2"	G2"	14	12	26	48	71

Hexagon Steel Oil Sight Glass Zinc Plated (NPT Thread)
Item No.	Size	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	SW(mm)	Pressure	Temperature
GM-SN14	1/4"	NPT 1/4"	15	11	16	8	17	1MPa-5Pa(Glass thicknes should be adjusted)	Below Zero 30 to 120 Centigrade((FKM/Viton to 180 Centigrade)
GM-SN38	3/8"	NPT 3/8"	16	11	27	11	19
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-SN114	1-1/4"	NPT1-1/4"	20	12	32	35	48
GM-SN112	1-1/2"	NPT1-1/2"	22	13	35	39	52
GM-SN20	2"	NPT 2"	23	13	36	48	65

Hexagon Steel Oil Sight Glass Zinc Plated(SAE Threads UN/UNS/UNF/UNEF)
Item No.	Size	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	SW(mm)	Max Mpa	Temperature
GM-SU34	3/4"	UNF3/4"-24	9	11	20	14	24
GM-SU118	1-1/8"	UNF 1-1/8"-12	6.5	3.5	11	19	32	1MPa	Below Zero 30 to 120 Centigrade((FKM/Viton to 180 Centigrade)
GM-SU118	1-1/8"	UNF 1-1/8"-18	11	6.5	17.5	22	36
GM-SU114	1-1/4"	UNF 1-1/4"-12	17	6	23	22	40
GM-SU1516	1-5/16"	UN1-5/16"-12	10	12	22	20	38
GM-SU112	1-1/2"	UNEF1-1/2"-18	8	13	21	25	38
GM-SU178	1-7/8'	UNF1-7/8"-12	13	14	27	32	56

Steel Oil Sight Glass

brass

stainless steel

aluminum

fused sight glass