Breather Vent Plugs,Breather cap,Vent Plugs,Breather Plugs,Breather

Breather Vent Plug

Breather vents, Air Vent Plugs, Vent breather Plugs, Breather Plugs, Breather drain plugs, vent plugs, Air released plugs,Air releasing fitting,Breather cap,Enhanced Brass Breather Vent,Hydraulic Breather Cap

Material: Brass, aluminum and steel
Finish: Natural and Nickel Plated

Thread Type: BSP,Metric,NPT and Any Size OEM are welcome.
Metric thread: M8 to M60

NPT thread: NPT1/8” to NPT1”

BSP thread: G1/8” to G2”

Precision control pressure type:

Working Pressure range: 0.01 MPa to 0.03MPa(0.1bar to 0.3bar).

Working Temperature Range: -30 Celsius Degree to 180 Celsius Degree.

Function: Allow Sealed Pressure Systems to Vent Off Excess Pressure as Heat in System Builds up, Air Pressure is Allowed Back into System as System Cools,Protective cap prevents water or dirt from entering.Keep the system working in a certain low and good pressure improving the transmission efficiency.

Brass/SS304 filter type: 40-60 Micron brass filter or Stainless steel 304 filter.

Usage: Pump, Single Acting cylinders or valves, Crank Cases, Storage Tanks,Thin-wall container, Radiator, Hydraulic tanks,hydraulic reservoir,Hydraulic Cylinders, receivers,manifolds,Gearboxes, Speed Reducer, Compressor and Power Transmission.

Brass Breather Vent Plugs(Metric Thread & BSP)
Item No.	A	B	C	D	E Size	F	L	SW
GM-BVM10	11	5	3	9	M10x1	14	24	12
GM-BVM12	11	5.5	3	10	M12x1.5	17	24.5	14
GM-BVM14	11	5.5	3	10	M14x1.5	19	24.5	15
GM-BVM16	11	5.5	3	10	M16x1.5	22	24.5	17
GM-BVM18	11	5.5	3	10	M18x1.5	24	24.5	19
GM-BVM20	11	5.5	3	10	M20x1.5	26	24.5	19
GM-BVM22	11	5.5	3	10	M22x1.5	27	24.5	21
GM-BVM27	11	5.5	3	10	M27x1.5	32	24.5	24
GM-BVM33	11	5.5	3	10	M33x1.5	39	24.5	27
GM-BVG18	11	5	3	9	G 1/8"-28	14	24	12
GM-BVG14	11	5.5	3	10	G 1/4"-19	19	24.5	14
GM-BVG38	11	5.5	3	10	G 3/8"-19	22	24.5	17
GM-BVG12	11	5.5	3	10	G 1/2"-14	27	24.5	21
GM-BVG34	11	5.5	3	10	G 3/4"-14	32	24.5	24
GM-BVG10	11	5.5	3	10	G 1"-11	39	24.5	27
Air Releasing Pressure Range:0.015MPa to 0.03MPa(0.15Bar to 0.3Bar)

Circular Brass Breather Vent Plugs(Metric Thread & BSP)
Item No.	A	B	C	D	E Size	F	L	SW
GM-CBVM10	11	8	5	2.5	M10x1	14	27	12
GM-CBVM12	11	8	5.5	3	M12x1.5	17	27.5	14
GM-CBVM14	11	8	5.5	3	M14x1.5	19	27.5	15
GM-CBVM16	11	8	5.5	3	M16x1.5	22	27.5	17
GM-CBVM18	11	8	5.5	3	M18x1.5	24	27.5	19
GM-CBVM20	11	8	5.5	3	M20x1.5	26	27.5	19
GM-CBVM22	11	8	5.5	3	M22x1.5	27	27.5	21
GM-CBVM27	11	8	5.5	3	M27x1.5	32	27.5	24
GM-CBVM33	11	8	5.5	3	M33x1.5	39	27.5	27
GM-CBVG18	11	8	5	3	G 1/8"-28	20	27	12
GM-CBVG14	11	8	5.5	3	G 1/4"-19	20	27.5	14
GM-CBVG38	11	8	5.5	3	G 3/8"-19	22	27.5	17
GM-CBVG12	11	8	5.5	3	G 1/2"-14	26	27.5	21
GM-CBVG34	11	8	5.5	3	G 3/4"-14	32	27.5	24
GM-CBVG10	11	8	5.5	3	G 1"-11	40	27.5	27
Air Releasing Pressure Range:0.01MPa to 0.03MPa(0.1Bar to 0.3Bar)

Hexagon Brass Breather Vent Plugs(Metric Thread & BSP)
Item No.	A	B	C	D	E Size	d	SW	Remarks
GM-HBVM10	9	6	8	9	M10x1	18	19	Releasing Pressure Range:0.005MPa to 0.03MPa
GM-HBVM12	9	7	8	9	M12x1.5	18	19
GM-HBVM16	9.2	7	9	9	M16x1.5	18	20
GM-HBVM22	9.2	7	9	9	M22x1.5	18	24
GM-HBVM27	9.5	8	10	9	M27x1.5	18	27
GM-HBVM33	9.5	9	10	9	M33x1.5	18	36

GM-HBVG18	9	6	8	9	G 1/8"-28	18	19
GM-HBVG14	9	7	8	9	G 1/4"-19	18	19
GM-HBVG38	9.2	7	9	9	G 3/8"-19	18	20
GM-HBVG12	9.2	7	9	9	G 1/2"-14	18	26
GM-HBVG34	9.5	8	10	9	G 3/4"-14	18	27
GM-HBVG10	9.5	9	10	9	G 1"-11	18	36

GM-HBVN38	9.2	8	13	9	NPT 3/8"	18	19
GM-HBVN12	9.5	9	17	9	NPT 1/2"	18	22
GM-HBVN34	9.5	9	18	9	NPT 3/4"	18	27
GM-HBVN10	9.5	10	21	9	NPT 1"	18	36

Hexagon Brass Breather Vent Plugs with filter(Metric Thread & BSP)
Item No.	A	B	C	D	E Size	d	SW	Remarks
GM-HBVM10-BF	10	1	9	8	M10x1	18	17	No Pressure with Brass FIller/SS304 Filler
GM-HBVM12-BF	10	1	9	8	M12x1.5	18	17
GM-HBVM16-BF	10	1	9	9	M16x1.5	18	24
GM-HBVM22-BF	10	1	9	9	M22x1.5	18	27
GM-HBVM27-BF	10	1	10	10	M27x1.5	18	32
GM-HBVM33-BF	10	1	10	10	M33x1.5	18	36

GM-HBVG18-BF	10	1	9	8	G 1/8"-28	18	17
GM-HBVG14-BF	10	1	9	8	G 1/4"-19	18	17
GM-HBVG38-BF	10	1	9	9	G 3/8"-19	18	24
GM-HBVG12-BF	10	1	9	9	G 1/2"-14	18	27
GM-HBVG34-BF	10	1	10	10	G 3/4"-14	18	32
GM-HBVG10-BF	10	1	10	10	G 1"-11	18	36

Hexagon Brass Breather Vent Plugs with filler(NPT Thread)
Item No.	A	B	C	D	E Size	d	SW	Remarks
GM-HBVN18-BF	10	1	9	10.5	NPT1/8"	18	17	No Pressure Brass FIller/SS304 Filler
GM-HBVN14-BF	10	1	9	11	NPT1/4"	18	17
GM-HBVN38-BF	10	1	9	12	NPT3/8"	18	19
GM-HBVN12-BF	10	1	9	14	NPT1/2"	18	22
GM-HBVN34-BF	10	1	9	17	NPT3/4"	18	27
GM-HBVN10-BF	10	1	9	20	NPT1"	18	34

Flat Brass Silencer Breather(BSP Thread)
Item No.	A(Thread)	B	C	D(SW)	Remarks
GM-BSG18	G1/8"	5	10.5	12	Working Pressure:0-1MPa
GM-BSG14	G1/4"	7	12	17
GM-BSG38	G3/8"	8	14	19
GM-BSG12	G1/2"	9	15	22
GM-BSG34	G3/4"	9	15	27
GM-BSG10	G1"	11	20	36

Flat Brass Silencer Breather(PT Thread)
Item No.	A(Thread)	B	C	D(SW)	Remarks
GM-BSPT18	PT1/8"	7	12	12	Working Pressure:0-1MPa
GM-BSPT14	PT1/4"	9	15	17
GM-BSPT38	PT3/8"	10	17	19
GM-BSPT12	PT1/2"	12	19	22
GM-BSPT34	PT3/4"	13	21	27
GM-BSPT10	PT1"	15	23	36

Flat Brass Silencer Breather(R Thread)
Item No.	A(Thread)	B	C	D(SW)	Remarks
GM-BSR18	R1/8"	7	12	12	Working Pressure:0-1MPa
GM-BSR14	R1/4"	9	15	17
GM-BSR38	R3/8"	10	17	19
GM-BSR12	R1/2"	12	19	22
GM-BSR34	R3/4"	13	21	27
GM-BSR10	R1"	15	23	36

Flat Brass Silencer Breather(NPT Thread)
Item No.	A	B	C	D(SW)	Remarks
GM-BSN18	NPT1/8"	7	12	12	Working Pressure:0-1MPa
GM-BSN14	NPT1/4"	9	15	17
GM-BSN38	NPT3/8"	10	17	19
GM-BSN12	NPT1/2"	12	19	22
GM-BSN34	NPT3/4"	13	21	27
GM-BSN10	NPT1"	15	23	36

Brass Silencer Breather
Item No.	A	B	C	D(SW)	Remarks
GM-BSBG18	G1/8"	7	12	12	Working Pressure:0-1MPa
GM-BSBG14	G1/4"	9	14	14
GM-BSBG38	G3/8"	10	16	17
GM-BSBG12	G1/2"	12	20	22

Long Brass Silencer Breather
Item No.	A	B	C	D(SW)	Remarks
GM-LM05	M5	4.5	21	10	Working Pressure:0-1MPa
GM-LG18	G1/8"	7	25	12
GM-LG14	G1/4"	9	32	16
GM-LG38	G3/8"	10	41	19
GM-LG12	G1/2"	12	45	22
GM-LG34	G3/4"	13	55	27
GM-LG10	G1"	15	70	36