Barbed Orifice Valves

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Fitting Connection

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Airflow @ Pressure

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Tube ID

Water Flow @ Pressure

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Orifice Type

REACH

RoHS

Compliant with Exemptions

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Maximum Pressure @ Temperature

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87 Products

About Measuring Fittings

Measure the threaded ends of your fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Insert the barbed ends of these orifices into rubber and soft plastic tubing, and secure them with a clamp. Also known as flow restrictors and precision orifice valves, they are used to throttle, vent, bleed, or regulate the flow of liquids and gases.

Nylon Body

NPT Male ×

Barbed

	Orifice Dia.	Water Flow	Airflow @ Pressure	For Tube ID	Lg.	For Use With	Max. Pressure @ Temp.	Temp. Range, ° F		Each
NPT Male × Barbed Male







				1/8 Pipe Size

				0.01"	0.016 gpm @ 40 psi	0.1 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T431	00000


				0.016"	0.035 gpm @ 40 psi	0.2 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T478	0000
				0.018"	0.046 gpm @ 40 psi	0.2 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T479	0000
				0.02"	0.056 gpm @ 40 psi	0.3 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T481	0000
				0.021"	0.061 gpm @ 40 psi	0.3 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T482	0000
				0.023"	0.076 gpm @ 40 psi	0.4 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T483	0000
				0.024"	0.082 gpm @ 40 psi	0.4 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T484	0000
				0.025"	0.089 gpm @ 40 psi	0.5 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T485	0000
				0.026"	0.101 gpm @ 40 psi	0.5 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T486	0000
				0.028"	0.114 gpm @ 40 psi	0.6 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T487	0000
				0.029"	0.12 gpm @ 40 psi	0.6 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T488	0000


				0.032"	0.152 gpm @ 40 psi	0.7 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T489	0000
				0.033"	0.158 gpm @ 40 psi	0.8 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T491	0000
				0.035"	0.177 gpm @ 40 psi	0.9 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T492	0000
				0.038"	0.202 gpm @ 40 psi	1.1 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T493	0000
				0.04"	0.228 gpm @ 40 psi	1.2 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T494	0000
				0.042"	0.247 gpm @ 40 psi	1.3 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T495	0000
				0.047"	0.304 gpm @ 40 psi	1.6 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T496	0000
				0.052"	0.373 gpm @ 40 psi	2 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T497	0000
				0.055"	0.43 gpm @ 40 psi	2.2 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T498	0000
				0.063"	0.557 gpm @ 40 psi	2.8 scfm @ 40 psi	1/8"	1 1/16"	Air, Water	125 psi @ 70° F	-40 to 200	6183T499	0000




						1/4 Pipe Size

						0.01"	0.016 gpm @ 40 psi	0.1 scfm @ 40 psi	3/16"	1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T671	00000


						0.01"	0.016 gpm @ 40 psi	0.1 scfm @ 40 psi	1/4"	1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T672	00000
						0.016"	0.035 gpm @ 40 psi	0.2 scfm @ 40 psi	3/16"	1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T567	00000
						0.016"	0.035 gpm @ 40 psi	0.2 scfm @ 40 psi	1/4"	1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T589	00000
						0.018"	0.046 gpm @ 40 psi	0.2 scfm @ 40 psi	3/16"	1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T568	00000
						0.018"	0.046 gpm @ 40 psi	0.2 scfm @ 40 psi	1/4"	1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T591	00000
						0.02"	0.056 gpm @ 40 psi	0.3 scfm @ 40 psi	3/16"	1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T569	00000
						0.02"	0.056 gpm @ 40 psi	0.3 scfm @ 40 psi	1/4"	1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T592	00000
						0.021"	0.061 gpm @ 40 psi	0.3 scfm @ 40 psi	3/16"	1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T571	00000
						0.021"	0.061 gpm @ 40 psi	0.3 scfm @ 40 psi	1/4"	1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T593	00000
						0.023"	0.076 gpm @ 40 psi	0.4 scfm @ 40 psi	3/16"	1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T572	00000


						0.023"	0.076 gpm @ 40 psi	0.4 scfm @ 40 psi	1/4"	1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T594	00000
						0.024"	0.082 gpm @ 40 psi	0.4 scfm @ 40 psi	3/16"	1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T573	00000
						0.024"	0.082 gpm @ 40 psi	0.4 scfm @ 40 psi	1/4"	1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T595	00000
						0.025"	0.089 gpm @ 40 psi	0.5 scfm @ 40 psi	3/16"	1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T574	00000
						0.025"	0.089 gpm @ 40 psi	0.5 scfm @ 40 psi	1/4"	1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T596	00000
						0.026"	0.101 gpm @ 40 psi	0.5 scfm @ 40 psi	3/16"	1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T575	00000
						0.026"	0.101 gpm @ 40 psi	0.5 scfm @ 40 psi	1/4"	1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T597	00000
						0.028"	0.114 gpm @ 40 psi	0.6 scfm @ 40 psi	3/16"	1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T576	00000
						0.028"	0.114 gpm @ 40 psi	0.6 scfm @ 40 psi	1/4"	1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T598	00000
0.029"						0.12 gpm @ 40 psi	0.6 scfm @ 40 psi	3/16"	1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T577	00000


0.029"	0.12 gpm @ 40 psi					0.6 scfm @ 40 psi	1/4"	1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T599	00000
0.032"	0.152 gpm @ 40 psi					0.7 scfm @ 40 psi	3/16"	1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T578	00000
0.032"	0.152 gpm @ 40 psi	0.7 scfm @ 40 psi				1/4"	1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T601	00000
0.033"	0.158 gpm @ 40 psi	0.8 scfm @ 40 psi	3/16"			1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T579	00000
0.033"	0.158 gpm @ 40 psi	0.8 scfm @ 40 psi	1/4"			1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T602	00000
0.035"	0.177 gpm @ 40 psi	0.9 scfm @ 40 psi	3/16"			1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T581	00000
0.035"	0.177 gpm @ 40 psi	0.9 scfm @ 40 psi	1/4"			1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T603	00000
0.038"	0.202 gpm @ 40 psi	1.1 scfm @ 40 psi	3/16"			1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T582	00000
0.038"	0.202 gpm @ 40 psi	1.1 scfm @ 40 psi	1/4"			1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T604	00000
0.04"	0.228 gpm @ 40 psi	1.2 scfm @ 40 psi	3/16"			1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T583	00000


0.04"	0.228 gpm @ 40 psi	1.2 scfm @ 40 psi	1/4"			1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T605	00000
0.042"	0.247 gpm @ 40 psi	1.3 scfm @ 40 psi	3/16"			1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T584	00000
0.042"	0.247 gpm @ 40 psi	1.3 scfm @ 40 psi	1/4"			1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T606	00000
0.047"	0.304 gpm @ 40 psi	1.6 scfm @ 40 psi	3/16"			1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T585	00000
0.047"	0.304 gpm @ 40 psi	1.6 scfm @ 40 psi	1/4"			1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T607	00000
0.052"	0.373 gpm @ 40 psi	2 scfm @ 40 psi	3/16"			1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T586	00000
0.052"	0.373 gpm @ 40 psi	2 scfm @ 40 psi	1/4"			1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T608	00000
0.055"	0.43 gpm @ 40 psi	2.2 scfm @ 40 psi	3/16"			1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T587	00000
0.055"	0.43 gpm @ 40 psi	2.2 scfm @ 40 psi	1/4"			1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T609	00000
0.063"	0.557 gpm @ 40 psi	2.8 scfm @ 40 psi	3/16"			1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T588	00000


0.063"	0.557 gpm @ 40 psi	2.8 scfm @ 40 psi	1/4"			1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T611	00000
0.125"	2.34 gpm @ 40 psi	11.9 scfm @ 40 psi	3/16"			1 1/4"	Air, Water	125 psi @ 70° F	-40 to 200	6183T673	00000
0.125"	2.34 gpm @ 40 psi	11.9 scfm @ 40 psi	1/4"			1 3/8"	Air, Water	125 psi @ 70° F	-40 to 200	6183T674	00000

303 Stainless Steel Body

Barbed ×

Barbed

	Water Flow	Airflow @ Pressure	For Tube ID	Lg.	OD	For Use With	Max. Pressure @ Temp.		Each
Barbed Male × Barbed Male



	0.01"	0.016 gpm @ 40 psi	0.3 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N11	000000


	0.016"	0.035 gpm @ 40 psi	0.5 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N12	00000
	0.018"	0.046 gpm @ 40 psi	0.6 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N13	00000
	0.02"	0.056 gpm @ 40 psi	0.6 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N14	00000
	0.021"	0.061 gpm @ 40 psi	0.7 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N15	00000
	0.023"	0.076 gpm @ 40 psi	0.7 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N16	00000
	0.024"	0.082 gpm @ 40 psi	0.7 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N17	00000
	0.025"	0.089 gpm @ 40 psi	0.8 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N18	00000
	0.026"	0.101 gpm @ 40 psi	0.8 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N19	00000
	0.028"	0.114 gpm @ 40 psi	0.9 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N21	00000
	0.029"	0.12 gpm @ 40 psi	0.9 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N22	00000


	0.032"	0.152 gpm @ 40 psi	1.1 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N23	00000
	0.033"	0.158 gpm @ 40 psi	1.1 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N24	00000
	0.035"	0.177 gpm @ 40 psi	1.2 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N25	00000
	0.038"	0.202 gpm @ 40 psi	1.2 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N26	00000
	0.04"	0.228 gpm @ 40 psi	1.3 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N27	00000
	0.042"	0.247 gpm @ 40 psi	1.4 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N28	00000
	0.047"	0.304 gpm @ 40 psi	1.5 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N29	00000
	0.052"	0.373 gpm @ 40 psi	1.6 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N31	00000
	0.055"	0.43 gpm @ 40 psi	1.7 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N32	00000
	0.063"	0.557 gpm @ 40 psi	2 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N33	00000


	0.125"	2.34 gpm @ 40 psi	4 scfm @ 40 psi	1/4"	1 5/16"	7/16"	Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oil, Natural Gas, Oil, Oxygen, Steam, Water	500 psi @ 70° F	2258N34	00000