Polysulfone Plastic Flowmeters

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87 Products

Any-Orientation Flowmeters


Female	Male

A spring piston instead of a float allows these flowmeters to measure flow rate in any mounting orientation. As liquid passes through, it pushes an indicator up the scale, showing you the flow rate. They have union fittings on both ends, making it easy to position the scale so it’s visible.

These flowmeters are calibrated with water but can be used with other liquids. If you’re using these with a liquid other than water, you’ll need to calculate the flow rate by multiplying the number shown on the scale by the specific-gravity conversion factor for your liquid.

Choose a fitting material that is compatible with the liquid you intend to run through your line.

Polysulfone Fitting—Polysulfone fittings work with a wide range of chemicals. However, they can crack from impact or when overtightened.

Brass Fitting—Brass fittings resist impact better than polysulfone fittings.

					Temp., ° F
	Flow, gpm	End-to-End Lg.	Accuracy	Max. Pressure @ Temp.	Min.	Max.	Seal Material	Mounting Position		Each
Polysulfone Body with Polysulfone Fittings







				1 NPTF Male

				0.5 to 4	5 1/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K11	0000000


				1 to 7	5 1/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K12	000000
				1 to 10	5 1/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K13	000000
				1 to 16	5 1/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K14	000000
				3 to 18	5 1/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K15	000000
				4 to 28	5 1/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K16	000000


				Polysulfone Body with Brass Fittings







								1/2 NPTF Female

								0.5 to 4	7 3/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K21	000000


								1 to 7	7 3/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K22	000000
								1 to 10	7 3/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K23	000000
								1 to 16	7 3/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K24	000000




										3/4 NPTF Male

										0.5 to 4	8 1/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K31	000000


										1 to 10	8 1/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K28	000000
										1 to 16	8 1/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K25	000000
										4 to 28	8 1/4"	±5%	325 psi @ 70° F	33	200	Buna-N	Any Angle	4197K27	000000




												1 1/2 NPTF Female

												2 to 25	8 13/16"	±5%	325 psi @ 70° F	33	250	Buna-N	Any Angle	4197K621	000000


												5 to 50	8 13/16"	±5%	325 psi @ 70° F	33	250	Buna-N	Any Angle	4197K622	000000
												7 to 75	8 13/16"	±5%	325 psi @ 70° F	33	250	Buna-N	Any Angle	4197K623	000000
												10 to 100	8 13/16"	±5%	325 psi @ 70° F	33	250	Buna-N	Any Angle	4197K624	000000




														2 NPTF Female

2 to 25	8 13/16"													±5%	325 psi @ 70° F	33	250	Buna-N	Any Angle	4197K631	000000


5 to 50	8 13/16"													±5%	325 psi @ 70° F	33	250	Buna-N	Any Angle	4197K632	000000
7 to 75	8 13/16"	±5%												325 psi @ 70° F	33	250	Buna-N	Any Angle	4197K633	000000
10 to 100	8 13/16"	±5%	325 psi @ 70° F											33	250	Buna-N	Any Angle	4197K634	000000




		2 1/2 NPTF Female

		20 to 200	10 3/4"											±5%	325 psi @ 70° F	33	250	Buna-N	Any Angle	4197K641	00000000




														3 NPTF Female

														25 to 275	10 3/4"	±5%	325 psi @ 70° F	33	250	Buna-N	Any Angle	4197K651	00000000

High-Temperature Flowmeters


Female	Male

Measure the flow rate of high-temperature liquids. As your liquid flows through these flowmeters, it pushes an indicator up the scale, showing you the flow rate. Mount them vertically inline with your piping system, so liquid flows up from the bottom. They have union fittings, making it easy to position the scale so it’s visible. The fittings are plastic, so they work with a wide range of chemicals.

These flowmeters are calibrated using water but can be used with other liquids. If you’re using these with a liquid other than water, you’ll need to calculate the flow rate by multiplying the number shown on the scale by the specific-gravity conversion factor for your liquid.

	Flow					Temp., ° F
	US Customary, gpm	Metric, L/min	Overall Ht.	Accuracy	Max. Pressure @ Temp.	Min.	Max.	Seal Material	Mounting Position	Features		Each
Polysulfone Body with Polypropylene Fittings







				3/8 NPT Male

				0.1 to 1	0.4 to 4	6 3/16"	±4%	175 psi @ 70° F	-10	212	Fluoroelastomer	Vertical	Union Fittings	4400K67	0000000


				0.2 to 2	0.75 to 7.5	6 3/16"	±4%	175 psi @ 70° F	-10	212	Fluoroelastomer	Vertical	Union Fittings	4400K68	000000


				Polysulfone Body with Polysulfone Fittings







								3/8 NPT Male

								0.5 to 5	1.8 to 18	6 3/16"	±4%	175 psi @ 70° F	-10	212	Fluoroelastomer	Vertical	Union Fittings	4400K74	000000




										1/2 NPT Male

										0.1 to 1	0.4 to 4	6 3/16"	±4%	175 psi @ 70° F	-10	212	Fluoroelastomer	Vertical	Union Fittings	4400K72	000000


										0.2 to 2	0.75 to 7.5	6 3/16"	±4%	175 psi @ 70° F	-10	212	Fluoroelastomer	Vertical	Union Fittings	4400K73	000000
										0.5 to 5	1.8 to 18	6 3/16"	±4%	175 psi @ 70° F	-10	212	Fluoroelastomer	Vertical	Union Fittings	4400K69	000000
										1 to 10	5 to 37.5	7 1/2"	±4%	175 psi @ 70° F	-10	212	Fluoroelastomer	Vertical	Union Fittings	4400K66	000000




												3/4 NPT Male

												1 to 10	5 to 37.5	7 1/2"	±4%	175 psi @ 70° F	-10	212	Fluoroelastomer	Vertical	Union Fittings	4400K71	000000




														1 NPT Female

														0.5 to 6	2 to 22	14 1/2"	±3%	150 psi @ 70° F	33	212	Fluoroelastomer	Vertical	Union Fittings	4400K131	000000


														1 to 10	4 to 40	14 1/2"	±3%	150 psi @ 70° F	33	212	Fluoroelastomer	Vertical	Union Fittings	4400K132	000000
														2 to 20	6 to 76	14 1/2"	±3%	150 psi @ 70° F	33	212	Fluoroelastomer	Vertical	Union Fittings	4400K54	000000
														3 to 30	10 to 110	14 1/2"	±3%	150 psi @ 70° F	33	212	Fluoroelastomer	Vertical	Union Fittings	4400K55	000000
														4 to 40	15 to 155	14 1/2"	±3%	150 psi @ 70° F	33	212	Fluoroelastomer	Vertical	Union Fittings	4400K56	000000




																2 NPT Female

2 to 20																8 to 78	18 7/8"	±2%	150 psi @ 70° F	33	200	Fluoroelastomer	Vertical	Union Fittings	4400K141	00000000


6 to 100	20 to 380															18 7/8"	±2%	150 psi @ 70° F	33	200	Fluoroelastomer	Vertical	Union Fittings	4400K59	00000000
20 to 130	80 to 500															18 7/8"	±2%	150 psi @ 70° F	33	200	Fluoroelastomer	Vertical	Union Fittings	4400K61	00000000


Polysulfone Body with PVC Fittings







																1 1/2 NPT Female

				0.5 to 6												2 to 22	14 1/2"	±3%	150 psi @ 70° F	33	212	Fluoroelastomer	Vertical	Union Fittings	4400K151	000000


				1 to 10	4 to 40											14 1/2"	±3%	150 psi @ 70° F	33	212	Fluoroelastomer	Vertical	Union Fittings	4400K152	000000
				2 to 20	6 to 76											14 1/2"	±3%	150 psi @ 70° F	33	212	Fluoroelastomer	Vertical	Union Fittings	4400K153	000000
				3 to 30	23 to 115	14 1/2"										±3%	150 psi @ 70° F	33	212	Fluoroelastomer	Vertical	Union Fittings	4400K154	000000
				4 to 40	15 to 155	14 1/2"	±3%									150 psi @ 70° F	33	212	Fluoroelastomer	Vertical	Union Fittings	4400K155	000000

Flowmeters for High-Purity Liquids

To avoid metal contaminating liquids, such as deionized water, these flowmeters are made entirely of plastic and rubber. As your liquid flows through, it pushes an indicator up the scale, showing you the flow rate. Mount these flowmeters vertically inline with your pipe system, so liquid flows up from the bottom. They have union fittings, making it easy to position the scale so it’s visible. The fittings are PVC, so they work with a wide range of chemicals.

					Temp., ° F
	Flow, gpm	Overall Ht.	Accuracy	Max. Pressure @ Temp.	Min.	Max.	Seal Material	Mounting Position	Features		Each
Polysulfone Body with PVC Fittings







				1/2 NPT Female

				0.05 to 0.5	10"	±6%	150 psi @ 70° F	33	130	Fluoroelastomer	Vertical	Union Fittings	9747K69	0000000


				0.1 to 1	10"	±6%	150 psi @ 70° F	33	130	Fluoroelastomer	Vertical	Union Fittings	9747K72	000000




						3/4 NPT Female

						0.2 to 2.4	10"	±6%	150 psi @ 70° F	33	130	Fluoroelastomer	Vertical	Union Fittings	9747K73	000000


						0.5 to 5	10"	±6%	150 psi @ 70° F	33	130	Fluoroelastomer	Vertical	Union Fittings	9747K74	000000




								1 NPT Female

								0.76 to 7.6	11 3/4"	±6%	150 psi @ 70° F	33	130	Fluoroelastomer	Vertical	Union Fittings	9747K75	000000


								1 to 10	11 3/4"	±6%	150 psi @ 70° F	33	130	Fluoroelastomer	Vertical	Union Fittings	9747K76	000000
								1.5 to 15	11 3/4"	±6%	150 psi @ 70° F	33	130	Fluoroelastomer	Vertical	Union Fittings	9747K77	000000
								2 to 20	11 3/4"	±6%	150 psi @ 70° F	33	130	Fluoroelastomer	Vertical	Union Fittings	9747K78	000000

Any-Orientation Flowmeters for Oil

With a spring piston instead of a float, these flowmeters measure the flow rate of oil in any mounting orientation. As oil flows through, it pushes an indicator up the scale, showing you the flow rate. Install them inline with your piping system with the fittings on both ends. They’re union fittings, making it easy to position the scale so it’s visible.

These flowmeters are calibrated with oil but can be used with other liquids. If you’re using these with a liquid other than oil, you’ll need to calculate the flow rate by multiplying the number shown on the scale by the specific-gravity conversion factor for your liquid.

Choose a fitting material that is compatible with the liquid you intend to run through your line.

Polysulfone Fitting—Polysulfone fittings work with a wide range of chemicals. However, they can crack from impact or when overtightened.

Brass Fitting—Brass fittings resist impact better than polysulfone fittings.

					Temp., ° F
	Flow, gpm	End-to-End Lg.	Accuracy	Max. Pressure @ Temp.	Min.	Max.	Seal Material	Mounting Position	Features		Each
Polysulfone Body with Polysulfone Fittings







				1/2 NPTF Female

				0.5 to 5	7 3/16"	±5%	325 psi @ 70° F	33	200	Fluoroelastomer	Any Angle	Union Fittings	4161A71	0000000


				1 to 10	7 3/16"	±5%	325 psi @ 70° F	33	200	Fluoroelastomer	Any Angle	Union Fittings	4161A72	000000




						3/4 NPTF Female

						1 to 10	7 9/16"	±5%	325 psi @ 70° F	33	200	Fluoroelastomer	Any Angle	Union Fittings	4161A73	000000


						1 to 15	7 9/16"	±5%	325 psi @ 70° F	33	200	Fluoroelastomer	Any Angle	Union Fittings	4161A74	000000




								1 NPTF Female

								1 to 15	7 9/16"	±5%	325 psi @ 70° F	33	200	Fluoroelastomer	Any Angle	Union Fittings	4161A75	000000


								3 to 30	7 9/16"	±5%	325 psi @ 70° F	33	200	Fluoroelastomer	Any Angle	Union Fittings	4161A76	000000


								Polysulfone Body with Brass Fittings







												1/2 NPTF Female

												0.5 to 5	7 3/16"	±5%	325 psi @ 70° F	33	200	Fluoroelastomer	Any Angle	Union Fittings	4161A51	000000


												1 to 10	7 3/16"	±5%	325 psi @ 70° F	33	200	Fluoroelastomer	Any Angle	Union Fittings	4161A52	000000




														3/4 NPTF Female

														1 to 10	7 9/16"	±5%	325 psi @ 70° F	33	200	Fluoroelastomer	Any Angle	Union Fittings	4161A53	000000


														1 to 15	7 9/16"	±5%	325 psi @ 70° F	33	200	Fluoroelastomer	Any Angle	Union Fittings	4161A54	000000




																1 NPTF Female

1 to 15	7 9/16"															±5%	325 psi @ 70° F	33	200	Fluoroelastomer	Any Angle	Union Fittings	4161A55	000000


3 to 30	7 9/16"															±5%	325 psi @ 70° F	33	200	Fluoroelastomer	Any Angle	Union Fittings	4161A56	000000

Socket-Connect Flowmeters

Easily install the unthreaded ends of these flowmeters into a PVC piping system. Bond the ends to PVC pipe with PVC cement and primer. They measure flow correctly no matter the mounting orientation. As liquid flows through the meter, it pushes an indicator up the scale, showing you the flow rate. They work with a wide range of chemicals since the fittings are made from PVC.

						Temp., ° F
	Flow, gpm	Overall Ht.	Accuracy	For Pipe Schedule	Max. Pressure @ Temp.	Min.	Max.	Seal Material	Mounting Position		Each
Polysulfone Body with PVC Fittings







				1 Male

				0.5 to 4	8 1/2"	±5%	40, 80	Not Rated	32	140	Buna-N	Any Angle	4197K41	0000000


				1 to 10	8 1/2"	±5%	40, 80	Not Rated	32	140	Buna-N	Any Angle	4197K43	000000
				3 to 18	8 1/2"	±5%	40, 80	Not Rated	32	140	Buna-N	Any Angle	4197K45	000000
				4 to 28	8 1/2"	±5%	40, 80	Not Rated	32	140	Buna-N	Any Angle	4197K46	000000

High-Temperature Panel-Mount Flowmeters


Male Flowmeters	Male, Flowmeters with Flow-Control Knob

Install these flowmeters in an instrument panel to measure the flow rate of hot water and other liquids reaching up to 212° F. They should be mounted vertically, so liquid flows up from the bottom. As liquid flows through, it pushes an indicator up the scale, showing you the flow rate.

Flow-Control Knob—Flowmeters with a flow-control knob let you open and close the inlet valve to adjust the flow rate within the range.

	Flow						Temp., ° F				Flowmeters		Flowmeters with Flow-Control Knob
	US Customary, gpm	Metric, L/min	Overall Ht.	Ctr.-to-Ctr. Ht.	Accuracy	Max. Pressure @ Temp.	Min.	Max.	Seal Material	Mounting Position		Each		Each
Polysulfone Body with Polysulfone Fittings







				3/8 NPT Male

				0.025 to 0.25	0.1 to 1	7"	6"	±4%	175 psi @ 70° F	33	212	Fluoroelastomer	Vertical	4215K66	0000000	4215K76	0000000


				0.1 to 1	0.4 to 4	7"	6"	±4%	175 psi @ 70° F	33	212	Fluoroelastomer	Vertical	4215K67	000000	4215K77	000000
				0.2 to 2	0.75 to 7.5	7"	6"	±4%	175 psi @ 70° F	33	212	Fluoroelastomer	Vertical	4215K68	000000	4215K78	000000
				0.5 to 5	1.8 to 18	7"	6"	±4%	175 psi @ 70° F	33	212	Fluoroelastomer	Vertical	4215K69	000000	4215K79	000000




						1/2 NPT Male

						0.025 to 0.25	0.1 to 1	7"	6"	±4%	175 psi @ 70° F	33	212	Fluoroelastomer	Vertical	4215K61	000000	4215K71	000000


						0.1 to 1	0.4 to 4	7"	6"	±4%	175 psi @ 70° F	33	212	Fluoroelastomer	Vertical	4215K62	000000	4215K72	000000
						0.2 to 2	0.75 to 7.5	7"	6"	±4%	175 psi @ 70° F	33	212	Fluoroelastomer	Vertical	4215K63	000000	4215K73	000000
						0.5 to 5	1.8 to 18	7"	6"	±4%	175 psi @ 70° F	33	212	Fluoroelastomer	Vertical	4215K64	000000	4215K74	000000




								3/4 NPT Male

								1 to 10	5 to 37.5	8"	6 13/16"	±4%	175 psi @ 70° F	33	212	Fluoroelastomer	Vertical	4215K65	000000	4215K75	000000