Shuttle Flow Switches | McMaster-Carr

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10 Products

Adjustable Flow Switches for Water and Oil

An adjustment screw lets you alter the set point to suit your application. These switches activate or deactivate equipment when the flow rate reaches your set point. All are single pole, double throw (SPDT) and can be installed to turn one circuit from “off” to “on” (normally open) or from “on” to “off” (normally closed).

For technical drawings and 3-D models, click on a part number.

Straight

							Conduit
Pipe Size	Thread Type	Gender	Max. Pressure	Temp. Range, °F	Voltage	Current	Trade Size	Thread Type	Gender	End-to-End Lg.	Choose a Set Point, gpm		Each
Bronze Body
1	NPT	Female	400 psi @ 70° F	-20° to 200°	120V AC/ 240V AC	0.17 A @ 120 V AC	1/2	NPT	Male	3 1/4"	1-6, 2-8, 5-15	000000	0000000

Elbow

							Conduit
Pipe Size	Thread Type	Gender	Max. Pressure	Temp. Range, °F	Voltage	Current	Trade Size	Thread Type	Gender	Port-to-Port Lg.	Choose a Set Point, gpm		Each
Bronze Body
3/4	NPT	Female	400 psi @ 70° F	-20° to 180°	120V AC/ 240V AC	0.17 A @ 120 V AC	1/2	NPT	Male	1 3/8"	0.75-4, 2-8, 7-14	000000	0000000

Flow Switches for Water and Oil

These switches activate or deactivate equipment when the flow rate reaches your set point. They are single pole, double throw (SPDT) and can be installed to turn one circuit from “off” to “on” (normally open) or from “on” to “off” (normally closed).

Switches with a 316 stainless steel body are more corrosion resistant than switches with a bronze body.

For technical drawings and 3-D models, click on a part number.

							Conduit
Pipe Size	Thread Type	Gender	Max. Pressure	Temp. Range, °F	Voltage	Current	Trade Size	Thread Type	Gender	End-to-End Lg.	Choose a Set Point, gpm		Each
Bronze Body
1	NPT	Female	400 psi @ 70° F	-20° to 300°	120V AC/ 240V AC	0.17 A @ 120 V AC	1/2	NPT	Male	3 1/4"	0.5, 2, 4, 6, 8	0000000	0000000
1 1/4	NPT	Female	400 psi @ 70° F	-20° to 300°	120V AC/ 240V AC	0.17 A @ 120 V AC	1/2	NPT	Male	4"	1, 4, 8, 12, 20	0000000	000000
1 1/2	NPT	Female	400 psi @ 70° F	-20° to 300°	120V AC/ 240V AC	0.17 A @ 120 V AC	1/2	NPT	Male	4 1/2"	1.5, 5, 10, 20, 30	0000000	000000
2	NPT	Female	400 psi @ 70° F	-20° to 300°	120V AC/ 240V AC	0.17 A @ 120 V AC	1/2	NPT	Male	5 3/8"	2, 5, 15, 35, 50	0000000	000000
316 Stainless Steel Body
1	NPT	Female	400 psi @ 70° F	-20° to 300°	120V AC/ 240V AC	0.17 A @ 120 V AC	1/2	NPT	Male	3 1/4"	0.5, 2, 4, 6, 8	0000000	000000
1 1/4	NPT	Female	400 psi @ 70° F	-20° to 300°	120V AC/ 240V AC	0.17 A @ 120 V AC	1/2	NPT	Male	4 1/2"	1, 4, 8, 12, 20	0000000	00000000
1 1/2	NPT	Female	400 psi @ 70° F	-20° to 300°	120V AC/ 240V AC	0.17 A @ 120 V AC	1/2	NPT	Male	4 1/2"	5	00000000	00000000
2	NPT	Female	400 psi @ 70° F	-20° to 300°	120V AC/ 240V AC	0.17 A @ 120 V AC	1/2	NPT	Male	5 3/8"	2, 5, 15, 35, 50	0000000	00000000