British Standard Thread Pressure Gauges

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113 Products

About Pipe Size

About Pressure Gauges

About Pressure Transmitters

Dual Scale With Center Back Connection

Bottom Connection

Center Back Connection

These are the most commonly used pressure gauges. Use them with pumps, filters, regulators, and in process lines to measure and display pressure.

Gauges with 304 stainless steel case or ABS plastic case have better corrosion resistance than gauges with brass or steel case.

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

ABS Plastic Case with Brass Connection—Dual Scale (psi, kPa)

For Use With: Air, Water, Hydraulic Fluid, Carbon Dioxide, and Natural Gas
Accuracy: ±2% Mid Scale (Grade B)
Mount with the dial face upright

Available Pressure Ranges
Pressure Range		Graduation Marks		Numeric Increments
psi	kPa	psi	kPa	psi	kPa
0 to 30	0 to 200	1	5	5	50
0 to 60	0 to 400	2	10	10	100
0 to 100	0 to 700	2	20	20	100
0 to 160	0 to 1,100	5	20	20	200
0 to 200	0 to 1,400	5	50	40	200
0 to 300	0 to 2,000	10	50	50	500
0 to 600	0 to 4,000	20	100	100	1,000
0 to 1,000	0 to 7,000	20	200	200	1,000

						Bottom Connection		Center Back Connection
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Case Color	Mounting Orientation		Each		Each
BSPT Male
1 5/8"	1/8	-40° to 120°	-40° to 120°	Black	Upright	0000000	000000	0000000	000000
2"	1/4	-40° to 120°	-40° to 120°	Black	Upright	0000000	00000	0000000	00000
2 1/2"	1/4	-40° to 120°	-40° to 120°	Black	Upright	0000000	00000	0000000	00000

Miniature Pressure Gauges

Center Back Connection

The small dial on these gauges allows for installation in tight spaces. Use them with pumps, filters, regulators, and in process lines to measure and display pressure.

Gauges with ABS plastic case are more corrosion resistant than brass-case gauges.

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

ABS Plastic Case with Brass Connection—Single Scale (psi)

For Use With: Air, Water, Hydraulic Fluid, Ethyl Alcohol, Nitrogen, and Natural Gas
Accuracy: ±5% Full Scale (Grade D)

Available Pressure Ranges
Pressure Range, psi	Graduation Marks, psi	Numeric Increments, psi
0 to 60	5	10
0 to 100	5	20
0 to 160	10	40
0 to 200	10	40
0 to 300	25	50

						Center Back Connection
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Case Color	Mounting Orientation		Each
BSPT Male
29/32"	1/8	-40° to 150°	-40° to 150°	Black	Any	00000000	000000

Vibration-Resistant Pressure Gauges

Center Back Connection

Bottom Connection

A liquid-filled dial reduces needle flutter for precise readings in high-vibration applications. Gauges are commonly used with pumps, filters, regulators, and in process lines to measure and display pressure. Mount them with the dial face upright.

Gauges with 304 stainless steel case and ABS plastic case have better corrosion resistance than gauges with brass case.

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

304 Stainless Steel Case with Brass Connection—Dual Scale (psi, bar)

For Use With: Air, Water, Hydraulic Fluid, Carbon Dioxide, and Natural Gas
Accuracy: ±1.5% Full Scale (Not Graded)

Available Pressure Ranges
Pressure Range		Graduation Marks		Numeric Increments
psi	bar	psi	bar	psi	bar
BSPP Male
0 to 14.4	0 to 1	0.4	0.02	4	0.2
0 to 22.8	0 to 1.6	0.6	0.04	6	0.4
0 to 36	0 to 2.5	1	0.05	10	0.5
0 to 57.6	0 to 4	1.6	0.1	16	1
0 to 86	0 to 6	2	0.1	20	1
0 to 144	0 to 10	4	0.2	40	2
0 to 228	0 to 16	6	0.4	60	4
0 to 360	0 to 25	10	0.5	100	5
0 to 576	0 to 40	16	1	160	10
0 to 860	0 to 60	20	1	200	10
0 to 1,440	0 to 100	40	2	400	20
0 to 2,280	0 to 160	60	4	600	40
0 to 3,600	0 to 250	100	5	1,000	50
0 to 5,800	0 to 400	160	10	1,600	100
0 to 8,600	0 to 600	200	10	2,000	100

						Bottom Connection		Center Back Connection
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Liquid Type	Mounting Orientation		Each		Each
BSPP Male
2 1/2"	1/4	0° to 140°	0° to 140°	Glycerin	Upright	0000000	000000	0000000	000000

Absolute Pressure Gauges

Bottom Connection

Unlike other gauges that measure the difference between your system and the atmosphere, these give measurements relative to zero pressure. They’re often used in laboratory applications, and they are barometrically independent.

Stainless steel gauges have excellent corrosion resistance, so they can be used with more corrosive liquids and gasses than gauges with a brass connection and aluminum case.

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

Stainless Steel Case with Stainless Steel Connection—Single Scale (mbar)

For Use With: Air, Carbon Dioxide, Diesel Fuel, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Natural Gas, Water
Accuracy: ±1% Full Scale (Not Graded)

Available Pressure Ranges
Pressure Range, mbar	Numeric Increments, mbar	Graduation Marks, mbar
0 to 25	5	0.5
0 to 60	10	1
0 to 160	50	5
0 to 600	100	10
0 to 1,000	200	20

					Bottom Connection
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Lens Material		Each
BSPP Male
4"	1/2	5° to 120°	0° to 200°	Glass	000000	000000000

Flush-Mount Pressure Transmitters

For Use With: Air, Argon, Diesel Fuel, Hydraulic Fluid, Nitrogen, Water
Accuracy: ±0.05%
Pipe Connection: BSPP Male
Housing Material: 316 Stainless Steel
Connection Material: 316 Stainless Steel
Diaphragm Material: Fluoroelastomer Rubber
Temperature Range: -10° to 190° F

The diaphragm on these transmitters mounts flush with your system’s connection, leaving no room for thick liquids to clog or harden. They’re often used to monitor pressure in wastewater, paint, and adhesive-dispensing applications. Also known as transducers, they convert pressure to an electrical signal that can be interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls. For your receiving device to interpret the signal from the transmitter, you will need to calibrate it for the transmitter's pressure range and output signal. As pressure increases, the output signal from the transmitter will increase. Transmitters will only provide accurate readings within the rated pressure range.

All are rated IP67 and IP69K, so they'll withstand temporary submersion as well as high-pressure, high-temperature washdowns. CE marked, they meet European safety standards.

Connect using two wires. The same wire is used to send a signal to the receiver and to power the transmitter. Current doesn’t lose signal over long distances and isn’t affected by electrical interference from other devices.

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

4-20mA Current Output—2-Pole Micro M12 Connection
Pressure Range, psi	Maximum Continuous Pressure, psi	Maximum Short-Term Pressure, psi	Input Voltage	Pipe Size	Ht.	Wd.	Environmental Rating		Each
0-870	2,175	2,175	8.5-36V DC	1/4	1 1/2"	3/4"	IP67, IP69K	0000000	0000000
0-1,450	3,625	3,625	8.5-36V DC	1/4	1 1/2"	3/4"	IP67, IP69K	0000000	000000
0-2,320	5,800	5,800	8.5-36V DC	1/4	1 1/2"	3/4"	IP67, IP69K	0000000	000000
0-3,625	9,060	9,060	8.5-36V DC	1/4	1 1/2"	3/4"	IP67, IP69K	0000000	000000
0-5,800	11,580	11,580	8.5-36V DC	1/4	1 1/2"	3/4"	IP67, IP69K	0000000	000000

Pressure and Vacuum Transmitters with Digital Display

For Use With: Air, Argon, Diesel Fuel, Hydraulic Fluid, Nitrogen, Water
Accuracy: ±1%
Pipe Connection Type: Threaded
Housing Material: Glass-Reinforced Polyester
Connection Material: 316L Stainless Steel
Temperature Range: -10° to 175°F

Monitor and control vacuum pumps, air compressors, and hydraulics while viewing readings and warnings on the display. These transmitters, also called transducers, have two outputs, so you can program them to work as a transmitter, a switch, or both. When they reach their setpoint, they send electrical signals to your programmable logic controller (PLC) to trigger actions in your system. Adjust their reset point anywhere within the setpoint range. To change settings and receive error messages remotely from your PLC or computer, program one of the outputs to use IO Link. You need an IO-Link controller (not included) to connect to your interface.

Buttons on the display let you change your setpoint, measuring range, and other settings. To quickly tell the status of your process, you can program the color of the display to red and green. LEDs on the corners also notify you of your output’s switching status. Rotate the head to view the display from the best angle.

You must calibrate your PLC in order for it to interpret signals from these transmitters. As pressure increases, the output signal from the transmitter will increase. These transmitters only give accurate readings within the rated pressure or vacuum range.

All have an M12 plug to connect to M12 Connectors. When using both switching outputs and an IO-Link controller, they require four wires to connect. For their 4-20mA analog output, they need two wires to connect. View switch wiring diagrams by selecting a part number and clicking Product Detail.

To withstand wet environments, these transmitters have a 316L stainless steel connection and are IP rated. Their IP ratings also mean they’re dust tight and stand up to spraying water and brief submersion. UL and C-UL listed as well as CE marked, they meet strict American, Canadian, and European safety standards.

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

			Setpoint Range						Configurable Analog Transmitter/Digital Switch Output			Configurable Digital Switch Output
Pressure Range, psi	Vacuum Range, in. of Hg	Max. Continuous and Short-Term Pressure, psi	Pressure, psi	Vacuum, in. of Hg	Input Voltage	Pipe Size	Ht.	Wd.	No. of	Current	Signal Type	No. of	Signal Type	Scale		Each
BSPP Female
0-7.3	14.8-0	145	0-7.3	14.8-0	18-30V DC	1/4	3 9/16"	1 3/8"	1	4-20mA	NPN, PNP	1	NPN, PNP	in. of H2O, kPa, mbar, psi	0000000	0000000
0-14.5	1.4-0	145	0-14.5	1.4-0	18-30V DC	1/4	3 9/16"	1 3/8"	1	4-20mA	NPN, PNP	1	NPN, PNP	in. of H2O, kPa, mbar, psi	0000000	000000
0-14.5	29.5-0	145	0-14.5	29.5-0	18-30V DC	1/4	3 9/16"	1 3/8"	1	4-20mA	NPN, PNP	1	NPN, PNP	in. of H2O, in. of Hg, kPa, mbar, psi	0000000	000000
0-87	29.5-0	600	0-87	29.5-0	18-30V DC	1/4	3 9/16"	1 3/8"	1	4-20mA	NPN, PNP	1	NPN, PNP	bar, MPa, psi	0000000	000000
0-145	29.7-0	1,085	0-145	29.7-0	18-30V DC	1/4	3 9/16"	1 3/8"	1	4-20mA	NPN, PNP	1	NPN, PNP	bar, MPa, psi	0000000	000000
0-360	29.5-0	2,175	0-360	29.5-0	18-30V DC	1/4	3 9/16"	1 3/8"	1	4-20mA	NPN, PNP	1	NPN, PNP	bar, MPa, psi	0000000	000000
BSPP Male
0-7.3	14.8-0	145	0-7.3	14.8-0	18-30V DC	1/4	3 11/16"	1 3/8"	1	4-20mA	NPN, PNP	1	NPN, PNP	bar, MPa, psi	0000000	000000
0-14.5	1.4-0	145	0-14.5	1.4-0	18-30V DC	1/4	3 11/16"	1 3/8"	1	4-20mA	NPN, PNP	1	NPN, PNP	bar, MPa, psi	0000000	000000
0-14.5	29.5-0	145	0-14.5	29.5-0	18-30V DC	1/4	3 11/16"	1 3/8"	1	4-20mA	NPN, PNP	1	NPN, PNP	in. of H2O, in. of Hg, kPa, mbar, psi	0000000	000000
0-87	29.5-0	600	0-87	29.5-0	18-30V DC	1/4	3 11/16"	1 3/8"	1	4-20mA	NPN, PNP	1	NPN, PNP	bar, MPa, psi	0000000	000000
0-145	29.7-0	1,085	0-145	29.7-0	18-30V DC	1/4	3 11/16"	1 3/8"	1	4-20mA	NPN, PNP	1	NPN, PNP	bar, MPa, psi	0000000	000000
0-360	29.5-0	145	0-360	29.5-0	18-30V DC	1/4	3 11/16"	1 3/8"	1	4-20mA	NPN, PNP	1	NPN, PNP	bar, MPa, psi	0000000	000000