Pressure Gauges for Steam

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	Connection Location Connection Location

	Bottom		Center Back

	Pipe Size Pipe Size

1/4

1/2

	Thread Type Thread Type

NPT

	Measures Measures

Differential Pressure

Pressure

Temperature

	For Use With For Use With	Show

Steam

	For Use With For Use With	Hide

Warning: Products have one, but not necessarily all, of the selected characteristics.

	Scale Scale

	Display Type Display Type


Dial	U-Tube

	Dial Type Dial Type

	Dry

	System of Measurement System of Measurement

Inch

	Stem Length Stem Length

1 1/2"

	Dial Diameter Dial Diameter

2 1/2"

3 1/4"

	Scale Type Scale Type

	Dual

	Maximum Process Temperature Maximum Process Temperature

250° F

320° F

	Connection Type Connection Type

	Pipe

	Case Material Case Material

Steel

	Gender Gender

Male

Female

	Connection Style Connection Style

Threaded

	Connection Material Connection Material

Brass

Stainless Steel

	Maximum Environment Temperature Maximum Environment Temperature

140° F

150° F

	Lens Material Lens Material

Plastic

	Maximum Display Temperature , °F Maximum Display Temperature , °F

320° F

	Accuracy Scale Accuracy Scale

Full Scale

	Minimum Display Temperature , °F Minimum Display Temperature , °F

70° F

	Minimum Process Temperature Minimum Process Temperature

35° F

70° F

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54 Products

About Pressure Gauges

About Pipe Size

Bottom Connection

Center Back Connection

Designed for use with boilers, these gauges have a dual scale that displays pressure in psi and feet of H₂O and displays temperature in °F/°C.

Painted Steel Case with Brass Connection—Dual Scale (psi/ft. of H₂O, Fahrenheit/Celsius)

For Use With: Steam and Water
Accuracy: ±2.5% Full Scale (Not Graded)

Available Pressure Ranges
Pressure Range		Graduation Marks		Numeric Increments
psi	ft. of H₂O	psi	ft. of H₂O	psi	ft. of H₂O
2 1/2" Dial Dia.
0 to 75	0 to 170	5	10	20	50
3 1/4" Dial Dia.
0 to 100	0 to 230	2	10	20	50
0 to 200	0 to 460	5	20	40	100

		Display Temp. Range
Dial Diameter	Pipe Size	°F	°C	Environment Temp. Range, °F	Process Temp. Range, °F	Case Color	Mounting Orientation	Stem Lg.	Shoulder Lg.		Each
Bottom Connection
NPT Male
3 1/4"	1/2	70° to 320°	20° to 160°	-40° to 140°	70° to 320°	Black	Any	2"	__	0000000	000000
Center Back Connection
NPT Male
2 1/2"	1/4	70° to 320°	20° to 160°	-40° to 140°	70° to 320°	Black	Any	1"	__	0000000	00000
2 1/2"	1/4	70° to 320°	20° to 160°	-40° to 140°	70° to 320°	Black	Any	1"	2"	0000000	00000
2 1/2"	1/4	70° to 320°	20° to 160°	-40° to 140°	70° to 320°	Black	Any	1 1/2"	2"	0000000	00000
3 1/4"	1/2	70° to 320°	20° to 160°	-40° to 140°	70° to 320°	Black	Any	2"	__	0000000	00000

Low-Pressure Differential Gauges with U-Tube

Also known as manometers, these gauges come with indicating liquid that moves up and down two columns—the difference in height between them is your pressure. They are commonly used to indicate clogged filters.

316 Stainless Steel Connection—(in. of H₂O)

For Use With: Acetylene, Air, Argon, Carbon Dioxide, and Steam
Accuracy: Not Rated (Not Graded)

						Environment Temp. Range		Process Temp. Range				Mounting
Pressure Range, in. of H₂O	Scale Range, in. of H₂O	Numeric Increments, in. of H₂O	Graduation Marks, in. of H₂O	Max. Pressure, psi	Ht.	Min., °F	Max., °F	Min., °F	Max., °F	Gender	Mount Type	Fasteners Included	Hole Dia.	Number of Holes		Each
With 1/4 NPT Female Threaded Pipe Connection
0-10	5-0-5	1	0.1	250	14"	35°	150°	35°	250°	Female	Screw On	No	3/16"	4	0000000	0000000
0-15	7-0-7	1	0.1	250	18"	35°	150°	35°	250°	Female	Screw On	No	3/16"	4	0000000	000000

Gauge Siphon Tubes

Also known as pigtails, these siphon tubes protect dry gauges from steam and high-temperature fluids. Add water to the tube to create a protective barrier between your gauge and process media.

Style C requires less maintenance than Styles A, B, and D because the extra bends prolong water retention.

NPT Male Connections

Brass
Style	Pipe Size	Lg.	Max. Pressure	Specifications Met		Each
A	1/4	4"	1,000 psi @ 400° F	ASTM B43	0000000	000000
A	1/4	4"	240 psi @ 400° F	ASTM B43	0000000	0000
A	1/4	5 5/8"	1,000 psi @ 400° F	ASTM B43	0000000	00000
A	1/4	5 5/8"	240 psi @ 400° F	ASTM B43	0000000	00000
B	1/4	6 1/2"	1,000 psi @ 400° F	ASTM B43	0000000	00000
B	1/4	6 1/2"	240 psi @ 400° F	ASTM B43	0000000	00000
C	1/4	7 1/2"	1,000 psi @ 400° F	ASTM B43	0000000	00000
C	1/4	7 1/2"	240 psi @ 400° F	ASTM B43	0000000	00000
304 Stainless Steel
A	1/4	5 1/2"	1,500 psi @ 700° F	ASTM A312	0000000	00000
A	1/4	5 1/2"	440 psi @ 750° F	ASTM A312	0000000	00000
316 Stainless Steel
A	1/4	5 1/2"	1,500 psi @ 750° F	ASTM A312	0000000	000000
A	1/4	5 1/2"	450 psi @ 750° F	ASTM A312	0000000	00000
A	1/2	8 7/8"	1,500 psi @ 800° F	ASTM A312	0000000	000000
A	1/2	8 7/8"	730 psi @ 800° F	ASTM A312	0000000	00000
B	1/4	6 1/2"	1,500 psi @ 750° F	ASTM A312	0000000	000000
B	1/4	6 1/2"	450 psi @ 750° F	ASTM A312	0000000	00000
B	1/2	7 1/2"	1,500 psi @ 800° F	ASTM A312	0000000	000000
B	1/2	7 1/2"	730 psi @ 800° F	ASTM A312	0000000	00000
C	1/4	9 1/2"	1,500 psi @ 750° F	ASTM A312	0000000	000000
C	1/4	9 1/2"	450 psi @ 750° F	ASTM A312	0000000	00000
C	1/2	12"	1,500 psi @ 800° F	ASTM A312	0000000	000000
C	1/2	12"	730 psi @ 800° F	ASTM A312	0000000	000000
Seamless Steel
A	1/4	5 1/2"	2,000 psi @ 750° F	ASTM A106 Grade B	0000000	00000
A	1/4	5 1/2"	580 psi @ 750° F	ASTM A106 Grade B	0000000	00000
A	1/2	8 7/8"	1,000 psi @ 700° F	ASTM A106 Grade B	0000000	00000
A	1/2	8 7/8"	1,700 psi @ 800° F	ASTM A106 Grade B	0000000	00000
B	1/4	6 1/2"	2,000 psi @ 750° F	ASTM A106 Grade B	0000000	00000
B	1/4	6 1/2"	580 psi @ 750° F	ASTM A106 Grade B	0000000	00000
C	1/4	7 1/4"	2,000 psi @ 750° F	ASTM A106 Grade B	0000000	00000
C	1/4	7 1/4"	580 psi @ 750° F	ASTM A106 Grade B	0000000	00000
Welded Steel
A	1/4	5 1/2"	1,000 psi @ 400° F	ASTM A53 Grade F	0000000	0000
A	1/4	5 1/2"	300 psi @ 400° F	ASTM A53 Grade F	0000000	0000
A	1/2	8 7/8"	1,000 psi @ 400° F	ASTM A53 Grade F	0000000	00000
B	1/4	6 1/2"	1,000 psi @ 400° F	ASTM A53 Grade F	0000000	0000
B	1/4	6 1/2"	300 psi @ 400° F	ASTM A53 Grade F	0000000	0000
C	1/4	7 1/4"	1,000 psi @ 400° F	ASTM A53 Grade F	0000000	00000
C	1/4	7 1/4"	300 psi @ 400° F	ASTM A53 Grade F	0000000	00000

NPT Female × NPT Male Connections

Brass
Style	Pipe Sizes	Lg.	Max. Pressure	Specifications Met		Each
D	1/4 × 1/4	4"	1,000 psi @ 400° F	ASTM B43	0000000	000000
D	1/4 × 1/4	4"	240 psi @ 400° F	ASTM B43	0000000	00000
D	1/4 × 1/4	5 1/2"	1,000 psi @ 400° F	ASTM B43	0000000	00000
D	1/4 × 1/4	5 1/2"	240 psi @ 400° F	ASTM B43	0000000	00000

Gauge Guards

316 Stainless Steel Guard

316 Stainless Steel Guard With Drain Port

Also known as isolators or diaphragm seals, these protect gauges from corrosive process media. Fill guards with ISO Grade 32 hydraulic oil (not included) before use.

316 stainless steel guards provide excellent corrosion and chemical resistance and can handle higher temperatures and pressures than plastic guards.

Guards with drain port allow you to remove process media.

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

Pipe Connections
Inlet	Outlet	Gasket Material	For Use With	Min. Pressure, psi	Max. Pressure	Max. Temp., °F	Ht.		Each
316 Stainless Steel Body
1/4 NPT Female	1/4 NPT Female	316 Stainless Steel	Acetylene, Air, Ammonia, Argon, Bleach, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydrogen, Liquid Nitrogen, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Steam, Water	60	2,500 psi @ 72° F	300°	1 1/2"	0000000	0000000
1/2 NPT Female	1/4 NPT Female	316 Stainless Steel	Acetylene, Air, Ammonia, Argon, Bleach, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydrogen, Liquid Nitrogen, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Steam, Water	60	2,500 psi @ 72° F	300°	1 1/2"	0000000	000000
1/2 NPT Female	1/2 NPT Female	316 Stainless Steel	Acetylene, Air, Ammonia, Argon, Bleach, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydrogen, Liquid Nitrogen, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Steam, Water	60	2,500 psi @ 72° F	300°	1 1/2"	0000000	000000
316 Stainless Steel Body with 1/4 NPT Female Drain Port
1/4 NPT Female	1/4 NPT Female	316 Stainless Steel	Acetylene, Air, Ammonia, Argon, Bleach, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydrogen, Liquid Nitrogen, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Steam, Water	60	2,500 psi @ 72° F	300°	2"	0000000	000000
1/2 NPT Female	1/4 NPT Female	316 Stainless Steel	Acetylene, Air, Ammonia, Argon, Bleach, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydrogen, Liquid Nitrogen, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Steam, Water	60	2,500 psi @ 72° F	300°	2"	0000000	000000
1/2 NPT Female	1/2 NPT Female	316 Stainless Steel	Acetylene, Air, Ammonia, Argon, Bleach, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydrogen, Liquid Nitrogen, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Steam, Water	60	2,500 psi @ 72° F	300°	2"	0000000	000000

About Pressure Gauges

About Pipe Size

Steam Pressure Gauges

Low-Pressure Differential Gauges with U-Tube

Gauge Siphon Tubes

Gauge Guards