Pressure Gauges for Steam

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98 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.

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

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	00000
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"	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	000000
B	1/4	6 1/2"	450 psi @ 750° F	ASTM A312	0000000	00000
B	1/2	10"	730 psi @ 800° F	ASTM A312	0000000	000000
C	1/4	7 1/4"	450 psi @ 750° F	ASTM A312	0000000	00000
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	00000
A	1/4	5 1/2"	300 psi @ 400° F	ASTM A53 Grade F	0000000	00000
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	00000
B	1/4	6 1/2"	300 psi @ 400° F	ASTM A53 Grade F	0000000	00000
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

High-Accuracy Pressure-Regulating Valves for Steam

For Use With: Steam
Temperature Range: 40° to 450° F

Control steam line pressure with ±1 psi accuracy. These valves automatically reduce a high, variable inlet pressure to a lower, stable outlet pressure. Adjust the outlet pressure within the range. Valves have a cast iron body that absorbs vibration from pressure changes to reduce wear and noise in your pipeline. They meet ANSI/FCI 70-2 Class IV for tight shut-off (max. leakage rate of 0.01%). Install 1/4 NPT male pipe (not included) between the control valve and your downstream steam line.

Repair kits (sold separately) include replacement seals, diaphragm, spring, and spring assembly.

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

Valves
Inlet			Outlet					Repair Kits
Pipe Size	Location	Max. Pressure, psi	Pipe Size	Location	Choose an Outlet Pressure Range, psi		Each		Each
NPT Female
Cast Iron Body—301 Stainless Steel Diaphragm and 420 Stainless Steel Seal
1/2	Side	250	1/2	Side	3 to 20, 5 to 50, 10 to 100, 20 to 150	0000000	000000000	0000000	0000000
3/4	Side	250	3/4	Side	3 to 20, 5 to 50, 10 to 100, 20 to 150	0000000	00000000	0000000	000000
1	Side	250	1	Side	3 to 20, 5 to 50, 10 to 100, 20 to 150	0000000	00000000	0000000	000000
1 1/4	Side	250	1 1/4	Side	3 to 20, 5 to 50, 10 to 100, 20 to 150	0000000	00000000	0000000	000000
1 1/2	Side	250	1 1/2	Side	3 to 20, 5 to 50, 10 to 100, 20 to 150	0000000	00000000	0000000	000000
2	Side	250	2	Side	3 to 20, 5 to 50, 10 to 100, 20 to 150	0000000	00000000	0000000	00000000

Pressure-Regulating Valves for Steam

For Use With: Steam
Temperature Range: -20° to 400° F

Automatically reduce a high, variable inlet pressure in your steam system to a lower, stable outlet pressure. Adjust the outlet pressure within the range. These valves have a cast iron body that absorbs vibration from pressure changes to reduce wear and noise in your pipeline.

Internal strainers trap debris.

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

Valves
Inlet			Outlet						Repair Kits
Pipe Size	Location	Max. Pressure, psi	Pipe Size	Location	End-to-End Lg.	Choose an Outlet Pressure Range, psi		Each		Each
NPT Female
Cast Iron Body—Bronze Diaphragm and 420 Stainless Steel Seal
1/2	Side	250	1/2	Side	3 5/8"	0 to 10, 10 to 50, 40 to 100, 100 to 200	0000000	0000000	0000000	000000
3/4	Side	250	3/4	Side	3 5/8"	0 to 10, 10 to 50, 40 to 100, 100 to 200	0000000	000000	0000000	00000
1	Side	250	1	Side	4 1/2"	0 to 10, 10 to 30, 30 to 50, 40 to 85	0000000	000000	0000000	000000
1 1/4	Side	250	1 1/4	Side	4 1/2"	0 to 10, 10 to 30, 30 to 50, 40 to 85	0000000	000000	0000000	000000
1 1/2	Side	250	1 1/2	Side	6 1/2"	0 to 10, 10 to 30, 30 to 50, 40 to 85	0000000	000000	0000000	000000
2	Side	250	2	Side	6 1/2"	0 to 10, 10 to 30, 30 to 50, 40 to 85	0000000	000000	0000000	000000
Cast Iron Body—Bronze Diaphragm and PTFE Seal with Internal Strainer
1/4	Side	150	1/4	Side	3"	2 to 25, 20 to 60, 30 to 100	0000000	000000	000000	00
3/8	Side	150	3/8	Side	3 7/8"	2 to 30, 20 to 70, 40 to 110, 90 to 150	0000000	000000	000000	00
1/2	Side	150	1/2	Side	4 1/2"	2 to 30, 10 to 50, 30 to 125, 50 to 150	0000000	000000	0000000	000000
3/4	Side	150	3/4	Side	5 1/8"	2 to 20, 10 to 35, 30 to 75, 50 to 110, 105 to 150	0000000	000000	0000000	000000
1	Side	150	1	Side	5 7/8"	2 to 20, 10 to 45, 20 to 60, 55 to 100, 90 to 150	0000000	000000	0000000	000000
1 1/4	Side	150	1 1/4	Side	6 3/4"	2 to 15, 10 to 30, 20 to 50, 45 to 100, 90 to 150	0000000	000000	0000000	000000
1 1/2	Side	150	1 1/2	Side	6 3/4"	2 to 15, 10 to 30, 20 to 50, 45 to 100, 90 to 150	0000000	000000	0000000	000000
2	Side	150	2	Side	9 1/4"	2 to 20, 10 to 60, 20 to 100, 90 to 150	0000000	00000000	0000000	000000

Extended-Life Pressure-Regulating Valves for Steam

For Use With: Steam
Temperature Range: -20° to 400° F

For a longer service life than cast iron valves, these have a durable bronze body. All automatically reduce a high, variable inlet pressure to a lower, stable outlet pressure. Adjust the outlet pressure within the range. Valves have an internal strainer to trap debris.

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

Inlet			Outlet
Pipe Size	Location	Max. Pressure, psi	Pipe Size	Location	End-to-End Lg.	Choose an Outlet Pressure Range, psi		Each
NPT Female
Bronze Body—Bronze Diaphragm and PTFE Seal
1/4	Side	250	1/4	Side	3"	2 to 25, 20 to 60	00000000	0000000
3/8	Side	250	3/8	Side	3 7/8"	2 to 30, 20 to 70, 40 to 110, 90 to 150	00000000	000000
1/2	Side	250	1/2	Side	4 1/2"	10 to 50, 2 to 30, 30 to 125, 50 to 150	00000000	000000
3/4	Side	250	3/4	Side	5 1/8"	10 to 35, 105 to 150, 2 to 20, 30 to 75, 50 to 110	00000000	000000
1	Side	250	1	Side	5 7/8"	10 to 45, 2 to 20, 20 to 60, 55 to 100, 90 to 150	00000000	000000
1 1/4	Side	250	1 1/4	Side	6 3/4"	10 to 30, 2 to 15, 20 to 50, 45 to 100, 90 to 150	00000000	00000000
1 1/2	Side	250	1 1/2	Side	6 3/4"	10 to 30, 2 to 15, 20 to 50, 45 to 100, 90 to 150	00000000	00000000
2	Side	250	2	Side	9 1/4"	10 to 60, 2 to 20, 20 to 100, 90 to 150	00000000	00000000

Corrosion-Resistant Pressure-Regulating Valves for Steam

For Use With: Steam
Temperature Range: -40° to 450° F

Regulate steam pressure in wet environments and harsh conditions with these valves that have a 316 stainless steel body for exceptional corrosion resistance. They automatically reduce a high, variable inlet pressure to a lower, stable outlet pressure. Adjust the outlet pressure within the range.

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

Inlet			Outlet
Pipe Size	Location	Max. Pressure, psi	Pipe Size	Location	End-to-End Lg.	Choose an Outlet Pressure Range, psi		Each
NPT Female
316 Stainless Steel Body—316 Stainless Steel Diaphragm and PTFE Seal
1/2	Side	400	1/2	Side	4 1/2"	2 to 30, 10 to 50, 30 to 125, 50 to 150	0000000	000000000
3/4	Side	400	3/4	Side	5 1/8"	2 to 20, 10 to 35, 30 to 75, 50 to 110, 105 to 150	0000000	00000000
1	Side	400	1	Side	5 7/8"	2 to 20, 10 to 45, 20 to 60, 55 to 100, 90 to 150	0000000	00000000

Email Us

About Pressure Gauges

About Pipe Size

Steam Pressure Gauges

Low-Pressure Differential Gauges with U-Tube

Gauge Siphon Tubes

Gauge Guards

High-Accuracy Pressure-Regulating Valves for Steam

Pressure-Regulating Valves for Steam

Extended-Life Pressure-Regulating Valves for Steam

Corrosion-Resistant Pressure-Regulating Valves for Steam