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DFARS Specialty Metals
About Pressure Gauges
Find a gauge with the right connection material and dial type—many with traceable calibration certificates.
Vibration-Resistant Pressure Gauges for Chemicals
304 Stainless Steel Case with 316 Stainless Steel Connection—Dual Scale (Pounds per Square Inch, Kilopascals)
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Bottom Connection |
Low-Pressure Gauges for Chemicals
304 Stainless Steel Case with 316 Stainless Steel Connection—Dual Scale (Pounds per Square Inch, Kilopascals)
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316 Stainless Steel Guard | Bottom Connection (316 Stainless Steel Guard) |
Temp. Range, ° F | Bottom Connection | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dial Dia. | Pipe Size | Environment | Process | For Use With | Accuracy | Guard Material | Choose a Pressure Range | Each | |||
Any-Angle Mount | |||||||||||
NPT Female | |||||||||||
| 2 1/2" | 1/4 | -40 to 140 | 0 to 210 | Air Ammonia Boric Acid Diesel Fuel Gasoline Hydraulic Fluid Natural Gas Sodium Hypochlorite (Bleach) Water | ±1.6% Full Scale (Not Rated) | 316 Stainless Steel | 0 to 15 psi/0 to 100 kPa, 0 to 30 psi/0 to 200 kPa, 0 to 60 psi/0 to 400 kPa, 0 to 100 psi/0 to 700 kPa, 0 to 160 psi/0 to 1,100 kPa | 3813K13 | 0000000 | ||
| 2 1/2" | 1/2 | -40 to 140 | 0 to 210 | Air Ammonia Boric Acid Diesel Fuel Gasoline Hydraulic Fluid Natural Gas Sodium Hypochlorite (Bleach) Water | ±1.6% Full Scale (Not Rated) | 316 Stainless Steel | 0 to 15 psi/0 to 100 kPa, 0 to 30 psi/0 to 200 kPa, 0 to 60 psi/0 to 400 kPa, 0 to 100 psi/0 to 700 kPa, 0 to 160 psi/0 to 1,100 kPa | 3813K14 | 000000 | ||
| 4" | 1/4 | -40 to 140 | 0 to 210 | Air Ammonia Boric Acid Diesel Fuel Gasoline Hydraulic Fluid Natural Gas Sodium Hypochlorite (Bleach) Water | ±1.6% Full Scale (Not Rated) | 316 Stainless Steel | 0 to 15 psi/0 to 100 kPa, 0 to 30 psi/0 to 200 kPa, 0 to 60 psi/0 to 400 kPa, 0 to 100 psi/0 to 700 kPa, 0 to 160 psi/0 to 1,100 kPa | 3813K11 | 000000 | ||
| 4" | 1/2 | -40 to 140 | 0 to 210 | Air Ammonia Boric Acid Diesel Fuel Gasoline Hydraulic Fluid Natural Gas Sodium Hypochlorite (Bleach) Water | ±1.6% Full Scale (Not Rated) | 316 Stainless Steel | 0 to 15 psi/0 to 100 kPa, 0 to 30 psi/0 to 200 kPa, 0 to 60 psi/0 to 400 kPa, 0 to 100 psi/0 to 700 kPa, 0 to 160 psi/0 to 1,100 kPa | 3813K12 | 000000 | ||
Painted Steel Case with PVC Connection—Dual Scale (Pounds per Square Inch, Kilograms per Square Centimeter)
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PVC Guard | Bottom Connection (PVC, CPVC, and Polypropylene Guards) |
Temp. Range, ° F | Bottom Connection | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dial Dia. | Pipe Size | Case Color | Environment | Process | For Use With | Accuracy | Guard Material | Guard Color | Choose a Pressure Range | Each | |||
NPT Female | |||||||||||||
| 2" | 1/4 | Black | 40 to 140 | 40 to 140 | Boric Acid Carbon Dioxide Hydraulic Fluid Salt Water Sodium Hypochlorite (Bleach) Water | ±2% Midscale (Grade B) | PVC | Gray | 0 to 30 psi/0 to 2.1 kg per cm², 0 to 60 psi/0 to 4.2 kg per cm², 0 to 150 psi/0 to 11.2 kg per cm² | 4091K23 | 0000000 | ||
| 2" | 1/2 | Black | 40 to 140 | 40 to 140 | Boric Acid Carbon Dioxide Hydraulic Fluid Salt Water Sodium Hypochlorite (Bleach) Water | ±2% Midscale (Grade B) | PVC | Gray | 0 to 30 psi/0 to 2.1 kg per cm², 0 to 60 psi/0 to 4.2 kg per cm², 0 to 150 psi/0 to 11.2 kg per cm² | 4091K24 | 000000 | ||
Painted Steel Case with CPVC Connection—Dual Scale (Pounds per Square Inch, Kilograms per Square Centimeter)
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CPVC Guard | Bottom Connection (PVC, CPVC, and Polypropylene Guards) |
Temp. Range, ° F | Bottom Connection | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dial Dia. | Pipe Size | Case Color | Environment | Process | For Use With | Accuracy | Guard Material | Guard Color | Choose a Pressure Range | Each | |||
NPT Female | |||||||||||||
| 2" | 1/4 | Black | 40 to 190 | 40 to 190 | Boric Acid Carbon Dioxide Hydraulic Fluid Salt Water Sodium Hypochlorite (Bleach) Water | ±2% Midscale (Grade B) | CPVC | Gray | 0 to 30 psi/0 to 2.1 kg per cm², 0 to 60 psi/0 to 4.2 kg per cm², 0 to 150 psi/0 to 11.2 kg per cm² | 4147K41 | 0000000 | ||
| 2" | 1/2 | Black | 40 to 190 | 40 to 190 | Boric Acid Carbon Dioxide Hydraulic Fluid Salt Water Sodium Hypochlorite (Bleach) Water | ±2% Midscale (Grade B) | CPVC | Gray | 0 to 30 psi/0 to 2.1 kg per cm², 0 to 60 psi/0 to 4.2 kg per cm², 0 to 150 psi/0 to 11.2 kg per cm² | 4147K42 | 000000 | ||
Painted Steel Case with Polypropylene Connection—Dual Scale (Pounds per Square Inch, Kilograms per Square Centimeter)
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Polypropylene Guard | Bottom Connection (PVC, CPVC, and Polypropylene Guards) |
Temp. Range, ° F | Bottom Connection | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dial Dia. | Pipe Size | Case Color | Environment | Process | For Use With | Accuracy | Guard Material | Guard Color | Choose a Pressure Range | Each | |||
NPT Female | |||||||||||||
| 2" | 1/4 | Black | 40 to 240 | 40 to 240 | Boric Acid Carbon Dioxide Hydraulic Fluid Salt Water Water | ±2% Midscale (Grade B) | Polypropylene | White | 0 to 30 psi/0 to 2.1 kg per cm², 0 to 60 psi/0 to 4.2 kg per cm², 0 to 150 psi/0 to 11.2 kg per cm² | 4134K23 | 0000000 | ||
Gauge Guards
316 Stainless Steel Body
Pipe Connections | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Inlet | Outlet | Gasket Material | For Use With | Min. Pressure, psi | Max. Pressure @ Temp. | Max. Temp., ° F | Ht. | Each | ||
| 1/4 NPT Female | 1/4 NPT Female | 316 Stainless Steel | Acetylene, Air, Ammonia, Argon, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydraulic Oil, Hydrogen, Liquid Nitrogen, Mineral Oil, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Sodium Hypochlorite (Bleach), Steam, Water | 60 | 2,500 psi @ 72° F | 300 | 1 3/4" | 3882K51 | 0000000 | |
| 1/2 NPT Female | 1/4 NPT Female | 316 Stainless Steel | Acetylene, Air, Ammonia, Argon, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydraulic Oil, Hydrogen, Liquid Nitrogen, Mineral Oil, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Sodium Hypochlorite (Bleach), Steam, Water | 60 | 2,500 psi @ 72° F | 300 | 1 3/4" | 3882K52 | 000000 | |
| 1/2 NPT Female | 1/2 NPT Female | 316 Stainless Steel | Acetylene, Air, Ammonia, Argon, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydraulic Oil, Hydrogen, Liquid Nitrogen, Mineral Oil, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Sodium Hypochlorite (Bleach), Steam, Water | 60 | 2,500 psi @ 72° F | 300 | 1 1/2" | 3882K53 | 000000 | |
316 Stainless Steel Body with 1/4 NPT Female Drain Port
Pipe Connections | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Inlet | Outlet | Gasket Material | For Use With | Min. Pressure, psi | Max. Pressure @ Temp. | Max. Temp., ° F | Ht. | Each | ||
| 1/4 NPT Female | 1/4 NPT Female | 316 Stainless Steel | Acetylene, Air, Ammonia, Argon, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydraulic Oil, Hydrogen, Liquid Nitrogen, Mineral Oil, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Sodium Hypochlorite (Bleach), Steam, Water | 60 | 2,500 psi @ 72° F | 300 | 2" | 3882K54 | 0000000 | |
| 1/2 NPT Female | 1/4 NPT Female | 316 Stainless Steel | Acetylene, Air, Ammonia, Argon, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydraulic Oil, Hydrogen, Liquid Nitrogen, Mineral Oil, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Sodium Hypochlorite (Bleach), Steam, Water | 60 | 2,500 psi @ 72° F | 300 | 2" | 3882K55 | 000000 | |
| 1/2 NPT Female | 1/2 NPT Female | 316 Stainless Steel | Acetylene, Air, Ammonia, Argon, Boric Acid, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Ethyl Alcohol, Gasoline, Hydraulic Fluid, Hydraulic Oil, Hydrogen, Liquid Nitrogen, Mineral Oil, Natural Gas, Nitrogen, Oxygen, Refrigerant, Salt Water, Sodium Hypochlorite (Bleach), Steam, Water | 60 | 2,500 psi @ 72° F | 300 | 2" | 3882K56 | 000000 | |
PVC Body
Pipe Connections | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Inlet | Outlet | Gasket Material | For Use With | Max. Pressure @ Temp. | Max. Temp., ° F | Ht. | Each | ||
| 1/4 NPT Female | 1/4 NPT Female | Fluoroelastomer | Boric Acid, Hydraulic Fluid, Salt Water, Sodium Hypochlorite (Bleach), Water | 150 psi @ 72° F | 140 | 2 3/4" | 4143K11 | 0000000 | |
| 1/2 NPT Female | 1/4 NPT Female | Fluoroelastomer | Boric Acid, Hydraulic Fluid, Salt Water, Sodium Hypochlorite (Bleach), Water | 150 psi @ 72° F | 140 | 2 3/4" | 4143K21 | 000000 | |
CPVC Body
Pipe Connections | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Inlet | Outlet | Gasket Material | For Use With | Max. Pressure @ Temp. | Max. Temp., ° F | Ht. | Each | ||
| 1/4 NPT Female | 1/4 NPT Female | Fluoroelastomer | Boric Acid, Hydraulic Fluid, Salt Water, Sodium Hypochlorite (Bleach), Water | 150 psi @ 72° F | 190 | 2 3/4" | 4334K31 | 0000000 | |
| 1/2 NPT Female | 1/4 NPT Female | Fluoroelastomer | Boric Acid, Hydraulic Fluid, Salt Water, Sodium Hypochlorite (Bleach), Water | 150 psi @ 72° F | 190 | 2 3/4" | 4334K41 | 000000 | |
Polypropylene Body
Pipe Connections | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Inlet | Outlet | Gasket Material | For Use With | Max. Pressure @ Temp. | Max. Temp., ° F | Ht. | Each | ||
| 1/4 NPT Female | 1/4 NPT Female | Fluoroelastomer | Boric Acid, Carbon Dioxide, Hydraulic Fluid, Salt Water, Sodium Hypochlorite (Bleach), Water | 150 psi @ 72° F | 240 | 2 3/4" | 4199K51 | 0000000 | |
PVDF Body
Pipe Connections | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Inlet | Outlet | Gasket Material | For Use With | Max. Pressure @ Temp. | Max. Temp., ° F | Ht. | Each | ||
| 1/2 NPT Female | 1/4 NPT Female | Fluoroelastomer | Boric Acid, Carbon Dioxide, Hydraulic Fluid, Salt Water, Sodium Hypochlorite (Bleach), Water | 150 psi @ 72° F | 300 | 2 3/4" | 4354K81 | 0000000 | |
High-Pressure Gauges for Chemicals
304 Stainless Steel Case with 316 Stainless Steel Connection—Dual Scale (Pounds per Square Inch, Kilopascals)
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Bottom Connection |
Temp. Range, ° F | Bottom Connection | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dial Dia. | Pipe Size | Environment | Process | For Use With | Accuracy | Guard Material | Choose a Pressure Range | Each | |||
Any-Angle Mount | |||||||||||
NPT Female | |||||||||||
| 2 1/2" | 1/4 | -40 to 140 | 0 to 210 | Air Ammonia Boric Acid Diesel Fuel Gasoline Hydraulic Fluid Natural Gas Sodium Hypochlorite (Bleach) Water | ±1.6% Full Scale (Not Rated) | 316 Stainless Steel | 0 to 200 psi/0 to 1,400 kPa, 0 to 300 psi/0 to 2,000 kPa, 0 to 400 psi/0 to 2,800 kPa, 0 to 600 psi/0 to 4,000 kPa, 0 to 1,000 psi/0 to 7,000 kPa, 0 to 2,000 psi/0 to 14,000 kPa | 3813K3 | 0000000 | ||
| 2 1/2" | 1/2 | -40 to 140 | 0 to 210 | Air Ammonia Boric Acid Diesel Fuel Gasoline Hydraulic Fluid Natural Gas Sodium Hypochlorite (Bleach) Water | ±1.6% Full Scale (Not Rated) | 316 Stainless Steel | 0 to 200 psi/0 to 1,400 kPa, 0 to 300 psi/0 to 2,000 kPa, 0 to 400 psi/0 to 2,800 kPa, 0 to 600 psi/0 to 4,000 kPa, 0 to 1,000 psi/0 to 7,000 kPa, 0 to 2,000 psi/0 to 14,000 kPa | 3813K4 | 000000 | ||
| 4" | 1/4 | -40 to 140 | 0 to 210 | Air Ammonia Boric Acid Diesel Fuel Gasoline Hydraulic Fluid Natural Gas Sodium Hypochlorite (Bleach) Water | ±1.6% Full Scale (Not Rated) | 316 Stainless Steel | 0 to 200 psi/0 to 1,400 kPa, 0 to 300 psi/0 to 2,000 kPa, 0 to 400 psi/0 to 2,800 kPa, 0 to 600 psi/0 to 4,000 kPa, 0 to 1,000 psi/0 to 7,000 kPa, 0 to 2,000 psi/0 to 14,000 kPa | 3813K1 | 000000 | ||
| 4" | 1/2 | -40 to 140 | 0 to 210 | Air Ammonia Boric Acid Diesel Fuel Gasoline Hydraulic Fluid Natural Gas Sodium Hypochlorite (Bleach) Water | ±1.6% Full Scale (Not Rated) | 316 Stainless Steel | 0 to 200 psi/0 to 1,400 kPa, 0 to 300 psi/0 to 2,000 kPa, 0 to 400 psi/0 to 2,800 kPa, 0 to 600 psi/0 to 4,000 kPa, 0 to 1,000 psi/0 to 7,000 kPa, 0 to 2,000 psi/0 to 14,000 kPa | 3813K2 | 000000 | ||
Sanitary Gauge Guards
316 Stainless Steel Body
Outlet Quick-Clamp Tube Connection | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Inlet Pipe Connection | For Tube OD | Flange OD | Gasket Material | For Use With | Min. Pressure, psi | Max. Pressure @ Temp. | Max. Temp. | Ht. | Interior Smoothness, Ra | Each | ||
| 1/4 NPT Female | 1 1/2" | 1.984" | 316 Stainless Steel | Acetylene, Air, Ammonia, Beverage, Boric Acid, Carbon Dioxide, Diesel Fuel, Ethanol, Food, Gasoline, Hydraulic Fluid, Hydrogen, Oxygen, Pharmaceuticals, Wastewater, Water | 30 | Not Rated | Not Rated | 1 3/8" | 32 | 6363N11 | 0000000 | |
| 1/4 NPT Female | 2" | 2.516" | 316 Stainless Steel | Acetylene, Air, Ammonia, Beverage, Boric Acid, Carbon Dioxide, Diesel Fuel, Ethanol, Food, Gasoline, Hydraulic Fluid, Hydrogen, Oxygen, Pharmaceuticals, Wastewater, Water | 30 | Not Rated | Not Rated | 1 1/8" | 32 | 6363N12 | 000000 | |
| 1/2 NPT Female | 1 1/2" | 1.984" | 316 Stainless Steel | Acetylene, Air, Ammonia, Beverage, Boric Acid, Carbon Dioxide, Diesel Fuel, Ethanol, Food, Gasoline, Hydraulic Fluid, Hydrogen, Oxygen, Pharmaceuticals, Wastewater, Water | 30 | Not Rated | Not Rated | 1 3/8" | 32 | 6363N13 | 000000 | |






































