About Pressure-Relief Valves
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About Air Compressors
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Portable Air Compressors

Compressors turn on when the tank falls to the actuation pressure and they turn off when the tank reaches the maximum pressure.
Pressure, psi | Overall | Outlet | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Max. | Actuation | Max. Flow Rate @ psi | hp | Full Load Current, A | Tank Cap., gal. | Volume, dBA | Lg. | Wd. | Ht. | Pipe Size | Thread Type | Gender | Compressor Oil Type | Weight, lbs. | Each | |
Double Tank with Flat-Free Wheel | ||||||||||||||||
Single Phase, 120V AC | ||||||||||||||||
135 | 95 | 4.9 cfm @ 135 5.7 cfm @ 90 | 2 | 15 | 8 | 78 | 43" | 18" | 25" | 3/8 | NPT | Female | 10W-40W | 175 | 0000000 | 000000000 |
Single Phase, 230V AC | ||||||||||||||||
135 | 95 | 10.3 cfm @ 135 11.3 cfm @ 90 | 3 | 15 | 8 | 78 | 43" | 18" | 25" | 3/8 | NPT | Female | 10W-40W | 175 | 0000000 | 00000000 |
Electric Air Compressors


From lifting heavy objects to mixing large vats, these compressors power the equipment that keeps your production line going. They use pistons to compress air in two stages to generate higher pressures and flow rates than single-stage compressors. This two-step process—compressing air, cooling it, and compressing it again—prevents heat and reduces wear, so you can run them continuously.
When choosing a tank size, keep in mind a larger tank capacity means you won't have to run them continuously, which extends their life. These compressors turn on when tank pressure drops to the actuation point and shut off when it reaches maximum pressure.
If you plan to run them continuously, use SAE 20 synthetic oil (sold separately) to maintain performance and efficiency.
Air Compressors | |||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pressure, psi | Outlet (Female) | Overall | Oil | Replacement Filter Elements | Replacement Drive Belts | ||||||||||||||||
Max. | Actuation | Max. Flow Rate @ psi | Mounting Orientation | Tank Cap., gal. | hp | Full Load Current, A | Volume, dBA | Pipe Size | Thread Type | Lg. | Wd. | Ht. | Each | Container Size | Each | Each | Each | ||||
Single Phase, 230V AC | |||||||||||||||||||||
175 | 135 | 14.3 cfm @ 90 | Vertical | 60 | 5 | 22.5 | 85 | 1/2 | NPT | 33" | 24" | 69" | 000000000 | 000000000 | 0.5 L | 0000000 | 000000 | 0000000 | 000000 | 000000 | 00 |
175 | 135 | 14.4 cfm @ 90 | Vertical | 80 | 5 | 22.5 | 85 | 1/2 | NPT | 37" | 28" | 69" | 000000000 | 00000000 | 0.5 L | 0000000 | 00000 | 0000000 | 00000 | 000000 | 00 |
175 | 135 | 17.4 cfm @ 175 18 cfm @ 100 | Vertical | 80 | 5 | 22 | 74 | 3/4 | NPT | 35" | 28" | 77" | 0000000 | 00000000 | 1 qt. | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
175 | 135 | 23.6 cfm @ 175 24.3 cfm @ 100 | Vertical | 80 | 7 1/2 | 28.6 | 79 | 3/4 | NPT | 35" | 28" | 77" | 0000000 | 00000000 | 1 qt. | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
Three Phase, 230V AC | |||||||||||||||||||||
175 | 135 | 14.3 cfm @ 90 | Vertical | 60 | 5 | 15.2 | 85 | 1/2 | NPT | 33" | 24" | 69" | 000000000 | 00000000 | 0.5 L | 0000000 | 00000 | 0000000 | 00000 | 000000 | 00 |
175 | 135 | 14.4 cfm @ 90 | Vertical | 80 | 5 | 15.2 | 85 | 1/2 | NPT | 37" | 28" | 69" | 000000000 | 00000000 | 0.5 L | 0000000 | 00000 | 0000000 | 00000 | 000000 | 00 |
175 | 135 | 17.4 cfm @ 175 18 cfm @ 100 | Vertical | 80 | 5 | 13.2 | 74 | 3/4 | NPT | 35" | 28" | 77" | 00000000 | 00000000 | 1 qt. | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
175 | 135 | 23.6 cfm @ 175 24.3 cfm @ 100 | Vertical | 80 | 7 1/2 | 19.6 | 79 | 3/4 | NPT | 35" | 28" | 77" | 00000000 | 00000000 | 1 qt. | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
175 | 135 | 36 cfm @ 175 36.9 cfm @ 100 | Horizontal | 120 | 10 | 25 | 80 | 1 | NPT | 71" | 30" | 55" | 0000000 | 00000000 | 1 qt. | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
Three Phase, 460V AC | |||||||||||||||||||||
175 | 135 | 14.3 cfm @ 90 | Vertical | 60 | 5 | 7.6 | 85 | 1/2 | NPT | 33" | 24" | 69" | 000000000 | 00000000 | 0.5 L | 0000000 | 00000 | 0000000 | 00000 | 000000 | 00 |
175 | 135 | 14.4 cfm @ 90 | Vertical | 80 | 5 | 7.6 | 85 | 1/2 | NPT | 37" | 28" | 69" | 000000000 | 00000000 | 0.5 L | 0000000 | 00000 | 0000000 | 00000 | 000000 | 00 |
175 | 135 | 17.4 cfm @ 175 18 cfm @ 100 | Vertical | 80 | 5 | 6.6 | 74 | 3/4 | NPT | 35" | 28" | 77" | 00000000 | 00000000 | 1 qt. | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
175 | 135 | 17.4 cfm @ 175 18 cfm @ 100 | Horizontal | 80 | 5 | 6.6 | 74 | 3/4 | NPT | 67" | 30" | 49" | 0000000 | 00000000 | 1 qt. | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
175 | 135 | 23.6 cfm @ 175 24.3 cfm @ 100 | Vertical | 80 | 7 1/2 | 11 | 79 | 3/4 | NPT | 35" | 28" | 77" | 00000000 | 00000000 | 1 qt. | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
175 | 135 | 36 cfm @ 175 36.9 cfm @ 100 | Horizontal | 120 | 10 | 12.5 | 80 | 1 | NPT | 71" | 30" | 55" | 0000000 | 00000000 | 1 qt. | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
High-Flow Low-Pressure Compressed Air Blowers
Also known as regenerative blowers, use these to produce high-flow compressed air with low pressure or vacuum to operate pump drives, lift tables, and conveying systems. Compressed air blowers are also used for drying, exhausting, and aeration.
Air circulates inside the blower housing to compress air, which generates pressure or vacuum. Single-stage blowers circulate air once and then exhaust.
Inverter-rated blowers have a motor that can run at slow speeds without overheating, so they can be used with a motor speed control (variable frequency drive).

Blowers | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Overall | Pipe Size | Air-Intake Filters | Relief Valves | ||||||||||||||
Maximum Pressure | Max. Flow Rate @ psi | Vacuum Rating | hp | Full Load Current | Vol. | Lg. | Wd. | Ht. | Temp. Range, °F | Inlet | Outlet | Each | Each | Each | |||
Three Phase, 208/230/460V AC (Inverter Rated) | |||||||||||||||||
NPT Female Inlet and Outlet | |||||||||||||||||
4 psi 105 in. of H₂O | 207 cfm @ 0 | 6.5 in. of Hg 88 in. of H₂O | 5 | 13.0 A @ 208 V AC 12.0 A @ 230 V AC 6.0 A @ 460 V AC | 72 dBA | 19" | 15" | 15" | 32° to 100° | 2 | 2 | 0000000 | 000000000 | 00000000 | 0000000 | 00000000 | 0000000 |
4 psi 110 in. of H₂O | 265 cfm @ 0 | 6.6 in. of Hg 90 in. of H₂O | 6 | 16.0 A @ 208 V AC 15.0 A @ 230 V AC 7.5 A @ 460 V AC | 79 dBA | 17" | 17" | 18" | 32° to 100° | 2 | 2 | 0000000 | 00000000 | 00000000 | 000000 | 00000000 | 000000 |
5 psi 125 in. of H₂O | 420 cfm @ 0 | 8.1 in. of Hg 110 in. of H₂O | 10 | 35.0 A @ 208 V AC 29.5 A @ 230 V AC 15.0 A @ 460 V AC | 78 dBA | 22" | 18" | 20" | 32° to 100° | 2 1/2 | 2 1/2 | 0000000 | 00000000 | 00000000 | 000000 | 00000000 | 000000 |
Three Phase, 230/460V AC (Inverter Rated) | |||||||||||||||||
NPT Female Inlet and Outlet | |||||||||||||||||
4 psi 105 in. of H₂O | 795 cfm @ 0 | 7.0 in. of Hg 95 in. of H₂O | 18 | 52.0 A @ 230 V AC 26.0 A @ 460 V AC | 79 dBA | 29" | 18" | 20" | 32° to 100° | 2 1/2 | 4 | 0000000 | 00000000 | 00000000 | 000000 | 00000000 | 00000000 |
Fire Sprinkler Electric Air Compressors
Maintain air pressure in your sprinkler system. These piston air compressors turn on when their tank pressure drops to the actuation point, then turn off when it reaches the maximum. They are UL and C-UL listed, as well as CSA and CSA-US certified, so they meet U.S. and Canadian safety standards.




Air Compressors | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pressure, psi | Outlet | Overall | Replacement Drive Belts | |||||||||||||
Max. | Actuation | Max. Flow Rate @ psi | hp | Full Load Current, A | Tank Cap., gal. | Vol., dB | Pipe Size | Thread Type | Gender | Lg. | Wd. | Ht. | Each | Each | ||
Single Phase, 115V AC/230V AC | ||||||||||||||||
40 | 30 | 7.4 cfm @ 40 | 1 | 12.5 | 30 | 77 | 1/2 | NPT | Female | 39" | 16 1/2" | 34 1/4" | 00000000 | 000000000 | 00000000 | 000000 |
40 | 30 | 10.9 cfm @ 40 | 1 1/2 | 15.8 | 30 | 77 | 1/2 | NPT | Female | 39" | 16 1/2" | 34 1/4" | 00000000 | 00000000 | 00000000 | 00000 |
40 | 30 | 12.4 cfm @ 40 | 2 | 21.6 | 30 | 77 | 1/2 | NPT | Female | 39" | 16 1/2" | 34 1/4" | 00000000 | 00000000 | 00000000 | 00000 |
Light Duty Electric Air Compressors

Pressurize air to power drills, wrenches, and grinders. Because they’re single-stage, these compressors are best for infrequent use. They turn on when tank pressure drops to the actuation point and shut off when it reaches maximum pressure. Hardwire them to your power source. Choose a compressor with a tank size that matches your application. The larger the tank, the more tools it can power. A greater reserve of air means the compressor can run less often, which keeps it cool and improves energy efficiency for a longer life.
Compressors for intermittent duty require a cooling period between uses so they don’t overheat.
Compressors for continuous duty can run without a cooling period. They’re designed for applications that require a constant supply of compressed air.
Note: Pair air compressors with the listed oil (sold separately) to extend their service life.
Air Compressors | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pressure, psi | Outlet (Female) | Overall | Oil | Replacement Filter Elements | ||||||||||||||||
Max. | Actuation | Max. Flow Rate @ psi | Tank Cap., gal. | hp | Full Load Current, A | Volume, dBA | Pipe Size | Thread Type | Lg. | Wd. | Ht. | Mounting Orientation | Specifications Met | Each | Container Size | Each | Each | |||
Intermittent Duty Cycle (4.5 Minutes On, 5.5 Minutes Off) | ||||||||||||||||||||
Single Phase, 115V AC | ||||||||||||||||||||
125 | 90 | 9.8 cfm @ 125 | 30 | 1 1/2 | 15 | 77 | 1/2 | NPT | 28" | 17 1/2" | 59" | Vertical | UL Listed, ASME BPVC.VIII, CSA Certified | 0000000 | 000000000 | 1 qt. | 00000000 | 000000 | 00000000 | 000000 |
125 | 90 | 9.8 cfm @ 125 | 60 | 1 1/2 | 15 | 77 | 1/2 | NPT | 25" | 20" | 66" | Vertical | UL Listed, ASME BPVC.VIII, CSA Certified | 0000000 | 00000000 | 1 qt. | 00000000 | 00000 | 00000000 | 00000 |
125 | 90 | 13.1 cfm @ 125 | 30 | 2 | 20.4 | 77 | 1/2 | NPT | 28" | 17 1/2" | 59" | Vertical | UL Listed, ASME BPVC.VIII, CSA Certified | 0000000 | 00000000 | 1 qt. | 00000000 | 00000 | 00000000 | 00000 |
125 | 90 | 13.1 cfm @ 125 | 60 | 2 | 20.4 | 77 | 1/2 | NPT | 25" | 20" | 66" | Vertical | UL Listed, ASME BPVC.VIII, CSA Certified | 0000000 | 00000000 | 1 qt. | 00000000 | 00000 | 00000000 | 00000 |
Continuous Duty Cycle | ||||||||||||||||||||
Single Phase, 230V AC | ||||||||||||||||||||
135 | 105 | 11.3 cfm @ 90 | 60 | 3 | 14.7 | 85 | 1/2 | NPT | 25" | 24" | 67" | Vertical | CSA Certified | 0000000 | 00000000 | 0.5 L | 0000000 | 00000 | 0000000 | 00000 |
135 | 105 | 18.1 cfm @ 90 | 60 | 5 | 21.5 | 85 | 1/2 | NPT | 30" | 24" | 73" | Vertical | CSA Certified | 0000000 | 00000000 | 0.5 L | 0000000 | 00000 | 0000000 | 00000 |
Low-Noise Electric Air Compressors

As quiet as an idling forklift, these rotary screw compressors make less noise than traditional piston compressors but deliver the same power. They turn on when tank pressure drops to the actuation point and off when it reaches the maximum. Use them for manufacturing, processing, and packaging jobs where steady output matters—you can run them continuously. If you plan to run them continuously, use SAE 20 synthetic oil (sold separately) to maintain performance and efficiency.
Air Compressors | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pressure, psi | Outlet (Female) | Overall | Oil | Replacement Filter Elements | |||||||||||||||
Max. | Actuation | Max. Flow Rate @ psi | hp | Full Load Current | Tank Cap., gal. | Volume, dBA | Pipe Size | Thread Type | Lg. | Wd. | Ht. | Mounting Orientation | Each | Container Size, gal. | Each | Each | |||
Single Phase, 230V AC | |||||||||||||||||||
138 | 115 | 16.7 cfm @ 138 | 5 | 30 A @ 230 V AC | 60 | 62 | 1/2 | NPT | 58" | 26" | 50" | Horizontal | 0000000 | 000000000 | 1 | 0000000 | 0000000 | 0000000 | 000000 |
138 | 115 | 25.2 cfm @ 138 | 7 1/2 | 35 A @ 230 V AC | 60 | 64 | 1/2 | NPT | 58" | 26" | 50" | Horizontal | 0000000 | 00000000 | 1 | 0000000 | 000000 | 0000000 | 00000 |
Three Phase, 208/230/460V AC | |||||||||||||||||||
138 | 115 | 16.8 cfm @ 138 | 5 | 19 A @ 208 V AC 17 A @ 230 V AC 8.5 A @ 460 V AC | 60 | 62 | 1/2 | NPT | 58" | 26" | 50" | Horizontal | 0000000 | 00000000 | 1 | 0000000 | 000000 | 0000000 | 00000 |
138 | 115 | 25.2 cfm @ 138 | 7 1/2 | 26 A @ 208 V AC 23.5 A @ 230 V AC 12 A @ 460 V AC | 60 | 64 | 1/2 | NPT | 58" | 26" | 50" | Horizontal | 0000000 | 00000000 | 1 | 0000000 | 000000 | 0000000 | 00000 |
Economy Electric Air Compressors
Designed with occasional use in mind. These two-stage compressors deliver the same high pressures and flow rates as standard models, but their undersized motor must work twice as hard. They run hotter, louder, and are less durable than more expensive two-stage compressors.
These air compressors turn on when tank pressure drops to the activation point and shut off when it reaches maximum pressure. They can run continuously without needing a cooling period. Use SAE 30 synthetic oil (sold separately) to maintain performance and efficiency.

Air Compressors | |||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pressure, psi | Outlet (Female) | Overall | Oil | Replacement Filter Elements | |||||||||||||||||
Max. | Actuation | Max. Flow Rate @ psi | hp | Full Load Current, A | Tank Cap., gal. | Volume, dB | Pipe Size | Thread Type | Lg. | Wd. | Ht. | Mounting Orientation | Includes | Specifications Met | Each | Container Size, qt. | Each | Each | |||
Single Phase, 230V AC | |||||||||||||||||||||
175 | 145 | 15.4 cfm @ 100 | 5 | 24 | 60 | 80 | 1/2 | NPT | 31" | 23" | 70" | Vertical | Lubricant, Tank Pressure Gauge | ASME BPVC.VIII, C-UL Listed, UL Listed | 0000000 | 000000000 | 1 | 0000000 | 000000 | 0000000 | 000000 |
Electric Air Compressors with Aftercooler

Power equipment with built-in moisture control—these air compressors have a built-in aftercooler that cools down air leaving the compressor to remove condensation. This helps relieve the strain on your separator and dryer down the line. These compressors are useful for air-powered tools, where corrosion can clog air lines, and for control systems, where moisture can disrupt signals.
These compressors use pistons to pressurize air in two stages—compressing air, cooling it, and then compressing it again. This two-step process reduces wear, limits heat buildup, and improves overall efficiency. The integrated aftercooler cools the air as it exits the compressor, condensing any remaining moisture so it can be drained before it causes an issue. The automatic drain clears the condensate from the tank to keep everything running smoothly—especially important in high-moisture lines.
These compressors turn on when tank pressure drops to the actuation point and shut off when it reaches maximum pressure. They can run continuously without a cooling period. If you plan to run them continuously, use SAE 30 synthetic oil (sold separately) to maintain performance and efficiency.
Air Compressors | ||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pressure, psi | Outlet (Female) | Overall | Oil | Replacement Filter Elements | Replacement Drive Belts | |||||||||||||||||
Max. | Actuation | Max. Flow Rate @ psi | hp | Full Load Current, A | Tank Cap., gal. | Volume, dBA | Pipe Size | Thread Type | Lg. | Wd. | Ht. | Mounting Orientation | Includes | Each | Container Size, qt. | Each | Each | Each | ||||
Single Phase, 230V AC | ||||||||||||||||||||||
175 | 135 | 23.6 cfm @ 175 24.3 cfm @ 100 | 7 1/2 | 28.6 | 80 | 78 | 3/4 | NPT | 35" | 28" | 77" | Vertical | Aftercooler, Lubricant, Shutdown Switch, Tank Pressure Gauge | 00000000 | 000000000 | 1 | 0000000 | 000000 | 0000000 | 000000 | 0000000 | 000000 |
Three Phase, 230V AC | ||||||||||||||||||||||
175 | 135 | 23.6 cfm @ 175 24.3 cfm @ 100 | 7 1/2 | 19.6 | 80 | 78 | 3/4 | NPT | 35" | 28" | 77" | Vertical | Aftercooler, Lubricant, Shutdown Switch, Tank Pressure Gauge | 00000000 | 00000000 | 1 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
Three Phase, 460V AC | ||||||||||||||||||||||
175 | 135 | 23.6 cfm @ 175 24.3 cfm @ 100 | 7 1/2 | 9.8 | 80 | 78 | 3/4 | NPT | 35" | 28" | 77" | Vertical | Aftercooler, Lubricant, Shutdown Switch, Tank Pressure Gauge | 00000000 | 00000000 | 1 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
Gasoline-Powered Air Compressors

Mount these air compressors on your truck for compressed air where electrical power isn’t available. They're great for powering large equipment out in the field, such as lifts used to move heavy objects. Their engine is manufactured to tight tolerances, so it’s generally quieter, lasts longer, and requires less maintenance than other engines.
These air compressors use pistons to compress air in two stages, which generates higher pressures and flow rates than single-stage compressors. This two-step process—compressing air, cooling it, and compressing it again—prevents heat buildup and reduces wear. They turn on when tank pressure drops to the actuation point and shut off when it reaches maximum pressure.
Compressors require SAE 30 synthetic oil (sold separately) to maintain their performance and efficiency.
Air Compressors | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pressure, psi | Outlet | Overall | Oil | |||||||||||||||
Max. | Actuation | Max. Flow Rate @ psi | hp | Tank Cap., gal. | Volume, dBA | Pipe Size | Thread Type | Gender | Lg. | Wd. | Ht. | Mounting Orientation | Cannot Be Sold To | Each | Container Size | Each | ||
Continuous Duty Cycle | ||||||||||||||||||
175 | 100 | 23 cfm @ 175 24 cfm @ 100 | 13 | 30 | 92 | 1/2 | NPT | Female | 42" | 24" | 44" | Horizontal | Canada | 00000000 | 000000000 | 1 qt. | 0000000 | 000000 |
Air Hose with Twist-Claw and Threaded Fittings

- Temperature Range: -40 to 200° F
- Material: EPDM Rubber
- Color: Black or Red
Hose is made of EPDM rubber, which is the most common material for air applications. The twist-claw fitting is also known as a universal hose coupling and is interchangeable with another regardless of hose size.
For any combination of hose length and fittings not listed in the table, please select 5138K999. Specify hose color (red or black) and length, and fitting type, material, and size on both ends.
Air Hose with Twist-Claw Fittings

- Temperature Range: -40° to 200° F
- Material: EPDM Rubber
- Color: Black or Red
Hose is made of EPDM rubber, which is the most common material for air applications. The fittings are also known as universal hose couplings and are interchangeable with each other regardless of hose size.
For any combination of hose length and fittings not listed in the table, please select 5138K999. Specify hose color (red or black) and length, and fitting type, material, and size on both ends.
Large-Diameter Remote-Discharge ASME-Code
Fast-Acting Pressure-Relief Valves for Air and Inert Gas

- For Use With: Air, Inert Gas
- Specifications Met: ASME BPVC.VIII
- Temperature Range: -20° to 406° F
These valves meet ASME Code Section VIII for use with air and inert gas pressure vessels. Commonly used with high-volume blowers, compressors, and air-powered conveyors, they quickly relieve a large amount of air in systems with a pipe size of 2 or greater. They spring fully open at the set pressure and remain open until the system pressure is restored below the set pressure. Attach a drain line to the threaded relief port for remote discharge. Valves have a cast iron body to absorb vibration for reduced noise and wear in your pipeline.
Inlet | Relief Port | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Location | Maximum Pressure, psi | Pipe Size | Location | Overall Ht. | Test Mechanism | Valve Type | Choose a Set Pressure, psi | Each | |
NPT Male Inlet and NPT Female Relief Port | ||||||||||
Cast Iron Body—Bronze Seal | ||||||||||
2 | Bottom | 60 | 2 | Side | 7" | T-Handle | Pop Safety | 0000000 | 0000000 | |
2 1/2 | Bottom | 60 | 2 1/2 | Side | 8" | T-Handle | Pop Safety | 0000000 | 000000 | |
3 | Bottom | 60 | 3 | Side | 9" | T-Handle | Pop Safety | 0000000 | 00000000 |
Large-Diameter Remote-Discharge Fast-Acting
Pressure-Relief Valves for Air and Inert Gas

- For Use With: Air, Inert Gas
- Temperature Range: -20° to 406° F
Commonly used with high-volume blowers, compressors, and air-powered conveyors, these valves quickly relieve a large amount of air in systems with a pipe size of 2 or greater. They spring fully open at the set pressure and remain open until the system pressure is restored below the set pressure. Attach a drain line to the threaded relief port for remote discharge. Valves have a cast iron body to absorb vibration for reduced noise and wear in your pipeline.
Inlet | Relief Port | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Location | Maximum Pressure, psi | Pipe Size | Location | Temperature Range, ° F | Overall Ht. | Test Mechanism | Valve Type | Choose a Set Pressure, psi | Each | |
NPT Male Inlet and NPT Female Relief Port | |||||||||||
Cast Iron Body—Bronze Seal | |||||||||||
2 | Bottom | 60 | 2 | Side | -20° to 406° | 7" | T-Handle | Pop Safety | 0000000 | 0000000 | |
2 1/2 | Bottom | 60 | 2 1/2 | Side | -20° to 406° | 8" | T-Handle | Pop Safety | 0000000 | 000000 | |
3 | Bottom | 60 | 3 | Side | -20° to 406° | 9" | T-Handle | Pop Safety | 0000000 | 00000000 |