9 best compressed air drains

Compressed air drains are essential components used in air compressor systems to remove moisture and condensate from the compressed air. These drains play a crucial role in maintaining the efficiency and reliability of the air compressor and the quality of the compressed air output. Here's what you need to know about compressed air drains:

  1. Purpose: Compressed air contains moisture in the form of water vapor, which can condense into liquid water as the air cools down. This moisture can lead to various issues in pneumatic systems, such as corrosion, reduced equipment lifespan, and decreased air quality. Compressed air drains are installed to eliminate this moisture from the air supply.

  2. Types of Compressed Air Drains: There are several types of compressed air drains, each designed for specific applications and operational requirements. The common types include:

    • Automatic Drains: These drains use sensors or timers to detect and discharge condensate at predetermined intervals. They are suitable for systems with varying air demand.

    • Float-Type Drains: These drains rely on a float mechanism that opens and closes a valve to release condensate as it accumulates. They are simple and reliable but may not be suitable for all applications.

    • Electronic Drains: Electronic drains use sensors to monitor the level of condensate and open a valve when a certain level is reached. They offer precise control and are often used in critical applications.

    • Zero-Loss Drains: Zero-loss drains are designed to eliminate condensate without wasting compressed air. They ensure that no air is lost during the draining process.

  3. Installation: Compressed air drains are typically installed at low points in the air distribution system, such as after the air receiver tank or at specific points in the air piping.Proper installation is crucial to ensure effective condensate removal.

  4. Benefits: The use of compressed air drains offers several benefits, including:

    • Improved Air Quality: By removing moisture, compressed air drains help maintain clean and dry air, which is essential for sensitive pneumatic equipment.

    • Reduced Maintenance Costs: Preventing condensate from entering the air lines reduces the risk of corrosion and damage to downstream equipment, leading to lower maintenance costs.

    • Enhanced System Efficiency: Dry air systems operate more efficiently, ensuring that pneumatic tools and equipment perform at their best.

  5. Maintenance: Regular maintenance of compressed air drains is essential to ensure they function properly. This may include checking for clogs or malfunctions, replacing worn components, and scheduling drain inspections.

In summary, compressed air drains are crucial accessories in air compressor systems that help maintain the quality and efficiency of compressed air by removing moisture and condensate. The choice of drain type depends on the specific application and operational needs of the compressed air system. Proper installation and maintenance are key to ensuring the reliable performance of these components.

Below you can find our editor's choice of the best compressed air drains on the market
  

PneumaticPlus SAD402-N04D-MEP Compressed Air, External Water Trap Valve with Automatic Drain 1/2" NPT - Metal Bowl Sight Glass, 10 Micron

PneumaticPlus

Based on 63 reviews Check latest price

Product description

PneumaticPlus SAD Series Automatic Drain offers cost effective solution for filtering particulate and moisture in your airline. SAD Series use 10 Micron Element as a standard element. It also provides bowl options (Metal or Polycarbonate). PneumaticPlus, SAD automatic drain has a float mechanism for automatic liquid discharge and is suitable for removing accumulated liquid from a compressed air system. It does not require electricity or consume air flow for operation. The drain has 1/2" NPT female inlet and outlet ports for use with existing air piping and requires a minimum air flow of 400 L/min for operation. It has a maximum drain discharge rate of 400 cc/min, an operating temperature range of 23 to 140 degrees F, and an operating pressure range of 14.5 to 145 pounds per square inch (psi). This automatic drain is suitable for use in compressed-air applications such as in a machine shop or assembly line. Compressed air filters remove pollutants and submicronic contaminants from clean air in compressed air handling and preparation systems. Clean compressed air provides and controls energy, conveys materials, and is critical to the safe operation of equipment in many industries. Compressed air filters remove particulates (dirt), oil, water, and oil vapor. They can be combined with other units, integrating with either a regulator, which controls excess pressure for better performance, or a lubricator, which adds oil mist to the air, or both. They are typically constructed of metal, such as zinc or type 316 stainless steel, or transparent polycarbonate, and are available with optional indicators, gauges, and drain configurations depending on the application. Compressed air filters are used in a wide range of applications, including food processing, electronics, health care, and instrumentation, among others.

  • Automatic drain for removing accumulated liquid from a compressed air system
  • Float Drain w/ 1/4" Tube Connetion (Push-to Connet Fitting) & Metal Bowl w/ Sight Glass
  • 1/2" NPT Female Thread ports for use with existing air piping, 10 Mcron Element
  • Float-style drain for automatic liquid discharge without electricity
  • Manufacturerd In Korea, 1 Year Limited Warranty

User questions & answers

Question: have a 3/4" pipe system - will this one work with reducer fittings
Answer: Hi! Lay's Classic is gluten free. Lay's Barbecue, Lay's Salt & Vinegar and Lay's Sour Cream & Onion do not contain gluten ingredients but are not labeled gluten free. For more information, check out our website https://www.fritolay.com/snacks/special-dietary-needs/us-gluten-free-products-and-products-not-containing-gluten-ingredients.htm Thanks!
Question: Can the push-to-connect fitting at the bottom be removed? If it is removed, what kind and size of thread is present
Answer: These are 1 oz. bags. Need more info? Please call 1-800-352-4477 (Mon-Fri, 9am-4:30pm CT). Thanks!
Question: Does this actually require 400 L/min to work right
Answer: I received mine on October 26 and the expiration date was November 17, very stale. I went and bought a bag from a grocery store and the expiration date was almost three months away. So what do I do with the remaining 39 bags of chips, hmmmmm, Halloween was right around the corner.............TRICK or CHIPS, kids!!!
Question: Do I need 3 of these units as shown in the picture
Answer: I ordered these a couple of months ago (summer 2020) and unfortunately the expiration date was only 3 weeks into the future. (I had ordered these a few years ago on Amazon and the expiration date of those was 7 weeks out, which was the minimum amount of time that I was expecting out of my order this summer.) I ended up having to give a lot of these away because our household couldn't get through 40 bags in 3 weeks.
Question: The origin of this product
Answer: You struck GOLD! Yes they are..Certified Gluten Free!
Question: Is the frame steel or cast iron?? I would like to maybe extend the bottom to set on the bench a little deeper
Answer: These are awesome chips!! However, you do not know the expiration date until you receive them. I just received a box yesterday, March 20 2019, with an expiration of April 09 2019. If you plan to sell them, it's fine. If they're for personal consumption, not so much. They did offer a refund or replacement though.
Question: does this vise need to be greesed or oiled after unboxing? If so how
Answer: Hey, how’s it going? Well I bought the Salt and Vinegar, the jalapeño, and the Farm house white Cheddar! Each box that I bought for $16.98 had a total of 28 1.375 ounce bags that was sold by Amazon!
Question: What is the clamping capacity of this vise? How thick of a workbench can be accommodated
Answer: Hello I ordered the 64 pack which is the small average bag of chips.

3/4" Coalescing Filter W/AUTO DRAIN compressed air systems paint remove oil

THB

Based on 2 reviews Check latest price

Product description

New 3/4" Coalescing Filter / Oilesser W/ INTERNAL FLOAT DRAIN  Coalescing Filters protect your equipment and delicate instruments from the dirt, water, and oil usually found in compressed air. Great for compressed air systems, paint booths, sandblasting. 3/4" FEMALE NPT Inlet & 3/4" FEMALE NPT Outlet port Visible Sight glass to view oil level.  0.01 micron filter removes 99.9% of oil, water and dust from compressed air sytems. Replacement elements can be found on our website. 5 oz bowl 140 scfm max flow rate INTERNAL FLOAT DRAIN ( AUTO DRAIN) Operating & Installation instructions are included When trying to figure out which type of filtration is best for your application, remember that the lower the micron rating of the filter element, the more contamanents it removes. 0.01 micron being the most efficiant. Most particulate filters come standard with 5 micron elements

  • New 3/4" Coalescing Filter / Oilesser W/ INTERNAL FLOAT DRAIN
  • 3/4" FEMALE NPT Inlet & 3/4" FEMALE NPT Outlet port
  • Visible Sight glass to view oil level. 140 scfm max flow rate

3/4" HEAVY DUTY COMBO PARTICULATE & COALESCING FILTER REGULATOR COMPRESSED AIR WITH AUTOMATIC DRAIN

Based on 1 reviews Check latest price

Product description

3/4" HEAVY DUTY HIGH FLOW COMBINATION FILTER / REGULATOR & COALESCING FILTER W/ GAUGE. 215 PSI MAX OUTPUT COMPLETE WIHT INTERNAL FLOAT DRAIN ( AUTO DRAIN) 3/4" FEMALE NPT INLET X 3/4" FEMALE NPT OUTLET EQUIPPED WITH WALL MOUNTING BRACKET DESIGNED FOR BOTH 1 STAGE AND 2 STAGE APPLICATIONS 250 PSI MAX INPUT PRESSURE 215 PSI MAX OUTPUT PRESSURE PARTICULATE FILTER REMOVES 95% OF MOISTURE, OIL AND DEBRIS REGULATOR WILL REGULATE AIR PRESSURE BETWEEN 7 - 225 PSI COALESCING FILTER WILL REMOVE 99.98% OF THE REMAINING DEBRIS THE PARTICULATE LEAVES BEHIND. BY IMPLEMENTING A PARTICULATE FILTER BEFORE YOUR COALESCING FILTER, YOU WILL BE EXTENDING THE LIFE OF YOUR COALESCING FILTER ELEMENT 5 FOLD WHILE PROVIDING CLEAN AIR LINES TO YOUR COMPRESSED LINE SYSTEM. FILTER / REGULATOR SPECS: 3/4" ( TOP AND BOTTOM PIGGY BACK TYPE) 215 PSI MAX OUTPUT 5 MICRON FILTER INCLUDED REMOVES 95% OF CONTAMINANTS INTERNAL FLOAT DRAIN ( AUTO DRAIN ) 2.7oz BOWL CAPACITY ( METAL BOWL) WITH VISIBLE SIGHT GLASS 120 CFM FLOW RATE EQUIPPED WITH CENTER BACK MOUNT PRESSURE GAUGE 7 - 225 ADJUSTMENT PRESSURE COALESCING FILTER SPECS: 3/4" MAX PRESSURE: 215 PSI OUTPUT INLET OUTLET: 3/4" INLINE 0.01 MICRON FILTER REMOVES 99.98% OF THE DEBRIS THAT THE PARTICULATE LEFT BEHIND - 2.7oz METAL BOWL WITH VISIBLE SIGHT OPERATING & INSTALLATION INSTRUCTIONS INCLUDED

  • 3/4" HEAVY DUTY HIGH FLOW COMBINATION FILTER / REGULATOR & COALESCING FILTER W/ GAUGE
  • 3/4" FEMALE NPT INLET X 3/4" FEMALE NPT OUTLET
  • 250 PSI MAX INPUT PRESSURE 215 PSI MAX OUTPUT PRESSURE
  • WILL REGULATE AIR PRESSURE BETWEEN 7 - 225 PSI
  • METAL BOWL AND VISIBLE SIGHT GLASS WITH AUTO DRAIN

User questions & answers

Question: Does this filter need to be located away from the compressor or can it be placed near the compressor just prior to the shop distribution piping
Answer: Certain kettle chips are hard to find, especially the unsalted. Mostly Whole Foods Store Chains carry them.
Question: where do I get filters for these
Answer: It does not say "vegan" on the bag (I buy the unsalted, which I prefer), and the ingredients list is "potatoes, safflower and/or sunflower and/or canola oil." The bag is also marked "kosher/parve." This is the only unsalted potato chip I have ever been able to eat. I have found the baked chips I've tried to be too hard. I think these have a great taste.

1/2" HEAVY DUTY COMBO PARTICULATE & COALESCING FILTER REGULATOR COMPRESSED AIR WITH AUTOMATIC DRAIN

THB

Based on 1 reviews Check latest price

Product description

1/2" HEAVY DUTY HIGH FLOW COMBINATION FILTER / REGULATOR & COALESCING FILTER W/ GAUGE. 215 PSI MAX OUTPUT COMPLETE WIHT INTERNAL FLOAT DRAIN ( AUTO DRAIN) 1/2" FEMALE NPT INLET X 1/2" FEMALE NPT OUTLET EQUIPPED WITH WALL MOUNTING BRACKET DESIGNED FOR BOTH 1 STAGE AND 2 STAGE APPLICATIONS 250 PSI MAX INPUT PRESSURE 215 PSI MAX OUTPUT PRESSURE PARTICULATE FILTER REMOVES 95% OF MOISTURE, OIL AND DEBRIS REGULATOR WILL REGULATE AIR PRESSURE BETWEEN 7 - 225 PSI COALESCING FILTER WILL REMOVE 99.98% OF THE REMAINING DEBRIS THE PARTICULATE LEAVES BEHIND. BY IMPLEMENTING A PARTICULATE FILTER BEFORE YOUR COALESCING FILTER, YOU WILL BE EXTENDING THE LIFE OF YOUR COALESCING FILTER ELEMENT 5 FOLD WHILE PROVIDING CLEAN AIR LINES TO YOUR COMPRESSED LINE SYSTEM. FILTER / REGULATOR SPECS: 1/2" ( TOP AND BOTTOM PIGGY BACK TYPE) 215 PSI MAX OUTPUT 5 MICRON FILTER INCLUDED REMOVES 95% OF CONTAMINANTS INTERNAL FLOAT DRAIN ( AUTO DRAIN ) 2.7oz BOWL CAPACITY ( METAL BOWL) WITH VISIBLE SIGHT GLASS 120 CFM FLOW RATE EQUIPPED WITH CENTER BACK MOUNT PRESSURE GAUGE 7 - 225 ADJUSTMENT PRESSURE COALESCING FILTER SPECS: 1/2" MAX PRESSURE: 215 PSI OUTPUT INLET OUTLET: 1/2" INLINE 0.01 MICRON FILTER REMOVES 99.98% OF THE DEBRIS THAT THE PARTICULATE LEFT BEHIND - 2.7oz METAL BOWL WITH VISIBLE SIGHT OPERATING & INSTALLATION INSTRUCTIONS INCLUDED

  • 1/2" HEAVY DUTY HIGH FLOW COMBINATION FILTER / REGULATOR & COALESCING FILTER W/ GAUGE. 215 PSI MAX OUTPUT
  • 1/2" FEMALE NPT INLET X 1/2" FEMALE NPT OUTLET
  • 250 PSI MAX INPUT PRESSURE 215 PSI MAX OUTPUT PRESSURE
  • WILL REGULATE AIR PRESSURE BETWEEN 7 - 225 PSI
  • METAL BOWL AND VISIBLE SIGHT GLASS & AUTO DRAIN

ECUTEE Automatic Timed Water Tank 1/2" AC 110V 2-way Direct-acting Drain Valve Electronic Timed Air Compressed Drain Valve US Plug

Based on 2 reviews Check latest price
  • Type: two-way direct-acting valve. The current consumption: Max 4mA.
  • Air Compressor Tank Drain Valve.110 Volt Electronic Automatic Timer Moisture Drain for Air Compressors and Air Tanks.
  • Time interval ( OFF ): 0.5--45 minutes (adjustable).
  • Discharge time ( ON ): 0.5--10 seconds (adjustable).
  • Equipped with a ball valve filter, split with drain valve, an L-shaped structure.

Product features

Feature:

Easy to install, fully automatic operation Power Cable With 3pin US Plug. about 1.8m Length Equipped with a ball valve filter, split with drain valve, an L-shaped structure Voltage: AC110V 50Hz Voltage range: 10% Time interval ( OFF ): 0.5--45 minutes (adjustable) Discharge time ( ON ): 0.5--10 seconds (adjustable) Manual test button: Yes( micro switch ) The current consumption: Max 4mA Ambient temperature: -40 °C to 60 °C. Protection grade: IP65

Shell material: Flame retardant ABS plastic

Electrical connection: DIN43650A

Indicator lamp: LED indicating power on / off

Type: two-way direct-acting valve

Flow aperture: 5 mm

Insulation class: H

In / out port size: 1/2"

Maximum working pressure: 1.6Mpa

Maximum temperature: 90 °C

Valve material: Forging brass

Parker 07F42AC Compressed Air Filter, Removes Particulate, Polycarbonate Bowl with Metal Bowl Guard, Manual Drain, 40 Micron, 145 scfm, 3/4" NPT

Parker

Based on 2 reviews Check latest price

Product description

  • Parker 07F standard series compressed air filter for water and particulate removal
  • Polycarbonate bowl resists grease, oil, detergent, and most inorganic acids, and has very high impact resistance
  • Operating temperatures range from 32 to 125 degrees F
  • Large filter element surface for low pressure drop and increased element life
  • Deflector plate with shroud swirls the air stream ensuring water and dirt separation

User questions & answers

Question: Does the auto drain port have a threaded connection at the bottom? I would like to connect a small hose to divert the drain away
Answer: I do not know what the percentage or number is because I have eaten them all, but there is seasoning also so I would put them on the scale toward more sodium.
Question: will this work 110v 60z power supply
Answer: The sodium content for the Kettle Brand Chips Sea Salt flavor is 414.1 MG.
Question: how do you power this?do you have it wired directly with the 220 of the compressor
Answer: I think one, maybe. About $4 a bag and I got 6 bags, but more ounces than in most stores. One of best chips
Question: Does this come witha transformer or is it direct wired to 220V
Answer: Are you kidding me? Who gives a rats ass if it is organic or how the oil is pressed. You need to learn to enjoy your life and wuit falling for these marketing ploys, lmfao.
Question: Does it hold pressure without power? I want to wire it with the motor, set to open for 1 second every 2 minutes only while compressor motor runs
Answer: They are sort of in between. Not thick cut or ruffled, but they are really crispy and some have folded over making a nice extra crunchy effect. They are my favorite potato chips - I order by the case

TOPRING NPT 1 Port Compressed Air Manifold with Drain, 1 Inlet and 1 Outlet, Anodized Aluminium with mounting Holes, 262 PSI, Model 47.601

TOPRING

Based on 1 reviews Check latest price

Product description

TOPRING Anodized Aluminium surface-mount Manifold provides a convenient junction point for compressed air distribution systems requiring multiple connections. The manifold accepts quick couplers or air hoses. To ensure safe installation of the manifold, it is recommended to use the proper type of screws suitable for the surface on wich the manifold will be installed. Each manifold is equipped with 4 mounting holes. The black anodized aluminium offers good resistance to corrosion. Applications include air outlets, compressed air distribution systems and control panels.

  • A CONVENIENT WALL MOUNTED COMPRESSED AIR MANIFOLD junction point with drain
  • 1/2 (F) NPT Inlet, 1 X 3/8 (F) NPT Outlet with Drain
  • Port Threading: NPT (National Pipe Thread) - Most commonly used in the US and Canada
  • Maximum Working Pressure: 262 PSI Working Temperature: -20 to 70 °C (-4 to 158 °F)
  • Anodized aluminium body with 4 Mounting Holes

HEAVY DUTY INDUSTRIAL GRADE COALESCING FILTER WITH 0.01u MICRON ELEMENT, METAL BOWL, REMOVES 99.98% MOISTURE, VAPOR AND OIL FROM COMPRESSED AIR LINES, AUTO DRAIN (3/4" NPT, 11oz)

EDGE Industrial

Based on 1 reviews Check latest price

Product description

PLEASE NOTE: THE ABSOLUTE BEST WAY TO SEPARATE WATER FROM YOUR COMPRESSED AIR LINES STARTS WITH THE COMPRESSED AIR LINES THEMSELVES. ALWAYS FORCE AIR TO CLIMB VERTICALLY WHILE POOLING WATER IS CARRIED DOWNWARDS BY GRAVITY. USUALLY INTO SOME SORT OF DRAIN OR BALL VALVE THAT IS DRAINED OUT PERIODICALLY.

  • 3/4" NPT INDUSTRIAL GRADE COALESCING FILTER. COALESCING FILTERS REMOVE MOISTURE, MOISTURE VAPOR AND OIL FROM COMPRESSED AIR LINES.
  • MAX PRESSURE 175 PSI, PLEASE NOTE: 3/4" NPT MEASURES 1.05" OUTSIDE THREAD DIAMETER IN INCHES.
  • 0.01u MICRON ELEMENT REMOVES 99.98% MOISTURE, OIL AND CONTAMINANTS THIS UNIT COMES EQUIPPED WITH 11oz METAL BOWL, VISIBLE SIGHT GLASS, WALL MOUNTING BRACKET AND INTERNAL FLOAT DRAIN (AUTO DRAIN) LOCATED AT THE BOTTOM OF THE METAL BOWL.
  • EQUIPPED WITH RED POP UP INDICATOR TO LET YOU KNOW WHEN ITS TIME FOR FILTER CHANGE.
  • REPLACEMENT FILTERS ARE ON AMAZON. COPY AND PASTE AMAZON ASIN B01NCZ7452 TO YOUR AMAZON SEARCH BAR.

User questions & answers

Question: I have received the 2nd filter (having returned the first because the thb nameplate had been removed) and it also has the thb nameplate removed why
Answer: The pepper ones do not as far as I know.

PneumaticPlus SAU420-N04DG-MEP Compressed Air Filter Regulator Combo 1/2" NPT - Metal Bowl, Auto Drain, Bracket, Gauge

Based on 1 reviews Check latest price

Product description

PneumaticPlus SAU Series Modular Air Filter Regulator units offer a complete airline solution for the most effective air filtration and pressure control to keep your air tools working properly. The SAF Filter comes standard with a 10 Micron Particulate element that removes harmful debris and moisture. The SAR Regulator provides precision pressure control that can be adjusted and set using the locking knob. SAU Series Modular Air Filter Regulator units are offered with Drain (Manual or Auto) and Bowl (Metal or Polycarbonate) options to better suit your needs. Search for different bowl and drain options by typing SAU PneumaticPlus in Amazon’s search box. DO NOT INSTALL A POLYCARBONATE BOWL IN PRESSURES THAT EXCEED 150 PSI OR WHERE THERE IS A PRESENCE OF SOLVENTS HARMFUL TO POLYCARBONATE. PneumaticPlus SAU Series Units provide quality air filtration for compressed air applications with the flexibility to adapt to the changing needs of your system. Its modular design allows for quick, simple connect or disconnect of units to customize your unit to your specific needs, requiring only a screwdriver or hex key. Units can be installed in any location on a single plane without requiring changes to existing piping. SAR Regulators can be mounted either up or down, and the pressure is controlled using the adjustable locking knob. SAF Air Filters remove harmful debris and moisture from your air supply. SAL Lubricators can be adjusted easily to specifications of your tools and applications for proper protection. Diverter blocks may be used to supply air to secondary locations. Units are designed to fit National Pipe Thread (NPT) sizing. Please visit our Amazon Store for our complete line of air products.

  • Max. Supply Pressure: 250 PSI/ Max. Operating Pressure: 0-150 PSI
  • 10 Micron Particulate Element / Flow Rate: 176 SCFM @ 90 PSI
  • Auto Drain, Metal Bowl w/ Sight Glass, Port Size: 1/2" NPT
  • Use Metal bowl in pressure exceeding 150 PSI or when solvents harmful to polycarbonate is present
  • Pressure Gauge, Bracket Included

User questions & answers

Question: Can this also be used to manually drain the tank if you ever had to fully drain it for some reason
Answer: Potato chips are difficult to sell online, as they arrive to us at about 100 days from expiration. They are not designed to be stored for months. We assemble and ship the cases usually within a week of receipt, but by the time they are shipped they are often at about 2-3 months on average. The good news is that they are often good for months after the "best by", however we do not ship anything expired or near expiration. Our average shipment is about 300 cases, and that takes us about a month to sell. Right now, as of Mar 31, most of our exp. dates are July 2017. We just sent a new shipment days ago.
Question: where does this ship from? Country
Answer: I'll answer and resist leaving prissy obnoxious comments about Canola oil. Each 1 oz serving of Kettle Chips is about 150 calories (can vary slightly by flavor). So these bags run approx 225 calories each.

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