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Medical Air Desiccant Dryers

AIR DESICCANT DRYERS

CONFIGURATIONS

With Dewpoint/CO Monitor

Duplex

Features And Benefits

Two desiccant twin tower air dryers with an integral demand based purge saving control system

Two high efficiency coalescing pre-filters rated for 0.01 micron mounted on each dryer with automatic drain and element change indicator

Automatic solenoid drain valve for coalescing filter

Two particulate final line after filters rated for 0.01 micron mounted on each dryer with element change indicator

Two final line regulators and safety relief valves

Four valve bypass for dryer maintenance

Isolation valves to permit servicing without shutting down the medical air system

Air sample port

Dew point hygrometer/CO monitor with integral chemical CO sensor

Mounted and wired control system

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CONTACT US Corporate Office Charlotte, NC 4610 Entrance Drive Suite H, Charlotte, NC 28273. Tel : 704-529-5442 Fax : 704-525-5148 Read More

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Rotary Claw Vacuum Pump

5 HP DUPLEX CLAW SPACE SAVER

Features And Benefits

High efficiency, oil-less, contactless, multiclaw technology by Busch - Durable, proven technology, low maintenance, ideal for WAGD applications

Fully compliant with the latest NFPA 99 standards

Easy installation and certification

HMI display - Accurate performance information, touch screen control, complete service data

UL listed NEMA 12 control panel - Safe, reliable, easy to service or troubleshoot

Variable Frequency Drive (VFD) available

Reduced energy costs, consistent vacuum level, reduced noise and heat, longer machine life

No lubrication or sealing fluid required inside the vacuum chamber

Reduced maintenance costs

Low maintenance - simple filter changes, reduced costs

Compact design with single point connection (SPC) or modular configurations

Easy installation, equipment arrangement flexibility

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CONTACT US Corporate Office Charlotte, NC 4610 Entrance Drive Suite H, Charlotte, NC 28273. Tel : 704-529-5442 Fax : 704-525-5148 Read More

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Choosing the Ideal Technology for Your Medical Facility

An extensive needs analysis is key to ensuring the ideal technology for any optimised medical grade compressed air system. The design of a compressed air system for medical use must be geared to meet the need every time.

Even in the medical sector, a compressed air system has to be cost-effective, including ensuring low installation and low operating costs. Highly efficient energy-saving technologies combined with dryers, filtration, control monitoring, and display concepts provide seamless interaction between all system components.

MEDICAL COMPRESSOR USES IN MEDICAL APPLICATIONS

Compressed air is used for assisted breathing in medical devices. This would be a medical air compressor package that has specific code requirements per NFPA 99. Clean, dry safe air needs to be delivered to the patients quickly on demand.

Compressed air is used in other areas of a hospital for physical therapy, laboratory use, central sterile processing, and to power air tools. Medical compressors are an absolute necessity to the medical industry.

When determining the best technology to choose for your specific healthcare facility application, there are a set of questions that should be answered. These questions are not all-encompassing, but they will help guide you down the path of choosing the correct technology best suited for the client.

What does the demand profile look like? Will it be constant or have high/low peaks?

What’s the budget criteria? Are they willing to invest upfront?

How will maintenance be practiced? Internally or by an outside service provider?

Are there any plans for future expansion?

Are energy savings and consumption considerations in effect?

What about the sustainability of the facility?

Coupled with ever-changing Health and Safety regulations and legislation, the medical industry can rely on specially designed Pattons Medical compressed air equipment to provide the perfect solutions for your compressed air demands.

Let’s start by reviewing the Pros and Cons of the different types of technologies available for the medical air systems.

ROTARY SCROLL COMPRESSOR

Rotary Scroll Compressors are equipped with intermeshing spiral scrolls and aftercoolers, making them perfect for continuous medical application with minimum noise levels. An enclosed scroll system offers the advantage of reduced noise levels. It also permits ducting in cooling air and exhausts the hot air. These compressors are compact, demanding lower footprint requirements. They are low maintenance. However, it should be remembered that these compressors need annual maintenance. They have a lower air end life when compared to the reciprocating compressors and lower SCFM per output. In short, they have a lower operating costs and extended service intervals.

An oil-less scroll compressor does not generate excess heat and they offer reliability even after completing their full duty cycle.

RECIPROCATING COMPRESSOR

A Reciprocating compressor long-life pistons. They are robust, having around 30K to 50K hours of life. They are cost-effective per HP. They are flexible and allow for intermittent cycles.

However, they require a large footprint and have a noise level that may reach up to 84db. They require quarterly maintenance of their belts and pistons, which will result in temporary shutdown or malfunction once worn out.

ROTARY SCREW COMPRESSORS

Oil-free rotary screw compressors are robust, having a long-life air end. The rate of SCFM output per HP is higher. They operate in minimum noise levels. They are best suited for applications requiring a higher SCFM output greater than 300.

However, rotary screw compressors occupy a large footprint. They are costlier when compared to the scroll compressors. Specialist maintenance personnel is required and the cost per maintenance interval is also higher.

The following chart shows the variable costs per SCFM, Life Span, Noise dB, Energy Consumption.TechnologyCost($/CFM)Life Span(hours)NoiseMaintenance CostEnergy Consumption (CFM/HP)Additional ConsiderationsReciprocating798.520,000+84 dBHigh3.5What is facility capabilities?Scroll729.210-20,00073dBLow3.2What is facility capabilities?Screw789.130,00069dBMedium4.2Environmental Consideration

DRYERS

Regardless of application or compressor type, you will need to also have a dryer to remove the water from the airlines. For medical air packages, NFPA 99 code requires a desiccant dryer. For laboratory or non-medical, a refrigerated dryer is acceptable. Choosing a package with a desiccant dryer a demand-based purge allows the dew point to determine when the dryer purges. The compressor will only run based on demand and not to just the purge the dryer, keeping the hours down. Pattons Medical desiccant dryer utilizes desiccant cartridges making it incredibly easy to change out.

THE BEST TECHNOLOGY FOR YOUR FACILITY

In conclusion, each healthcare application may have intricacies based on the space available or location elevation for the medical gas systems. Whether you’re designing a new facility or renovating an existing building, you’ll find the basic questions will be beneficial to your technology selection.

Pattons Medical has a team of medical gas consultants and engineers who are experienced in the technology selection. Please give us a call early in your project and we would be happy to guide you in the medical gas design.

CONTACT US

Corporate Office Charlotte, NC 4610 Entrance Drive Suite H, Charlotte, NC 28273. Tel : 704-529-5442 Fax : 704-525-5148 Read More

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High Pressure and Liquid Medical Gas Manifold Installation

Discussing high pressure and liquid medical gas manifolds located indoors, the number one aspect is that it has to be a separate secured room with one hour fire rating used for no other purpose. Your manifold room can only have the manifolds and the container that is being replaced. You can store and keep connected what you’re actually using.

For example, if you have Dewars, you are only able to store Dewars, and then your high-pressure cylinders (H tanks) can go in there. Sometimes people put the vacuum pump and the oxygen manifold in the same room – that is not allowed and very expensive to change order. Remember, your manifolds must be in a room all by themselves and be properly labeled.

Although this blog discusses the most common practices, Pattons Medical advises you to always work with your local municipality and local verifier to ensure that your design complies with your interpretation of whichever code they’re working on. Additionally, please note that any electrical devices in this room must be situated above five feet, and relief valves must be installed with copper piping that extends outside the room. The discharge should be turned down and screened for safety. Another important consideration is having a source valve located near the manifold.

When it comes to the insulation of the room, there are several other factors to take into account. Firstly, the temperature inside the room should not exceed 125 degrees. Additionally, ventilation must be carefully planned and implemented to ensure optimal conditions. You are able to naturally ventilate the room if your total gas falls below 3000 cubic feet. You can access gas volume charts on the Pattons Medical website.

Reference NFPA 99 5.1.3.3.2 (1-9) for design and construction details for locations of central supply systems and storage of positive pressure gases.

Indoor rooms can be heated by indirect means using steam or hot water if needed. The common rule of thumb for your liquid containers, your Dewars, is depending on the gas, it could be between 12 and 16 H cylinders. You will know where you are in that 3000 cubic feet threshold by the math and whether you want to do the mechanical versus the natural.

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Pattons Medical offers Multiple medical air compressors and products in the market

Pattons Medical, in addition to medical air compressors offers medical vacuum, oil-less rotary vane, lubricated rotary vane and oil-less rotary claw pumps. .Our products meet or exceed NFPA 99 and CSA standards in addition to being U.L. listed. If our standard products do not exactly fit your requirements, we will work with you to develop special packages to comply with your particular specifications or applications.

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ROTARY CLAW VACUUM PUMP - Pattons Medicals USA

Features And Benefits For ROTARY CLAW VACUUM PUMP are High efficiency, oil-less, contactless, multiclaw technology by Busch - Durable, proven technology, low maintenance, ideal for WAGD applications.

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Pattons Medical Vacuum Pump - Standard with/without VFD

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Medical Air Desiccant Dryers - Pattons Medical USA

Pattons Medical complete range of twin tower desiccant air dryers with an integral demand based purge saving control system. Protecting your systems and processes.

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OVERVIEW OF MEDICAL GAS MANIFOLDS

WHAT IS A MEDICAL GAS MANIFOLD?

Unlike Medical Air Compressors and Vacuum Pumps that generate gas on-site, many gases used in healthcare settings are delivered to the facility in different types of containers and use manifolds to distribute into the rooms. Gases that can be delivered:

Oxygen – delivery pressure of 50psi

Nitrous Oxide – delivery pressure of 50psi

Medical Air – delivery pressure of 50psi

Carbon Dioxide – delivery pressure of 50-100psi

HeliOX blends – delivery pressure of 50psi

Nitrogen – delivery pressure of 180psi

Instrument Air – delivery pressure of 180psi

The 2021 edition of the NFPA99 has the most recent developments in medical equipment and processes as well as new methods to reduce fire, explosion, and electrical hazards.

WHAT CONTAINERS ARE USED WITH MANIFOLDS?

Bulk tanks and micro-bulk tanks are gas containers that get refilled on-site. These are used for large applications and require additional equipment. Sometimes, these are collectively called a tank farm and the pad – which allows access for a truck with cryogenic gas to pull in and fill the tanks. Liquid Dewars and high-pressure cylinders are the types of gas containers that are delivered and replaced when empty. For example, there is an “H-type” high pressure cylinder, which is primarily hooked up to a high-pressure manifold in the healthcare setting. These are very common for ambulatory surgery centers and small outpatient facilities, most of the gases listed above outside of oxygen, still use this type.

Micro-Bulk Tank

Bulk Tank

HIGH PRESSURE AND LIQUID MEDICAL GAS MANIFOLD INSTALLATION

Discussing high pressure and liquid medical gas manifolds located indoors, the number one aspect is that it has to be a separate secured room with one hour fire rating used for no other purpose. Your manifold room can only have the manifolds and the container that is being replaced. You can store and keep connected what you’re actually using.

For example, if you have Dewars, you are only able to store Dewars, and then your high-pressure cylinders (H tanks) can go in there. Sometimes people put the vacuum pump and the oxygen manifold in the same room – that is not allowed and very expensive change order. Remember, your manifolds must be in a room all by themselves and be properly labeled.

Although this blog discusses the most common practices, Pattons Medical advises you to always work with your local municipality and local verifier to ensure that your design complies with your interpretation of whichever code they’re working on. Additionally, please note that any electrical devices in this room must be situated above five feet, and relief valves must be installed with copper piping that extends outside the room. The discharge should be turned down and screened for safety. Another important consideration is having a source valve located near the manifold.

When it comes to the insulation of the room, there are several other factors to take into account. Firstly, the temperature inside the room should not exceed 125 degrees. Additionally, ventilation must be carefully planned and implemented to ensure optimal conditions. You are able to naturally ventilate the room if your total gas falls below 3000 cubic feet. You can access gas volume charts on the Pattons Medical website.

Reference NFPA 99 5.1.3.3.2 (1-9) for design and construction details for locations of central supply systems and storage of positive pressure gases.

Indoor rooms can be heated by indirect means using steam or hot water if needed. The common rule of thumb for your liquid containers, your Dewars, is depending on the gas, it could be between 12 and 16 H cylinders. You will know where you are in that 3000 cubic feet threshold by the math and whether you want to do the mechanical versus the natural.

Liquid Dewars

High Pressure Cylinders

HOW DO MEDICAL GAS MANIFOLDS WORK?

With medical gas manifolds, you will have two banks; the primary and the secondary, and they are required to be equal. In regards to space, the primary bank is the one currently supplying the gas, and then the secondary bank will be ready when the primary is depleted. The manifold is required to be fully automatic. Referring to the NFPA applications, the switchover must occur within the manifold, semi-automatic.

Discussing the manifold and the header bars, the header bars will need to be equipped with high-pressure shutoff valves outside the cabinet to allow for emergency isolation. You also will need to have integral check valves for each station. The header bar is going to be CGA gas specific. This means your H cylinder (your Dewar), has a certain threaded connection – similar to the header bar. The goal is to prevent a nitrogen, H cylinder from being hooked up to an oxygen manifold. With the CGA fittings, the manifold is equipped with pressure transduced – which will send information to the main circuit board for a remote signal. This is how it will talk to your master alarms. Since you will need to place this outdoors, the NEMA four gives you some weatherproofing. You will need to make it a NEMA four cabinet if you are going to do it outside. Pattons Medical recommends putting a cover or shelter over it.

WHAT’S INSIDE A HP MANIFOLD?

The manifold is going to come equipped with a three-quarter inch shutoff valve, which makes up a manifold for high pressure. At the bottom of the diagram, is the pressure transducers that are telling you what pressure is happening in each side, your left and right bank, and your primary and secondary. Then, we go into the left and right bank dome regulators. The important part about using the dome biased regulators is that it’s what holds the pressure to allow the whole thing to work off pressure differential.

Above those, are the first line regulators. Then, the bank gauges at the top tell you what's going on in these headers. After that, there’s the pilot regulator, which is feeding pressure into the dome bias, so your dome bias regulator is about 25 – 30 PSI higher than the one that it’s currently feeding.

When a facility gets gas delivered to their site, they are paying for gas at a certain purity, when the gas gets delivered on site, there is no way to make it pure. Manifolds can affect the purity of the gas, so if you’re not using high quality regulators that are made for NFPA applications, then there is potential through the regulator to introduce some impurities into the gas as it flows through the manifold. The left bank is feeding the facility, but when it drops to 250 PSI, it is no longer satisfying the dome biased, then it’ll switch to the secondary bank.

The manual purge valve will test for purity. The pressure relief valve is there to let you know if something is wrong and it will relieve off. When you are determining the flow through the manifold, some spec sheets give you the flow with both your left line regulator and your right line regulator being open, flowing through both, but this is not accurate for an NFPA application. For maintenance, the left line regulator will be manually turned off and then the right line regulator will need to be turned on. That is strictly to keep the wear and tear equal within the manifold.

There are manifolds on the market that use what’s called a “switching,” which is when it switches to where the pressure is after one side no longer has any pressure. The issue with this is that they leak and cause a waste of gas. The other caveat is that they fail frequently in the middle, so they haven’t closed the left bank but they opened the right bank. So, you end up using both banks at once with no warning.

HEATERS

CO2 and nitrous are two gases that can potentially freeze up a manifold. This is caused by a pressure drop and flow across the regulators in the orifice in the manifold. If you’re going to use a manifold with a shuttle valve, you must have a heater for CO2 and nitrous oxide because they leak. Then, you will be left with a slow flow the eventually freezes, so you’ll need to use a heater. We have a high flow dome bias regulator in our manifold, our specification sheets do not specify a heater with a Pattons Medical manifold. It isn’t needed because Pattons Medical picked a regulator that would give us high flow. Pattons Medical also wanted to make it so that heaters weren’t needed because they add to the room which causes another fail point. The heaters basically work by switching on when the room temperature drops below 75 degrees.

LIQUID X LIQUID MANIFOLD

In larger facilities, the number of high-pressure cylinders required to meet the demand can become very high resulting in a huge space requirement and a very labor-intensive change out. In those instances, cryogenic containers become advantageous. If using cryogenic containers, there are options pertaining to the primary and secondary banks. If using a liquid manifold, a HP reserve manifold is required as back-up.

INTELLISWITCH MANIFOLD

The IntelliSwitch manifold is the product we will need to use if you are using a liquid-by-liquid application or high pressure. One of the unique features of the IntelliSwitch manifold is the flexibility.

When you push the button on the front, it allows you to identify what is being connected to this manifold. What this manifold's able to do is when you tell it what is connecting to it, it will understand what pressure is supposed to see based on the containers being attached.

When you liquefy the gas in the container, it introduces some challenges with the gas being in a cryogenic state. IntelliSwitch is able to address some of those challenges. One of the first features is the economizer function. For this example, we will say, that this bank is feeding the facility. When this bank is feeding the facility, this container is generating head pressure because the gas does not want to be in a liquid state. When it generates too much head pressure, that's when you're going to pop your pressure relief valve to protect the container. In a traditional liquid by liquid manifold, it blows off into the room.

The IntelliSwitch is able to monitor the pressure on the bank, feeding the facility. Still, it’s also monitoring the pressure of the bank, not feeding the facility when it starts to register, that the head pressure is getting to. The economizer feature just bleeds some of that gas off so that it's able to be used downstream and you don't waste it. All of this happens in reverse with the lookback feature.

The lookback feature will do a soft switchover, and start drawing some of the gas from this bank, but then it keeps looking back. When this generates enough head pressure, it uses it. If it notices that there is no type of gas or that its completely empty, it’ll switch to the alternative. So instead of wasting 30% of gas in the container, only 5% will be wasted. The majority of verifiers say that this is a safer product because you are constantly getting readouts from both, meaning you know exactly what the pressure is.

ALARMS

For the manifold, there are local and master alarms. The local alarms are physically on the cabinet and are going to have either green or red lights. These lights will be next to a few phrases; ready, in-use, and replace.

For reference, you should have two green lights for ready, which means you now have a demand. For this example, let’s say this is your primary bank. When it’s depleted, the red light will be next to “replace” and the green light will be next to “ready” and “in-use.”

At your master alarm, you have a low-pressure line, high-pressure line, and reserve in use. They are actually being read by the main line pressure switch downstream of the source valve, but then you have your changeover alarm. Similarly to the local alarm, if the red light for “replace,” it is telling you to change over. You will need to address getting the bank changed out within a specified timeframe.

For liquid by liquid, we have those same three alarm points at the master, but we also have to have two more points at the master alarm, called reserve in use. As mentioned, for liquid-by-liquid applications, you have your two cryogenics and your high pressure. If your cryogenic containers have both failed, we will take off our “reserve-in-use” for the high-pressure reserves. The reserve manifold will trigger an alarm at the master.

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Medical Gas Pipeline System | NFPA 99 & CSA Standards | Pattons Medical

Medical Gas Pipeline Systems are more safe & reliable that meet NFPA 99 Standards. It provides medical gases with accurate pressure and flow rates.

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Medical Scroll Compressor compliant with NFPA 99 standards

The smallest medical air packages available include filters, dewpoint monitors, desiccant dryers & CO monitors in Pattons Medical Scroll Air Compressor combinations.

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MEDICAL AIR COMPRESSORS IN THE HEALTH CARE MARKET

Medical air compressors are essential to healthcare facilities and play a crucial role in various medical applications. Pattons Medical offers an extensive range of compressed air products for the healthcare industry, including medical air packages, medical vacuum packages, laboratory packages, outlets, zone valves, alarms, and manifolds.

Here are some ways medical air compressors are used in healthcare:

Supplying Breathing Air: Medical air compressors are used to generate a continuous supply of clean, compressed air for respiratory therapy, anesthesia, and critical care. Ventilators, respiratory support devices, and anesthesia machines deliver this air to patients, ensuring consistent breathable air flow for patients requiring respiratory support.

Pattons Medical air compressors are available using Scroll, Reciprocating, and Rotary Screw technology. Our air compressors have several features and benefits:

NFPA 99 compliant

Utilizing proven Hitachi oil-less medical air reciprocating compressors and medical scroll compressors available in base mount-single point connection, modular and tank mounted versions

Multiplex configurations

HMI controls on all units

Built-in vibration isolation

Fully piped, wired and tested before shipment

Purge saving desiccant dryers for superior dew point performance

Operating Surgical Instruments: Compressed air is used to power pneumatic surgical instruments such as drills, saws, and other surgery tools. These instruments require a reliable compressed air source to operate efficiently and provide precision during procedures.

Laboratory Applications: Medical air compressors are used in various laboratory applications, including air supply for chromatography systems, air drying, gas chromatography, and mass spectrometry. They provide a clean and reliable compressed air source for analytical and diagnostic purposes.

Pattons Medical offers oil-less Scroll technology by Hitachi, creating quiet, smooth-running, long-lasting, proven technology.

Vacuum Systems: Medical air compressors are often used in conjunction with vacuum systems in healthcare settings. These systems create suction for various applications, including wound drainage, surgical suction, and central vacuum systems for general cleaning and waste disposal.

Proven reliable pump designs

Low cost of ownership

Dedicated Engineering Support

On-time production and delivery

Start-up Assistance

Operation and maintenance training

Pump exchange program

Extensive parts inventory

Patient Monitoring: Medical air compressors are used in certain patient monitoring systems that require compressed air for operation. For example, some non-invasive blood pressure monitors and oscillometric devices rely on compressed air to inflate and deflate cuffs for accurate readings.

Pattons Medical air compressors adhere to all NFPA 99 and CSA standards in order to meet the stringent requirements of healthcare environments. These standards require the necessity for air to be clean, dry, and contaminant-free to ensure patient safety and prevent infections. Regular maintenance, monitoring, and filtration systems are crucial to maintaining the compressed air quality used in healthcare applications.

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Title

Medical Gas Outlets - Pattons Medical USA

Description

Pattons Medical Gas Outlets are Designed For Gas Distribution in Centralized Areas of Hospitals, Dental Clinics, Veterinary Facilities, Patient Rooms,Surgery Centers

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Pattons Medical Gas Outlets are Designed For Gas Distribution in Centralized Areas of Hospitals, Dental Clinics, Veterinary Facilities, Patient Rooms,Surgery Centers.

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Role and Advantages of Mobile Medical Gas Solutions in Healthcare industries

Role and Advantages of Mobile Medical Gas Solutions in Healthcare industries

The US Federal Emergency Management Agency (FEMA) commissioned Pattons Medical to provide mobile acute care units to serve COVID-19 hotspots in the rural USA.

EXECUTIVE SUMMARY

FEMA’s mission is helping people before, during and after disasters across the the USA. During the COVID-19 pandemic, the demand for critical healthcare in rural parts of the country rose rapidly while hospitals were overstretched with COVD-19 patients. Quick to act, FEMA introduced a medical solution comprising of innovative mobile acute care units ensuring healthcare was more accessible to rural Americans during the pandemic.

INDUSTRY OVERVIEW

The World Health Organization (WHO) has predicted that Chronic Obstructive Pulmonary Disease (COPD) will be the third leading cause of death worldwide by 2030. With other respiratory diseases like COVID-19 on the rise, oxygen is increasingly being used to treat patients.

With a CAGR of 8.1%, the medical gases and equipment industry is expected to cross $18 billion globally by 2027, according to CMI.

ORGANIZATION OVERVIEW

FEMA established in 1979 to help in disaster efforts. The agency helps coordinate resources during emergencies that overstretch local and state capabilities. The agency seeks to unify and professionalize emergency management throughout America. To achieve this goal, FEMA works towards empowering everyone with the information they need to prepare for disaster impact.

CUSTOMER CHALLENGE

About 60 million Americans (around 19%[iii] of the total population) live in rural areas, according to the Centers for Disease Control and Prevention (CDC). 

For more details:

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Medical Gas Manifold Systems - Pattons Medical USA