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Kelly Supply Company caters to industrial, plumbing and electrical MRO and finished goods needs. We accept the special order challenge and specialize in locating hard-to-find or specialty items by networking with over 1,000 vendors and manufacturers. Over 30,000 items are always in stock!

Visit our History and Archives page, documenting our company's 100 year + history and commitment to customer satisfaction.

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Pex Piping

Pex piping was first used as radiant heating in floors of chicken coops. Since that time it has been primarily used for in floor heating systems. More recently more plumbers have been using Pex piping for water supply lines as an alternative to the traditional steel, copper and PVC.

Pex is very flexible with can easily bend around corners without the need for joints and elbows. When supply lines have less joints you have a lesser chance for leaks and faster response times for hot water.

Installation of Pex piping is much faster which reduces labor costs and is more energy efficient because it does minimize heat loss from the water.

Types Of Bearings

We have all heard about ball bearings, which are used in many different mechanical items but bearing come in many different shapes and sizes and do a wide variety of operations.

There are six types of bearings:

Plain Bearings
Rolling Element Bearings
Jewel Bearings
Fluid Bearings
Magnetic Bearings
Flexure Bearings

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TOTO’s Dual-Max® flushing system, found on several of our most popular High Efficiency Toilets, offers the option of a …

Different Types Of Plumbing Pipe

Plumbing pipe has two major categories, which are plastic and metal. In the plastic category you have polyvinyl chloride (PVC), Chlorinated polyvinyl chlorined (CPVC), PEX Pipe and Poly Pipe. The metal category  has Copper, stainless steel, and galvanized steel.

Listed are the descriptions for each …

Information On Black Mold

We have all heard about the dangerous black mold in homes with high humidity levels or water damage. In this article we will explain how to identify the mold and how to get rid of it.

There are several types of mold found inside homes and buildings.

Aspergillus – most common and found on damp woods like studs.
Cladosporium – Found inside air ducts.
Fusaruim – Found in places with extensive water damage, underneath carpet and insulation.
Penicillium – Found in insulation and on wallpaper
Stachybotrys – Found on tiles, wallpaper, insulation and sheet rock.

You can usually tell if mold is present in a room if that room has a strong musty smell, discoloration on walls and peeling paint. Mold colors van vary, they can be anywhere from a brownish yellow, dark green or black in color.

Tips On Winterizing Your Home

School has started in many areas which means it’s almost fall and then winter will be right around the corner. Now is a perfect time to start winterizing your home.

So lets get started, first and probably the most important place to start would be …

Recognize A Gas Leak & Tips On What To Do

Gas has a distinctive odor and most times you can locate the source of the leak by following this odor. If you smell gas you should temporarily turn off the power to the home until you can locate the source this will reduce the risk of the gas being ignited.

Some places to check for a gas leak would be your gas stove, see if the pilot light has gone out if that is not the case check to make sure all the burners and the oven are turned to the off position. Next check your gas water heater to make sure the lines have not come loose. If you find a loose connection and feel comfortable enough to fix it yourself follow these instructions:

What is EPDM

Epdm or ethylene propylene diene monomer, is a synthetic rubber product most commonly called Epdm rubber which is strong, flexible, resists decay and is used in a wide variety of materials.

Epdm was developed in the early 1960’s by inventors seeking a roof …

Plumbing Supplies – What A Plumber Needs

Plumbers rely on a number of tools to do many different jobs on any call they go on.
Some of the things you will find in a plumbers tool box are:

Wrenches – adjustable and pipe wrenches, adjustable for different types and sizes of nuts and bolts, pipe wrench for threaded pipes and attaching or removing pipe fittings.
Pliers – adjustable rib joint pliers to grip different sized objects, locking pliers for clamping nuts and bolts.
Pipe Cutters – used to dismantle copper and steel pipes, plastic tube cutters can also come in handy.
Drain Tools – such as a toilet plunger, pipe snake, sink plunger, hydraulic blow bag, toilet plunger, and a drain auger.
Measuring Tape – to measure length of pipe for jobs
Screwdrivers – for tightening or loosing different parts

Hazardous Waste Classes

The definition of hazardous waste is any substance that may pose a danger to human health or the environment.

There are eight broad classifications and one miscellaneous category which include asbestos.

The following is the list of the eight categories:

Explosives – this substance is anything that …

Different Types of Adhesives

A adhesive is a product that bonds two surfaces together, there is two main types of adhesives and they are permanent and non permanent.

When you are working with a surface that will need a permanent bond the types of adhesive you will want are:

Super Glue – very powerful type of glue that is water resistant and will nond most non porous surfaces including skin, so use caution.
Epoxy – this consists of two liquids, one is the resin and the other is a hardner, combined they create a permanent bond – epoxy holds it form so it can be cut or sanded after it’s cured.
Adhesive Tape – roll of tape which is placed between both surfaces to bond together – great for photos and scrapbooking.
Plastic Adhesive – this is just what it sounds like and adhesive that works best in bonding plastic items together.

Solenoid Valves

Solenoid valves have been in use for thousands of years, they are used to control the flow of fluid or gases. The solenoid is the electromagnetic part of the valve comprised of a coil, coretube, and enclosure. The can range in size anywhere from as small as your pinky to gigantic.

Some common uses for solenoid valves are to control elements in fludicis, in central heating systems, automatic sprinkler systems, and are also used in the paintball industry to control a larger valve used to control the propellant.

What is Threadlocker?

Screws and bolts have always been known to loosen due to vibration, parts will fall off and with this it can cause some serious safety hazards. This is the reason threadlocker was invented.

A threadlocker is a liquid polymer that you put on the threads of the bolt before you tighten it in place, the polymer will set up with the absence of air, which will seal the threads in place preventing them from becoming loose from further vibrations.

There are three strengths of threadlocker

Types Of Ball Valves

A ball valve is a device used to control the flow of liquids through a pipe or equipment. Every ball valve has a handle that moves the ball that will open or close a round hole.

There are five general types of body styles, they are single body, three piece body, split body, top entry, and welded.

The three types of ball valves are:

Full Port – Allows no restrictions on the flow of liquids through the pipe – ball is oversized.
Standard – does not have an over sized ball, it is usually one size smaller than the pipe used when fluid needs to be restricted slightly.
Reduced – Valve has a smaller hole than the pipe to control the flow from one side to the other.

Caulking – The Five Most Common Types

We have all done it, walked into a store, found the caulk isle and stood there scratching your head asking yourself  “OK, which one do I need?”.

First you have to decide some things… is it going to be used indoors or outdoors, does …

Emergency Generators

Power outages happen and a lot of times you have no control when you will get power restored. This is the time for a generator. A generator is used as an emergency power supply, any device needing power can be plugged into it and draw power from it.

There are two types of emergency generators -

Standby – is permanently connected to your electrical system, they have large fuel tanks and can run for long periods of time. Standby generators produce large amounts of kilowatts
Portable – are smaller in size, have smaller fuel tanks, produce less kilowatts and will only run for short periods of time.

Most Common Electrical Safety Hazards

In every home or work place there is a number of electrical safety hazards, with our increased dependence on electricity there has been a rise in electrical fatalities throughout the years. The most common victims are children who are not carefully supervised. Next common …

PVC Pipe Cutter Saftey Tips

A PVC pipe cutter is a tool designed specifically to cut pvc pipe and nothing else. Using a pvc pipe cutter is a much safer way to cut than using a saw or some of the other tools out there.

Just like any tool a pvc pipe cutter can be dangerous if not used properly, here are some tips to ensure your safety.

PVC can and will splinter or send shards flying off towards you, since this can happen it is important to wear safety goggles – not just glasses since the goggles provide more protection. You should also be sure to wear gloves when handling pipe, gloves will protect you against slippage of the tool and provide a better grip on the pipe.

Old PVC Pipe? Dispose Of It The Eco Friendly Way

Have you done some remodeling lately, put new pipes in your home, do you need or want an eco friendly way to dispose of your old PVC pipe?

Here are some new ideas:

Recycling – Many communities have a recycling program that …

Bathroom Sink Faucets

There is such a wide variety of faucets to choose from nowadays it can make the decision process that much harder. In the list below you will find the five most common types of bathroom sink faucets hopefully this list will help make your decision easier.

First you have a widespread faucet, this is a very flexible type of faucet, it has three different pieces that consist of two handles and one spout and has a standard spread which can be spread starting from six inches to twelve inches. This type of faucet has one handle for cold and one handle for hot water, it is easy to clean and maintain.

Next is the center set faucet, this type has a standard 4-inch drill and two handles, with the handles mounted on a plate. The center set is best for smaller spaces since the handles are closer to each other, these are sometimes a little more difficult to clean since they are a smaller and compact design.