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Sprayer Depot Blog

Strainers: A Sprayer Companion

Posted by Sprayer Depot on Fri, Jul 18, 2014

One piece of equipment that is often overlooked is the strainer. Here we will dive into the importance of the strainer, or, as it is sometimes referred more simply, filters or screens. No matter what you call it, strainers are very important to reduce clogging, excessive erosion of spray tips and consistent fluid circulation of your sprayer equipment. As the name alludes, this part strains or filters debris to ensure even uninterrupted flow. 

To better understand the variety of strainers used on sprayers, we’ll discuss the most popular types of sprayer strainers used and review what strainer numbers mean.

Types of Strainers

Y strainer for sprayer equipmentShaped like the letter Y, the Y strainer is used in various agriculture and industrial liquid flow applications where the amount of debris that will be filtered is small. Often lightweight and made of polypropylene materials, the Y strainer is corrosion-resistant. Its cylindrical shape is very strong and meant to accommodate high pressures. These parts do have pressure ratings so make sure you choose the one that’s suitable for your sprayer system.

The T strainer is also shaped like its namesake, the letter T, but this part has a larger holding capacity so depending on its application it will go longer between cleanings. With the T strainer there is the option of purchasing the part with a clear T strainer with clear bowl for sprayer equipmentor white bowl, where the clear bowl offers the advantage of easy visibility to check for debris or chemical build-up. T strainers are good at trapping large particles and offer dozens of configurations, including self-cleaning strainers, designed for simple and quick cleaning and maintenance.

Built-in strainers, or tip strainers, prevent debris from entering the orifice or vane and can be used with a variety of standard and quick-connect flat spray, full cone, hollow cone and fine spray nozzles. These are used in conjunction with another type of strainer and filter out finer particles as a sort of last stop.

In general, most sprayer operations can benefit from adding line strainers or integral nozzle strainers. Though if you’re relying on tip strainers alone and these parts begin to plug frequently it may be necessary to add a single line strainer between the pump and the nozzle. From our experience, it’s much easier to clean a single strainer on the main line coming from the pump than to clean all of the individual tip strainers.

The Numbers

Strainer numbers represent the number of openings per square inch. The size can range from 10-200 mesh where high mesh numbers have smaller openings and result in a finer screen than low mesh numbers. So a 50 mesh means the strainer has 50 openings per inch. In general 100 mesh tip strainers are required for individual tips with a flow rate below 0.2 gallon per minute (gpm), 50 mesh between 0.2 and 1 gpm, and no strainer over 1 gpm. There are various strainer to sprayer tip combinations to provide the optimal psi, but for the sake of time we’ll save the topic of pressurization for later.

In considering the right size for your needs, keep in mind that the main strainer, often called inline or suction strainer, should be the same size or larger than the last strainer on the sprayer pump or boom. Though you don’t need to run strainers on each nozzle as long as you strain the water either into or directly out of all nurse tanks, have a main product strainer on the sprayer, and one strainer for each boom section of the sprayer. When in doubt, call the experts.

That’s not all. You also need to consider the type of product you’re spraying because fertilizers need a larger strainer than water based chemicals.

All in all, the strainer in your sprayer is one of the most important parts, but also one of the easiest to maintain. A clean and properly sealed strainer will allow proper flow to the pump and contribute to a longer pump life. If you’re looking for more on sprayer strainer maintenance, find out the 3 Reasons Why You Should Check Your Strainer in this post.

Topics: spray equipment, Sprayer Depot, Strainers, Sprayer Parts, sprayers, sprayer, strainer, sprayer strainer, spray tips, sprayer last longer, Sprayer Parts Guide, sprayer fitting, sprayer equipment, sprayer nozzle, T strainer, y strainer, line strainer, tip strainer, filter, screen, parts

10 Steps to Obtain Optimal Sprayer Performance with a Diaphragm Pump & Hose Reel

Posted by Marketing Manager on Wed, Oct 17, 2012

Contributed by guest blogger:  Mark Techler, Techler & Associates

Obtain optimal sprayer performance with a diaphragm pump and hose reel by following these guidelines:

To ensure proper hook-up of diaghragm pump and hose reel, see diagram below

  1. Place the outlet fitting in the lowest point in the tank, or in the sump
  2. Connect a ball valve to the outlet tee (or elbow) so you can turn off the flow in case you need to service the pump or check the line strainer
  3. Include a line strainer between the tank and the pump to prevent debris from clogging the pump, relief valve, gun and nozzle
  4. The tank outlet fitting, elbow, suction line and strainer should be one pipe size larger than the suction port of the pump; The suction line should be reinforced so it does not collapse, but remains flexible so it absorbs pulsation (A clear suction line helps you see air bubbles if there is is air entering the system)
  5. Even though diaphragm pumps prime well, try to posititon the pump lower than the tank for gravity feed
  6. Most diaghragm pumps include a "control unit" consisting of a relief valve, multiple discharge ports with ball valves, and a pressure gauge (It can be mounted on the pump or remote mounted - If a remote mount is used, do not put a shutoff valve between the pump and the control unit)
  7. Connect the relief valve bypass port with an unrestricted line to the top of the tank, venting to atmospheric pressure - DO NOT PUT A SHUTOFF VALVE IN THIS LINE OR CONNECT THE BYPASS LINE TO THE AGITATOR - Restrictions may prevent the relief valve from bypassing properly and may result in damage to the pump
  8. Connect one of the discharge lines to the agitator(s); It's okay to use a ball valve in this ine to throttle the flow
  9. Connect one of the discharge lines to the inlet swivel on the hose reel; It's okay to use a ball valve in this line; Do not use hard plumbing when connecting the discharge line to the hose reel swivel
  10. Connect the spray gun

HOOK UP Diagram for Hypro Diaphragm Pump and Hose reel

Topics: Hose Reel, diaphragm pump, strainer, hook up a sprayer, sprayer fitting

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