By NABO Plastic – The wholesale manufacturer of plastic packaging with over ten years of experience
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As a seasoned manufacturer of trigger sprayer, we’ve gained vast expertise in wholesale plastic packaging. Over the years, we’ve answered countless queries and built a rich knowledge base about trigger sprayer.
In this article, we’re eager to share our insights, taking you through the intricate world of trigger spray nozzles while unveiling the secrets to manufacturing success.
Whether you’re a novice or a seasoned professional in trigger sprayers, this guide is a valuable tool for research beginners and those ready to purchase.
This could be the most thorough guide to trigger sprayer guide you’ve ever read!
A trigger sprayer is a versatile device composed of 12 to 15 components for dispensing various liquids. Its ergonomic design allows for comfortable use, accommodating 2 to 3 fingers on the trigger. The content within a corresponding plastic bottle is dispensed when the trigger is activated. The method of dispensation – be it as a spray, a stream, a fine mist, or foam – is dictated by the type of nozzle attached. The amount of liquid dispensed varies from 0.25ml to 3.5ml per stroke.
A trigger sprayer is affixed to a bottle by screwing the pump onto the bottle’s compatible neck. The standard closure or collar threads and an internal PE gasket establish a seal between the sprayer and the bottle. At the same time, the dip tube extends to the bottle’s bottom to maintain contact with the liquid.
When you press the trigger, the pump activates the spring, which propels the internal piston, drawing liquid from the bottle into the pump body. This liquid first passes through a glass or plastic ball valve, which controls the amount of content entering the pump body.
Once the pump body fills with liquid, displacing the air, each trigger press delivers the content to the nozzle. A spray valve at the nozzle creates suction in the pump, drawing the liquid into the dip tube. When the nozzle switches to the working mode, the valve opens, and the nozzle forces the liquid through a small hole, producing a liquid flow.
Adjusting the nozzle allows you to dispense the liquid in various forms: spray, stream, fine mist, or foam. The spray nozzle acts as a one-way valve, preventing air inflow into the pump.
You can switch the nozzle to closed mode after use to prevent drips and accidental triggering, particularly by children.
Trigger sprayers are versatile tools for dispensing various liquid products in multiple settings. Their applications include the following:
The production of trigger sprayers involves several stages, which include:
We categorize trigger sprayers into four main styles based on appearance and function, with two additional specialty styles.
Also known as standard trigger sprayers, these are common choices for daily cleaners. The square nozzle, adjustable by turning clockwise or counterclockwise, lets you choose between “spray,” “stream,” or “off” settings.
Furthermore, the design of the pump body results in three sub-types:
The trigger sprayer nozzle, or head of the sprayer, plays a pivotal role in determining how the liquid dispenses. Four main types of dispensing options exist for trigger pumps:
We hope the previous sections (5 and 6) have helped you identify the style of trigger spray pump you need.
If you want to learn more, please visit our website Trigger Spray Bottles Wholesale.
However, the selection process might be more complex, involving other factors such as neck finish, color, and dip tube length.
Here, we aim to simplify this decision-making process for you.
For more information on neck finish sizes, please refer to our comprehensive Guide to Neck Finish.
We offer a wide range of color choices for each component of the trigger sprayer. You can select from our existing content or customize your color to match your packaging aesthetics. Here are some options:
With a trigger spray pump’s internal mechanism already assembled — including the pump, piston, spring, ball valve, and inner body — various styles emerge by combining different trigger sprayer nozzle designs, trigger, collar, and outer cover designs. The possibilities are limitless as long as we continue to develop new molds for new designs.
Once you grasp these combinations, it’s easy to customize your ideal sprayer or even create a market sensation with our design options and replacements. We’ll use a general-purpose trigger sprayer as an example to illustrate our comprehensive customization services.
Some of the customizations mentioned earlier are readily available, while others might take more time. If you need help with the style to opt for, we recommend looking at the Trigger Sprayers on our website. While these products represent just a fraction of the customizations mentioned above, they are the top sellers, market favorites, and the latest additions to our line-up.
We maintain a stock of most sprayers to meet our customers’ immediate needs. If any model catches your eye, we’ll provide free samples for a closer examination before you make a formal order.
Should you be drawn to a specific style and considering a large-scale order, we invite you to Request a Competitive Quote.
Our factory constantly develops and adds the newest offerings to meet customers’ needs. Our sales representative and the expert team always stand by to help you find the best packaging solution for your requirements. If you still need help finding a suitable trigger sprayer, don’t hesitate to contact us. We’re just a message away!
Spray bottles are an extremely useful type of machine and an excellent demonstration of basic plumbing principles. A spray-bottle head is made up of only a few parts. It has a trigger lever, which activates a small pump. This pump is attached to a plastic tube that draws cleaning fluid from the bottom of the reservoir. The pump forces this liquid down a narrow barrel and out a small hole at the gun's muzzle. The hole, or nozzle, serves to focus the flowing liquid so that it forms a concentrated stream.
The only complex element in this design is the fluid pump, and it's about as simple as they come. The main moving element is a piston, housed inside a cylinder. Inside the cylinder, there is a small spring. To operate the pump, you pull the trigger back, pushing the piston into the cylinder. The moving piston compresses the spring, so when you release the trigger, the piston is pushed back out of the cylinder. These two strokes of the piston, into the cylinder and out again, constitute the entire pump cycle.
The downstroke, the piston pushing in, shrinks the area of the cylinder, forcing fluid out of the pump. The upstroke, the spring pushing the piston back out, expands the cylinder area, sucking fluid into the pump. In a spray bottle, you need to suck cleaning fluid in from the reservoir below and force it out through the barrel above. In order to get all of the fluid moving through the barrel, the pump must only force the fluid up -- it cannot force the fluid back into the reservoir. In other words, the fluid must move through the pump in only one direction.
The device that makes this possible is called a one-way valve. A spray bottle has two one-way valves in the pumping system: one between the pump and the reservoir and one between the pump and the nozzle. Typically, the valve between the pump and the reservoir consists of a tiny rubber ball that rests neatly inside a small seal. The sides of the seal are angled so that the ball won't fall through. Depending on the design, either gravity or a small spring holds this ball against the seal so that the water passageway is blocked off when you are not pumping. When the piston moves out (when you release the trigger), the expanding area of the cylinder sucks on the fluid below, pulling the ball up out of the seal. Since the ball is lifted up, fluid is free to flow from the reservoir. But when you squeeze the trigger, the outward force of the moving fluid pushes the ball into the seal, blocking off the passageway to the reservoir. Consequently, the pressurized fluid is pushed only into the barrel.
In a spray mechanism, the one-way valve between the pump and the nozzle is a sort of cup, which fits over the end of the barrel. On the upstroke, the inward pressure from the pump pulls the cup against the barrel, so air can't flow in through the nozzle. On the downstroke, the fluid pushing out lifts the cup off the barrel slightly and flows on through the nozzle. Without this second one-way valve, the pump system wouldn't be able to draw fluid up from the reservoir because there would be no suction (no drop in air pressure). The upstroke wouldn't lower the air pressure in the pump; it would only draw in more air to maintain that pressure.
This valve also works as a shut-off system. When you screw the nozzle piece in, it pushes the valve cup tightly against the barrel, so you can't force any liquid out. When you loosen the nozzle piece, there is enough room for the valve cup to move back and forth.
When you use a spray bottle for the first time, you have to squeeze the trigger a couple of times to spray any cleaning fluid. There are two things causing this delay:
Contact us to discuss your requirements of Plastic Spray Bottle Supplier. Our experienced sales team can help you identify the options that best suit your needs.