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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28
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Description
ZS-QBY-K25 China Mini Air Operated Pneumatic Pumps Diaphragm Water PumpDescription This pneumatic diaphragm pump can be used as a front step transmission device of the solid and liquid separation equipment,it can pump paste like peanut butter,tomato slurry,chocolate,etc. It can be install in different methods with different equipment to realize different function. *Specifications are for reference only and may vary by your product. Please confirm with us if required. The compression air enters the air distrbution valve
Description：
This pneumatic diaphragm pump can be used as a front-step transmission device of the solid and liquid separation equipment,it can pump paste like peanut butter,tomato slurry,chocolate,etc.It can be install in different methods with different equipment to realize different function.
*Specifications are for reference only and may vary by your product. Please confirm with us if required.
The compression air enters the air distrbution valve from(E) shown as the diagram,let the diaphragm piece move towards the right direction.And the suction force in (A) chamber lets the medium flow into from (C) entrance push out the ball valve(2) to enter (A) chamber,the ball valve(4)will be locked due to the suction force;The medium in (B) chamber will be pressed,push out the ball valve(3)to flow out from the exit(D) .Meanwhile,let the ball valve (1)close, prevent backflow . Such movement in circles will let the medium uninterruptedly suck from (C) entrance and drain from (D)exit.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Easy install and looks good
Exactly as expected. Easy to install and look great.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Extremely satisfied
Size: 24x5.8, Color: Black, Size: 24x5.8, Color: Black
Very nice. I am extremely happy with them. I used painters tape to hold the bracket in place while I screwed it in, worked like a charm 😁 holds a lot of items
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Reviewed in the United States on April 11, 2026
★★★★★ 3
Good enough
Size: 15x6.8, Color: Black
As cheap as the day is long but functional. These are basically made out of highly compressed paper and finished to feel like wood. The first one I put up was good with a little tilt to the back which is fine. The second one has a more severe tilt and I had to bend the bracket down to decently level it out. They are sturdy enough to hold quite a bit of weight and look good for what they are. I'm not impressed but I'm also not disappointed, the price is a bit steep for what they are but they serve their purpose.
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Reviewed in the United States on November 15, 2025
★★★★★ 4
Great, but bring your own inserts.
Size: 24x7.9, Color: Black
These work great, easy to install. Happy with them. Only problem was the instructions say don’t use the include inserts on wallboard, which meant I had to go out and purchase my own. That’s OK, because I like to use inserts I trust.
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Reviewed in the United States on December 9, 2025
★★★★★ 5
Sturdy and attractive
Size: 15x6.8, Color: Black, Size: 15x6.8, Color: Black
Love the shelves, great quality and design. They are very sturdy and perfect for my need. I ordered wine glass holders from Amazon and attached them to the shelves. Impressed and amazed at the look.
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Reviewed in the United States on November 18, 2025
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