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2-pack quickun pvdf plastic inline check valves with 3/8" barb hose fitting for non-return flow control in fuel, oil, water, and gas pump systems logo

2-Pack Quickun PVDF Plastic Inline Check Valves With 3/8" Barb Hose Fitting For Non-Return Flow Control In Fuel, Oil, Water, And Gas Pump Systems Review

6

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Very good

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$$
Revainrating 4 out of 5  
Rating 
4.0
🔧 Fittings, 🚰 Hydraulics, Pneumatics & Plumbing

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Details

MaterialPlastic, Rubber
BrandQuickun
Exterior FinishPlastic,Rubber
Inlet Connection TypeBarb
Outlet Connection TypeBarb

Description of 2-Pack Quickun PVDF Plastic Inline Check Valves With 3/8" Barb Hose Fitting For Non-Return Flow Control In Fuel, Oil, Water, And Gas Pump Systems

【Material】The shell material is PVDF, and the Diaphragm material is silicon rubber. 【Diameter】 3/8" barb, can fit 3/8" hose ID. 【Performance】Normal performance under 25 °C to 60 °C,Strong resistance to acid, alkali, salt corrosion ability. 【Application】Check valve is used in fluid system to prevent reverse flow fluid, or used in pneumatic system to prevent reverse flow of compressed air. 【Total length】 43mm/1.69 inch

Reviews

Global ratings 6
  • 5
    2
  • 4
    3
  • 3
    0
  • 2
    1
  • 1
    0

Type of review

Revainrating 5 out of 5

Works Consistently but requires some pressure

The check ball seems to work good but it takes a bit of pressure to get it to move- it seems consistent but just know it takes a bit of pressure to get it to move - if you have a low pressure situation this might not be the one for you.

Pros
  • Perfect for my needs.
Cons
  • The plastic material used in these valves may not be recyclable or environmentally friendly, contributing to waste and pollution

Revainrating 2 out of 5

Not for soap dispensers

From reading some of the reviews I was under the impression that I was going to be able to use this for my soap dispenser under the kitchen sink. I was wrong! After several hours fiddling with it I realize that they require much more pressure than a soap dispenser produces in order to let soap to be sucked up. Waste of time. Don't bother.

Pros
  • Worked perfectly for my water softener drain line. No problems
Cons
  • It took too much pressure to overcome seat!

Revainrating 5 out of 5

Good fit. Good quality. Works great.

I used these in line for kitchen liquid soap lines that connected the pump at the counter to the larger containers under the sink. They work great. They stop the soap from falling back down to the container and requiring excessive pumping. They were easy to install. Shipped fast. Solid and good quality. Definitely does the job.

Pros
  • Worked and functions like it should.
Cons
  • Way too large. This is not a good product.

Revainrating 4 out of 5

Works well but takes too much pressure to open (for how I wanted to use it)

As a check valve these work great. However, for a gravity fed water application keep a water at a certain level from a float valve and to just prevent back flow these won't work well. The water has to be much higher on the supply side to get the valve to open. The height differential needed to open the valve is not always consistent. Therefore, you cant get consistent reliable results. I don't redcomend trying to use it for this type of application.

Pros
  • Worked great on old hand type tire pump that lost its check valve.
Cons
  • ok for purpose

Revainrating 4 out of 5

Can hold a vacuum - sort of

Pros:1) Inexpensive2) Can be used for air3) Can be used to hold a vacuum4) Works perfectly with a brake bleeder hand pumpCons:1) Requires an airtight cap to prevent a slow leak (I used rubber wire shelf end caps to seal)2) Arrow indicating flow direction very difficult to read on the valve

Pros
  • Great product!
Cons
  • Because these check valves are plastic, they may not be resistant to extreme temperatures or harsh chemicals, compromising their effectiveness in certain environments

Revainrating 4 out of 5

Worked a charm for the Y manifold on my air lines.

My air pump wasn't evenly distributing air to the stones in my reservoir. This little life savers installed in seconds and instantly worked. No issues setting them up at all. You can hear the valve rattle a little bit, but if you're in a situation like me, the air pump is definitely louder anyway! Great product, would buy again!

Pros
  • Worked great preventing air backflowing back to brake calipers when bleeding brake lines
Cons
  • The 2-pack design may be unnecessary for some users who only need one check valve, leading to wasted materials and higher costs