What is the opening force required for these valves

It isn't very much. I used one to replace the check valve in my door drain in my walk-in tub which would only have at worst a 3 -4 inches of standing water in the tube and It allowed the water to pass.

Will this work if tubing is laid sideways?

Yes it will work in any position.

Where do I put this on a portable a/c condensation line. Close to the unit or down the line further. It will be on a 10 ft clear flexible tubing?

If you using a condensate pump put it as close to the pump as you can. If you not using a pump and using gravity draining you don't need it.

Can this be used on a submersible 600gph water pump for the basement?

Check valves of this size are meant for use in smaller capacity pumps such as condensate pumps for air conditioners or dehumidifiers. Not for basement pumps.

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Quickun 1/4" One Way Inline Check Valve, Non Return Hose Barb, Ozone Resistance Plastic Valve for Fuel Oil Water Gas Pump Air, 2 Pcs

Quickun 1/4" One Way Inline Check Valve, Non Return Hose Barb, Ozone Resistance Plastic Valve for Fuel Oil Water Gas Pump Air, 2 Pcs

Product ID: 207597561

Details

Brand
Quickun
Exterior Finish
Plastic Rubber
Inlet Connection Size
0.25 inches
Inlet Connection Type
Barb
Material
Plastic Rubber
Number of Ports
2

🔄1/4" precise flow control

🔧Tool-free quick install

🛡️PVDF corrosion-resistant body

R$126

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Description

🔄 Keep your flow flawless, your systems safe, and your projects ahead of the curve!

DOUBLE PACK VALUE - Two 1/4" valves included, ensuring you’re stocked for multiple projects or backup needs.
BUILT TO BRAVE CORROSION - Crafted from high-grade PVDF plastic, engineered to resist chemicals, acids, and moisture for long-lasting durability.
UNIDIRECTIONAL FLOW MASTERY - Spring-loaded design guarantees zero backflow, protecting your pumps and systems from costly damage.
EFFORTLESS SETUP ZERO DOWNTIME - Tool-free installation means you’re up and running in seconds—no hassle, no fuss.
VERSATILE INDUSTRIAL COMMERCIAL POWERHOUSE - Perfect for hydraulic systems, pneumatic tools, irrigation, pool filters, and more—adaptable to your dynamic workflow.

The Quickun 1/4" One Way Inline Check Valve features a spring-loaded mechanism for reliable unidirectional flow, preventing backflow and pressure surges. Made from durable, corrosion-resistant PVDF plastic, it withstands harsh chemicals and moisture. Designed for easy, tool-free installation, this 2-pack valve set is ideal for industrial and commercial applications including hydraulic, pneumatic, irrigation, and pool systems.

Specifications

ASIN	B087PFHNTZ
Best Sellers Rank	#13,899 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Check Valves
Brand Name	Quickun
Connector Type	Slip
Customer Reviews	4.1 4.1 out of 5 stars (1,034)
Exterior Finish	Plastic,Rubber
Inlet Connection Size	0.25 inches
Inlet Connection Type	Barb
Manufacturer	Quickun
Manufacturer Part Number	1-2110-valve-2new
Material Type	Plastic, Rubber
Model Number	2
Number of Items	2
Number of Pieces	2
Number of Ports	2
Outlet Connection Size	0.25 inches
Outlet Connection Type	Barb
Size	1/4 inch
Specification Met	ASME B16.5
Unit Count	2 Count
Valve Type	Check Valve

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R$126

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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