Would this valve be effective in a air/vapor system?

yes, the valve can works in air system

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

This is a small check valve used for something like allowing a vacuum to be pulled in a single direction. It would not be appropriate for use with a fluid pump unless it is simply being used as part of a venting system to remove air from the pump prior to use.

Do you install before fuel pump or close to carburetor

Hi, it depends on your application, it usually installs close to the tank but you can put it closer to the fuel pump if you want. in any event it goes before the fuel pump as your trying to stop flow back.

Will this fit to Mazda Protege 2.0? Reference: 8574-20-309

This check valve will fit any 1/4 or 6mm fuel line.

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1/4" 6mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2

1/4" 6mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2

Product ID: 404144260

Details

Material
Aluminium
Brand
EVIL ENERGY
Exterior Finish
Silver
Inlet Connection Size
0.25 Inches
Inlet Connection Type
Flange
Outlet Connection Type
NPT

💧0.2-6 bar Pressure

🔧Aluminum Alloy

🌡️-22℉ to 266℉ Temp

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₨780

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Description

🔗 Seal the Deal with Confidence!

🔒 SECURE SEAL - Equipped with a robust NBR rubber gasket and O-ring for leak-proof operation.
🚀 UNMATCHED DURABILITY - Crafted from premium aluminum alloy for long-lasting performance.
🇺🇸 QUALITY ASSURANCE - Manufactured in the USA, meeting CE specifications for peace of mind.
🌍 VERSATILE COMPATIBILITY - Perfect for water, petrol, diesel, and more—your go-to for diverse fluid systems.
💪 HIGH PRESSURE TOLERANCE - Handles pressures from 0.2 to 6 bar, ensuring reliability in various applications.

The EVIL ENERGY 1/4" Non Return One Way Check Valve is a high-performance solution designed for fuel lines and low-pressure systems. Made from durable aluminum alloy with a stainless steel spring, it operates efficiently across a wide pressure range and temperature spectrum, making it ideal for various fluids including petrol and diesel. This pack of two ensures you have the reliability you need for your automotive or industrial applications.

Specifications

ASIN	B085G7JVSM
Best Sellers Rank	#118,503 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #28,164 in Car Parts
Brand	EVIL ENERGY
Brand Name	EVIL ENERGY
Customer Reviews	4.5 out of 5 stars 2,812 Reviews
Exterior Finish	Silver
Inlet Connection Size	0.25 Inches
Inlet Connection Type	Flange
Item Type Name	check valve
Manufacturer	Speedwow Tuning
Manufacturer Part Number	EV01342S6SRCA1
Material	Aluminium
Material Type	Aluminium
Maximum Pressure	6 Bars
Model Number	EVFS01272S6BK
Number of Pieces	2
Number of Ports	2
Outlet Connection Size	0.25 Inches
Outlet Connection Type	NPT
Size	1/4
Specification Met	CE
Thread Size	1/4 inch
Thread Type	NPT
Unit Count	2 Count
Valve Type	Fuel Check Valve

Reviews

C**N

15.03.2026

C**S

20.01.2024

M**D

16.04.2024

Y**D

25.10.2022

G**D

13.04.2026

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In stock

Sold byAmazon SeychellesDelivered 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 Seychelles.

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TrustScore 4.5 | 7,300+ reviews

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