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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EVIL ENERGY 3/8" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black(10mm OD,2PCS)

Product ID: 295377376

Details

Brand
EVIL ENERGY
Exterior finish
Aluminum
Inlet connection size
0.38 Inches
Inlet connection type
Barb
Material
Aluminum

🔥6 bar max working pressure

⚙️3/8 inch (10mm) precision fit

❄️-22℉ to 266℉ wide temp range

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Description

⚡ Power your ride with precision and reliability — never miss a beat!

ONE WAY FLOW ASSURANCE - Stainless steel spring mechanism prevents fuel backflow, ensuring smooth starts and consistent engine performance.
PRECISION ENGINEERED FIT - 3/8 inch (10mm) OD ensures seamless integration with standard fuel lines for hassle-free installation.
ROBUST PRESSURE HANDLING - Operates reliably up to 6 bar (87 psi), maintaining stable fuel flow under demanding conditions.
DURABLE ALUMINUM ALLOY BUILD - Crafted from high-strength 6061-T6 aluminum with black anodized finish for superior corrosion and wear resistance.
EXTREME TEMPERATURE RESILIENCE - Performs flawlessly from -22℉ to 266℉, perfect for all-season and high-performance environments.

The EVIL ENERGY 3/8" Fuel Check Valve is a high-performance, inline non-return valve designed for carburetor and low-pressure fuel systems. Made from durable 6061-T6 aluminum alloy with a corrosion-resistant black anodized finish, it features a stainless steel spring to prevent fuel backflow and maintain system pressure. Rated for pressures up to 6 bar and temperatures from -22℉ to 266℉, this compact valve ensures reliable fuel flow and easy installation with barb connectors. Ideal for diesel, gasoline, and various fluids, it’s a trusted choice for professionals seeking dependable fuel system stability.

Specifications

ASIN	B08JJ1F79D
ASIN	B08JJ1F79D
Best Sellers Rank	#39,262 in Automotive ( See Top 100 in Automotive ) #4,622 in Automotive Replacement Engines & Engine Parts
Brand Name	EVIL ENERGY
Connector Type	Barb
Customer Reviews	4.4 4.4 out of 5 stars (3,117)
Customer reviews	4.4 4.4 out of 5 stars (3,117)
Date First Available	14 October 2020
Exterior Finish	Aluminum
Inlet Connection Size	0.38 Inches
Inlet Connection Type	Barb
Item model number	EV01342S10BK
Manufacturer	EVIL ENERGY
Manufacturer	EVIL ENERGY
Manufacturer Part Number	EV01342S10BK
Material Type	Aluminum
Maximum Pressure	6 Bars
Model Number	EV01342S10BK
Number of Items	2
Number of Pieces	2
Number of Ports	2
Outlet Connection Size	0.38 Inches
Outlet Connection Type	Barb
Package Dimensions	11.99 x 10.59 x 2.79 cm; 41 g
Set Name	2 pieces
Size	3/8
Specification Met	ANSI B1.20.1, ANSI B16.11, ASME B16.34, ASTM, CSA, EPA, ISO 9001, ULC
Thread Size	0.375 pulgadas
Thread Type	NPT
Unit Count	2.0 Count
Valve Type	check valve

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7779 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered 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 Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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