---
product_id: 396716146
title: "Uenhoy 5 Pcs 1/2\" Check Valve - 12mm Plastic One Way Non-Return Valve for Fuel, Gas, Air, Liquid"
brand: "uenhoy"
price: "€ 34.09"
currency: EUR
in_stock: true
reviews_count: 5
category: "Uenhoy"
url: https://www.desertcart.com.cy/products/396716146-uenhoy-5-pcs-1-2-check-valve-12mm-plastic-one
store_origin: CY
region: Cyprus
---

# One-way flow, prevents backflow perfectly Wide temp range -30°C to 140°C Durable PP plastic, rust & wear resistant Uenhoy 5 Pcs 1/2" Check Valve - 12mm Plastic One Way Non-Return Valve for Fuel, Gas, Air, Liquid

**Brand:** uenhoy
**Price:** € 34.09
**Availability:** ✅ In Stock

## Summary

> 🔧 Keep your flow flawless — never look back!

## Quick Answers

- **What is this?** Uenhoy 5 Pcs 1/2" Check Valve - 12mm Plastic One Way Non-Return Valve for Fuel, Gas, Air, Liquid by uenhoy
- **How much does it cost?** € 34.09 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/396716146-uenhoy-5-pcs-1-2-check-valve-12mm-plastic-one)

## Best For

- uenhoy enthusiasts

## Why This Product

- Trusted uenhoy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from high-quality polypropylene for unbeatable durability and corrosion resistance.
- • **Precision Fit:** Compact 1/2" size with pagoda-shaped card slot ensures secure, non-slip installation every time.
- • **Risk-Free Purchase:** Backed by responsive customer service and a 30-day full refund or replacement guarantee.
- • **Universal Application:** Ideal for automotive, machinery, agriculture, and household fluid or pneumatic systems.
- • **Versatile Performance:** Operates flawlessly across extreme temperatures and resists acids, alkalis, and organic solvents.

## Overview

The Uenhoy 1/2" check valve is a robust, polypropylene one-way valve designed to prevent fluid or air backflow. Measuring 39mm in length and 12.5mm in diameter, it withstands temperatures from -30°C to 140°C and resists corrosion from acids, alkalis, and solvents. Perfect for automotive, industrial, and household applications, it combines durability with precision fit and is supported by a 30-day satisfaction guarantee.

## Description

About Uenhoy Uenhoy is a store focus on produce and sale hardware fittings and other accessories. We devote to providing high quality, reasonable price product and superior service to worldwide. Specification - Material: PP (Polypropylene) - Length: 39mm / 1.53 inch - Max. Diameter: 22mm / 0.86 inch - Inner Diameter: 8.3mm / 0.32 inch Package Included 5pcs x Non Return Check Valve Warmly Tips 1. Please allow 1-3mm error due to manual measurement. 2. Please allow slight color difference due to different monitor. After-Sales Service If you are not satisfied with the item or the product has any quality problem, feel free to contact us with email or message. We are always at your service. We will offer unhesitatingly 100% full refund or product replacement within 30 days.

Review: Thank you. Will update review in the future if these start breaking
Review: Do its work perfectly, higly recomended.

## Features

- Material & Dimension -- The 1/2" check valve is made of high quality PP material, wear resistant, rust resistant, not easy to break, durable. The check valve measures 39mm/1.53" in full length and 12.5mm/0.49" in diameter.
- Advantage -- The gas check valve is designed with a pagoda shaped card slot, non-toxic, non-slip, with strong adsorption performance and good air tightness.
- Performance -- Working tempeture: -30 ℃ - 140 ℃. Under 80 ℃, has strong resistance to acid, alkali, salt and good corrosion resistance to organic solvent.
- Application -- The one way check valve is applied for fluid system to prevent fluid from flowing backward, or for pneumatic system to prevent reverse flow of compressed air. Widely used in automotive parts, machinery industry, agriculture, household appliances, etc.
- Satisfactory After-Sales Service -- Uenhoy is devoted to providing high quality service. Please feel free to contact us if the item has any quality problem. Your satisfaction is our biggest power.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09CYPC3RB |
| ASIN  | B09CYPC3RB |
| Batteries Included? | No |
| Batteries Required? | No |
| Customer Reviews | 4.2 4.2 out of 5 stars (52) |
| Customer reviews | 4.2 4.2 out of 5 stars (52) |
| Date First Available | 26 October 2021 |
| Date First Available  | 26 October 2021 |
| Item Weight | 23 g |
| Item model number | 5 |
| Item model number  | 5 |
| Manufacturer | Uenhoy |
| Manufacturer  | Uenhoy |
| Material | Plastic |
| Package Dimensions | 7.62 x 5.08 x 1.9 cm; 23 g |
| Package Dimensions  | 7.62 x 5.08 x 1.9 cm; 23 g |
| Part number | Uenhoy210818-013 |
| Size | 1/2" |

## Product Details

- **Brand:** Uenhoy
- **Exterior finish:** Plastic
- **Inlet connection size:** 0.32 Inches
- **Inlet connection type:** Solvent
- **Material:** Plastic

## Images

![Uenhoy 5 Pcs 1/2" Check Valve - 12mm Plastic One Way Non-Return Valve for Fuel, Gas, Air, Liquid - Image 1](https://m.media-amazon.com/images/I/41jU-kDanxL.jpg)
![Uenhoy 5 Pcs 1/2" Check Valve - 12mm Plastic One Way Non-Return Valve for Fuel, Gas, Air, Liquid - Image 2](https://m.media-amazon.com/images/I/51B-hysiuGL.jpg)
![Uenhoy 5 Pcs 1/2" Check Valve - 12mm Plastic One Way Non-Return Valve for Fuel, Gas, Air, Liquid - Image 3](https://m.media-amazon.com/images/I/51v+eLNZRfL.jpg)
![Uenhoy 5 Pcs 1/2" Check Valve - 12mm Plastic One Way Non-Return Valve for Fuel, Gas, Air, Liquid - Image 4](https://m.media-amazon.com/images/I/6187YvyEAFL.jpg)
![Uenhoy 5 Pcs 1/2" Check Valve - 12mm Plastic One Way Non-Return Valve for Fuel, Gas, Air, Liquid - Image 5](https://m.media-amazon.com/images/I/61d8FLxHSFL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by L***Y on 22 May 2024*

Thank you. Will update review in the future if these start breaking

### ⭐⭐⭐⭐⭐ Review
*by I***A on 16 November 2023*

Do its work perfectly, higly recomended.

### ⭐⭐⭐⭐ Review
*by V***E on 19 September 2025*

They work fine as advertised but they are very small

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---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-06*