---
product_id: 629255557
title: "QWORK 2Pcs Brass One-way Check Valve, 1/2\" Female to 1/2\" Male Thread of Backflow Preventer"
brand: "qwork"
price: "NT$1641"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/629255557-qwork-2pcs-brass-one-way-check-valve-1-2-female
store_origin: TW
region: Taiwan
---

# 1/2" threaded fit One-way flow control Durable brass build QWORK 2Pcs Brass One-way Check Valve, 1/2" Female to 1/2" Male Thread of Backflow Preventer

**Brand:** qwork
**Price:** NT$1641
**Availability:** ✅ In Stock

## Summary

> 🔧 Secure your flow, prevent the backflow—because your system deserves the best!

## Quick Answers

- **What is this?** QWORK 2Pcs Brass One-way Check Valve, 1/2" Female to 1/2" Male Thread of Backflow Preventer by qwork
- **How much does it cost?** NT$1641 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/629255557-qwork-2pcs-brass-one-way-check-valve-1-2-female)

## Best For

- qwork enthusiasts

## Why This Product

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

## Key Features

- • **Risk-Free Purchase:** Backed by a 30-day hassle-free return policy and responsive customer support.
- • **Versatile Application:** Perfect for water heaters, towers, toilets, and more—adaptable to your needs.
- • **Precision One-Way Valve:** Prevents backflow to protect your system and maintain clean flow.
- • **Corrosion-Resistant Brass:** Engineered for longevity and reliability in any plumbing setup.
- • **Universal 1/2" Threaded Design:** Seamlessly fits standard plumbing fixtures for easy installation.

## Overview

The QWORK 2Pcs Brass One-way Check Valve features a durable brass construction with 1/2" female to male NPT threaded connections, designed to prevent backflow in plumbing systems. Suitable for both vertical and horizontal installation, it ensures reliable, corrosion-resistant performance in water heaters, towers, and toilets. This pack of two valves offers professional-grade quality with a 30-day satisfaction guarantee, making it an essential upgrade for efficient and secure fluid control.

## Description



## Features

- Function: One-way check valve to prevent medium in the pipeline without backflow. It can be used to transmit gas and liquids under constant pressure. Vertical or horizontal levels can be used.
- Reliable Brass Construction: This high-quality Brass Check Valve is made from durable brass material, ensuring long-lasting performance and resistance against corrosion.
- Versatile Applications: Ideal for use in various scenarios, including water towers, water heaters, and toilets, this check valve ensures efficient operation and reliable water supply.
- Size: One-way flow of 1/2" Male to 1/2" Female Thread, please confirm the direction before procurement and installation. If the installation is reversed, the water will not come out.
- 100% Satisfied Service: Enjoy a smooth&worry-free return service within a month. And any questions feel free to contact us, we will be here for you.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Size | 1/2 inch |
| Material | Brass |
| Brand | QWORK |
| Colour | Female to Male |
| Connector Type | Threaded |
| Thread Size | 0.5 inch |
| Exterior Finish | Brass |
| Thread Type | NPT |
| Item Weight | 0.08 Kilograms |
| Number of Pieces | 2 |
| Manufacturer | QWORK |
| UPC | 734900620739 |
| Country of Origin | USA |
| Item model number | WD5767 |
| Package Dimensions | 10.3 x 9.6 x 2.6 cm; 80 g |
| ASIN | B09LTW2ZK2 |

## Product Details

- **Size:** 1/2 inch
- **Material:** Brass
- **Brand:** QWORK
- **Colour:** Female to Male
- **Connector Type:** Threaded
- **Thread Size:** 0.5 inch
- **Exterior Finish:** Brass
- **Thread Type:** NPT
- **Item Weight:** 0.08 Kilograms
- **Number of Pieces:** 2

## Images

![QWORK 2Pcs Brass One-way Check Valve, 1/2" Female to 1/2" Male Thread of Backflow Preventer - Image 1](https://m.media-amazon.com/images/I/61RhdaU6iQL.jpg)

## Available Options

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

## Frequently Bought Together

- QWORK 2Pcs Brass One-way Check Valve, 1/2" Female to 1/2" Male Thread of Backflow Preventer
- Camco RV Water Heater Backflow Preventer | Features a Heavy-Duty Brass with a Stainless Spring Construction and a 1/2-Inch Male x Female NPT (23303)
- Valterra P23415LF 1/2" Lead-Free Check Valve

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**Shop now:** [https://www.desertcart.tw/products/629255557-qwork-2pcs-brass-one-way-check-valve-1-2-female](https://www.desertcart.tw/products/629255557-qwork-2pcs-brass-one-way-check-valve-1-2-female)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-21*