---
product_id: 664861970
title: "28 Pcs Plastic Check Valves, Plug-in Barb One Way Vacuum Check Valves for Liquids and Gases (1/8, 5/32, 1/4, 5/16, 3/8, 1/2 inch)"
brand: "gszepsex"
price: "NT$1533"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/664861970-28-pcs-plastic-check-valves-plug-in-barb-one-way
store_origin: TW
region: Taiwan
---

# One-way flow for liquids & gases Temp range -68°F to 158°F 6 sizes, 28 pcs total 28 Pcs Plastic Check Valves, Plug-in Barb One Way Vacuum Check Valves for Liquids and Gases (1/8, 5/32, 1/4, 5/16, 3/8, 1/2 inch)

**Brand:** gszepsex
**Price:** NT$1533
**Availability:** ✅ In Stock

## Summary

> 🔧 Master your flow with precision and durability!

## Quick Answers

- **What is this?** 28 Pcs Plastic Check Valves, Plug-in Barb One Way Vacuum Check Valves for Liquids and Gases (1/8, 5/32, 1/4, 5/16, 3/8, 1/2 inch) by gszepsex
- **How much does it cost?** NT$1533 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/664861970-28-pcs-plastic-check-valves-plug-in-barb-one-way)

## Best For

- gszepsex enthusiasts

## Why This Product

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

## Key Features

- • **Complete Size Range:** From 1/8" to 1/2", 28 valves cover every plumbing or pneumatic need.
- • **Versatile Application:** Perfect for water, oil, compressed air, and vacuum systems—your all-in-one solution.
- • **Effortless Flow Control:** Low pressure needed to activate, ensuring smooth one-way liquid or gas flow.
- • **Plug-and-Play Installation:** Barb fittings with clear flow direction arrows make setup quick and foolproof.
- • **Industrial-Grade Durability:** Crafted with PVDF plastic and silicone diaphragm for corrosion and ozone resistance.

## Overview

This 28-piece set of plastic check valves features six popular sizes (1/8" to 1/2") made from industrial-grade PVDF plastic and silicone diaphragms. Designed for liquids and gases, they prevent backflow in plumbing and pneumatic systems, operate efficiently across a wide temperature range (-68°F to 158°F), and resist corrosion, ozone, and oxidation. Easy to install with plug-in barb fittings and clear directional arrows, these valves deliver reliable, low-pressure one-way flow control for professional-grade applications.

## Description

28 Pcs Plastic Check Valves, Plug-in Barb One Way Vacuum Check Valves for Liquids and Gases (1/8, 5/32, 1/4, 5/16, 3/8, 1/2 inch)

## Features

- Function: the one way valve applicable for water, oil and gases.It effectively prevents liquid backflow, or for pneumatic systems to prevent reverse flow of compressed air
- Size and Quantity：1/8"-5pcs, 5/32"-5pcs, 1/4"-5pcs, 5/16"-5pcs, 3/8"-4pcs, 1/2"-4pcs. Solve all your application scenarios with just one box
- Material: Our check valves are made of industrial grade PVDF plastic and silicone rubber diaphragm. This check valve can be applied in the temperature range of -68°F to 158°F,Only a small amount of pressure is required to push the diaphragm
- Durable：Good corrosion resistance, high temperature resistance, Ozone resistant, oxidation resistance and other characteristics
- Installation Guidance:Ensure that the direction of the arrow on the valve body is the same as the direction of the medium flow during installation, otherwise the medium will not flow properly

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Plastic |
| Brand | GSZEPSEX |
| Item dimensions L x W x H | 4.1 x 1.18 x 8.26 inches |
| Exterior Finish | Plastic |
| Inlet Connection Size | 1/8,5/32,1/4,5/16,3/8,1/2 Inches |
| Inlet Connection Type | Barb |
| Outlet Connection Type | Barb |
| Number of Ports | 2 |
| Outlet Connection Size | 1/8,5/32,1/4,5/16,3/8,1/2 Inches |
| Manufacturer | GSZEPSEX |
| UPC | 716404894526 |
| Part Number | DXF028VA |
| Item Weight | 4.6 ounces |
| Product Dimensions | 4.1 x 1.18 x 8.26 inches |
| Item model number | DXF028VA |
| Size | 1/8, 5/32, 1/4, 5/16, 3/8, 1/2 inches |
| Color | Transparent |
| Item Package Quantity | 1 |
| Number Of Pieces | 28 |
| Included Components | 1/2 3/8 5/16 1/4 5/32 1/8 Check Valve |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Plastic
- **Brand:** GSZEPSEX
- **Item dimensions L x W x H:** 4.1 x 1.18 x 8.26 inches
- **Exterior Finish:** Plastic
- **Inlet Connection Size:** 1/8,5/32,1/4,5/16,3/8,1/2 Inches
- **Inlet Connection Type:** Barb
- **Outlet Connection Type:** Barb
- **Number of Ports:** 2
- **Outlet Connection Size:** 1/8,5/32,1/4,5/16,3/8,1/2 Inches
- **Manufacturer:** GSZEPSEX

## Images

![28 Pcs Plastic Check Valves, Plug-in Barb One Way Vacuum Check Valves for Liquids and Gases (1/8, 5/32, 1/4, 5/16, 3/8, 1/2 inch) - Image 1](https://m.media-amazon.com/images/I/61-cs5vuyAL.jpg)

## Questions & Answers

**Q: Can it be installed on a hose with a 1/4-inch ID?**
A: Yes, our check valve kits include 5Pcs 1/4-inch valves, plus 1/8-inch, 5/32-inch, 5/16-inch, 3/8-inch, and 1/2-inch.

**Q: I need to replace the check valve for my ozone machine, will this valve work?**
A: Our one way valve are ozone resistant and can be used in ozone machines.

**Q: I bought a pack of 5 but 2 of them are bad**
A: Our check valves go through strict quality control when they leave the factory, and the defective rate is very low! Use with confidence!

## Frequently Bought Together

- 28 Pcs Plastic Check Valve,Plug-in Barb One Way Valve,Vacuum Check Valve for Liquids and Gases(1/8, 5/32, 1/4, 5/16, 3/8, 1/2 inch)
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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-01-24*