---
product_id: 232113818
title: "6 Pieces One Way Inline Check Valve Bulk 3/8 Inch 10 mm ABS Plug-in Check Valve Fuel Water Gas Air One-way for Liquids and Gas"
brand: "blulu"
price: "¥3241"
currency: JPY
in_stock: true
reviews_count: 8
category: "Blulu"
url: https://www.desertcart.jp/products/232113818-6-pieces-one-way-inline-check-valve-bulk-3-8
store_origin: JP
region: Japan
---

# Reliable one-way flow control Wide -20°C to 70°C range Durable ABS & silicone build 6 Pieces One Way Inline Check Valve Bulk 3/8 Inch 10 mm ABS Plug-in Check Valve Fuel Water Gas Air One-way for Liquids and Gas

**Brand:** blulu
**Price:** ¥3241
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock your flow, unlock peace of mind!

## Quick Answers

- **What is this?** 6 Pieces One Way Inline Check Valve Bulk 3/8 Inch 10 mm ABS Plug-in Check Valve Fuel Water Gas Air One-way for Liquids and Gas by blulu
- **How much does it cost?** ¥3241 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/232113818-6-pieces-one-way-inline-check-valve-bulk-3-8)

## Best For

- blulu enthusiasts

## Why This Product

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

## Key Features

- • **Perfect Fit, Bulk Ready:** Six 3/8 inch valves (1.61 inches long) to cover multiple projects or replacements without hassle.
- • **Versatile Fluid Control:** Engineered to prevent backflow in liquids and gases including fuel, water, air, and more.
- • **Wide Application Spectrum:** Ideal for automotive, machinery, household appliances, and air purification systems.
- • **Industrial-Grade Durability:** Crafted from high-hardness ABS plastic and silicone for superior heat, acid, and corrosion resistance.
- • **Easy Installation with Flow Assurance:** Clear directional arrow ensures flawless setup, eliminating guesswork and downtime.

## Overview

This 6-piece set of 3/8 inch inline check valves features robust ABS plastic and silicone construction, designed to prevent backflow in liquids and gases across a broad temperature range (-20°C to 70°C). Perfect for diverse applications from automotive to household systems, these valves ensure reliable, leak-free performance with easy installation guided by clear flow direction indicators.

## Description

6 Pieces One Way Inline Check Valve Bulk 3/8 Inch 10 mm ABS Plug-in Check Valve Fuel Water Gas Air One-way for Liquids and Gas: desertcart.com: Industrial & Scientific

Review: great one way valve - works awesome
Review: Good Product - Work great. I used them in a laundry to keep the detergent pumps primed.They fit perfect in the plastic hoses and no leaks.

## Features

- Material: this check valve is made of ABS plastic, and the internal valve core is made of silicone, ABS plastic has high hardness, good heat resistance and corrosion resistance, strong resistance to acids and alkalis, and is resistant to organic solvents to some extent
- Suitable size: you will get 6 no-return check valves with a size of 3/8 inch, which is 1.61 inches long, enough quantity to meet your use of check valves in different situations to prevent fluid backflow
- Function introduction: 3/8 check valve is applied in fluid system to prevent fluid backflow, or applied in pneumatic system to prevent compressed air backflow; This check valve can be applied in the temperature range of -20 degrees Celsius to 70 degrees Celsius
- Widely use: one-way valve can be applied in water process, air purification, automobile parts, machinery industry, household appliances, etc., to effectively prevent backflow of the medium
- Note: when installing the check valve, pay special attention to the flow direction of the medium; The normal flow direction of the medium should be consistent with the arrow direction indicated on the valve body, otherwise the normal flow of the medium will be cut off

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Blulu |
| Exterior Finish | Abs, Plastic, Silicone |
| Inlet Connection Size | 0.38 Inches |
| Inlet Connection Type | Threaded |
| Material | ABS plastic, silicone |
| Number of Ports | 6 |

## Product Details

- **Material:** ABS plastic, silicone
- **Brand:** Blulu
- **Exterior Finish:** Abs,Plastic,Silicone
- **Inlet Connection Size:** 0.38 Inches
- **Inlet Connection Type:** Threaded
- **Number of Ports:** 6
- **Manufacturer:** Blulu

## Images

![6 Pieces One Way Inline Check Valve Bulk 3/8 Inch 10 mm ABS Plug-in Check Valve Fuel Water Gas Air One-way for Liquids and Gas - Image 1](https://m.media-amazon.com/images/I/61pE826-cgL.jpg)

## Questions & Answers

**Q: Suitable for vacuum lines in an automobile?**
A: Yes.

**Q: will this valve handle the viscosity of dish soap?**
A: I use them with compressed co2 and O2. They also work with water and beer lines. They are inexpensive enough to just purchase and see for yourself in your application. Tom

**Q: will this work for inline vacuum for the brake boster on a car thanks**
A: No

**Q: Will they work under full vacuum? my rotovap pump backflows when off, pushing cooling fluid through the vacuum lines into the distillate chamber**
A: Yes, they will.

## Customer Reviews

### ⭐⭐⭐⭐⭐ great one way valve
*by R***I on November 18, 2025*

works awesome

### ⭐⭐⭐⭐⭐ Good Product
*by R***G on September 11, 2025*

Work great. I used them in a laundry to keep the detergent pumps primed.They fit perfect in the plastic hoses and no leaks.

### ⭐⭐⭐⭐⭐ Perfect replacement for the IAG air oil separator for Subarus
*by R***Y on September 23, 2025*

These work awesome to replace failed Subaru IAG air oil separator check valves that come in their kit.

## Frequently Bought Together

- Check Valve, 3/8 Inch 10 mm ABS Plug-in Check Valve Fuel Water Gas Air One-Way for Liquids and Gas(6 Pieces)
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- 3/8" ID Silicon Tubing, JoyTube Food Grade Silicon Tubing 3/8" ID x 1/2" OD 10 Feet High Temp Pure Silicone Hose Tube for Home Brewing Winemaking

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**Shop now:** [https://www.desertcart.jp/products/232113818-6-pieces-one-way-inline-check-valve-bulk-3-8](https://www.desertcart.jp/products/232113818-6-pieces-one-way-inline-check-valve-bulk-3-8)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-03*