---
product_id: 551635860
title: "Feelers 1/2\" (12MM) One Way Inline Check Valve Non-Return One-Way Air Water Gas Check Valve Ozone Resistance PVDF, Pack of 2 2PCS"
brand: "feelers"
price: "$77.45"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/551635860-feelers-1-2-12mm-one-way-inline-check-valve-non
store_origin: US
region: United States of America
---

# One-way valve prevents backflow flawlessly Operates reliably from 25°C to 60°C PVDF material for ultimate chemical resistance Feelers 1/2" (12MM) One Way Inline Check Valve Non-Return One-Way Air Water Gas Check Valve Ozone Resistance PVDF, Pack of 2 2PCS

**Brand:** feelers
**Price:** $77.45
**Availability:** ✅ In Stock

## Summary

> 🔧 Stop backflow, start peace of mind.

## Quick Answers

- **What is this?** Feelers 1/2" (12MM) One Way Inline Check Valve Non-Return One-Way Air Water Gas Check Valve Ozone Resistance PVDF, Pack of 2 2PCS by feelers
- **How much does it cost?** $77.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/551635860-feelers-1-2-12mm-one-way-inline-check-valve-non)

## Best For

- feelers enthusiasts

## Why This Product

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

## Key Features

- • **Precision Flow Control:** Engineered to stop reverse flow in air, water, and gas systems, ensuring seamless operation and system integrity.
- • **Compact & Universal Fit:** 1/2" barb connections and 43mm length fit standard hoses effortlessly—upgrade your setup without hassle.
- • **Versatile Industrial Use:** Trusted across water treatment, automotive, medical, and household appliances—join the pros who rely on Feelers.
- • **Corrosion-Proof Durability:** Crafted from PVDF and silicon rubber to resist acids, alkalis, and salts—built to last in harsh environments.
- • **Certified Quality Assurance:** Meets ASME B16.5, ASTM F1760, and ASTM D3595 standards—performance you can count on, guaranteed.

## Overview

The Feelers 1/2" One Way Inline Check Valve is a high-performance, chemically resistant valve made from PVDF and silicon rubber. Designed to prevent reverse flow in fluid and pneumatic systems, it fits standard 1/2" hoses and operates reliably between 25°C and 60°C. Certified to industry standards, this valve is ideal for demanding applications in water treatment, automotive, medical, and household sectors.

## Description

1.The pipe port designs a pagoda card slot, non-slip, good airtightness, the port outer diameter is available in 10 sizes, suitable for 3/16“ to 1-1/2" inner hole hose to connect, user-friendly design, easy to use.2.Self-contained gas flow direction signs on the valve body for convenient installation. Avoid repeated installation and debugging work.3.Under 25 Degrees Celsius ~ 135 Degrees Celsius environment works. Reliable quality, no need to worry about high temperature damage in the cabin.4.Used in automotive system to stop backflow of gases or liquids in the piping. One-way valves are commonly used in brake boosters - air conditioning damper ducts - exhaust valve ducts and wiper sprinkler ducts on automobiles. The one-way valve is widely used and can be reasonably used according to individual needs.

## Features

- 【Material】The one way check valves are made of PVDF, and the Diaphragm material is silicon rubber.
- 【Function】 These 1/2 Inch check valves are applicable for fluid systems to stop countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air.
- 【Size】Diameter: 1/2"barb, can fit 1/2" hose ID; Total length: 43mm/1.69 inch
- 【Performance】Strong Resistance to acid, alkali, salt corrosion ability, can be used for different types of liquid.Normal performance under 25 ℃ to 60 ℃.
- 【Wide Application】Widely used in water treatment, air purification, automotive parts, machinery industry, medical equipment, household appliances and other fields.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | PVDF |
| Brand | Feelers |
| Exterior Finish | Rubber |
| Inlet Connection Size | 0.5 Inches |
| Inlet Connection Type | Barb |
| Outlet Connection Type | Barb |
| Number of Ports | 2 |
| Outlet Connection Size | 0.5 Inches |
| Specification Met | ASME B16.5, ASTM F1760, ASTM D3595 |
| Valve Type | Check Valve |
| Manufacturer | Feelers |
| UPC | 756166997998 |
| Country of Origin | USA |
| Package Dimensions | 5.9 x 4.3 x 0.7 cm; 20 g |
| ASIN | B0B71FS1Z5 |

## Product Details

- **Material:** PVDF
- **Brand:** Feelers
- **Exterior Finish:** Rubber
- **Inlet Connection Size:** 0.5 Inches
- **Inlet Connection Type:** Barb
- **Outlet Connection Type:** Barb
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.5 Inches
- **Specification Met:** ASME B16.5, ASTM F1760, ASTM D3595
- **Valve Type:** Check Valve

## Images

![Feelers 1/2" (12MM) One Way Inline Check Valve Non-Return One-Way Air Water Gas Check Valve Ozone Resistance PVDF, Pack of 2 2PCS - Image 1](https://m.media-amazon.com/images/I/41yZmrX0WoL.jpg)

## Available Options

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

## Frequently Bought Together

- Feelers 1/2" (12MM) One Way Inline Check Valve Non-Return One-Way Air Water Gas Check Valve Ozone Resistance PVDF, Pack of 2 2PCS
- 3/4 inch Check Valve, Marine Boat Bilge Pump Hose in-line one way, Non Return

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-03*