---
product_id: 527470414
title: "1/4\" 3/8\" 1/2\" 3/4\" 1\" 1-1/2\" 2\" BSPT Female 304 Stainless Window Sight Glass Flow Indicator With Impeller (3/4\" DN20)"
brand: "wzhlcx"
price: "€ 75.18"
currency: EUR
in_stock: true
category: "Wzhlcx"
url: https://www.desertcart.be/products/527470414-1-4-3-8-1-2-3-4-1-1
store_origin: BE
region: Belgium
---

# High-visibility red PTFE impeller 304 stainless steel corrosion resistance 180° clear glass observation window 1/4" 3/8" 1/2" 3/4" 1" 1-1/2" 2" BSPT Female 304 Stainless Window Sight Glass Flow Indicator With Impeller (3/4" DN20)

**Brand:** wzhlcx
**Price:** € 75.18
**Availability:** ✅ In Stock

## Summary

> 👁️ See Flow Like Never Before – Stay Ahead with Every Drop!

## Quick Answers

- **What is this?** 1/4" 3/8" 1/2" 3/4" 1" 1-1/2" 2" BSPT Female 304 Stainless Window Sight Glass Flow Indicator With Impeller (3/4" DN20) by wzhlcx
- **How much does it cost?** € 75.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/527470414-1-4-3-8-1-2-3-4-1-1)

## Best For

- wzhlcx enthusiasts

## Why This Product

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

## Key Features

- • **Flexible Installation:** Supports both horizontal and vertical mounting for seamless integration into any pipeline.
- • **Vivid Red PTFE Impeller:** High-visibility impeller guarantees instant flow status recognition, reducing downtime.
- • **Durable Industrial Grade:** 304 stainless steel body ensures long-lasting corrosion resistance in harsh environments.
- • **Crystal-Clear Flow Monitoring:** 180° glass window offers panoramic visibility for precise flow observation.
- • **Versatile Medium Compatibility:** Handles water, oil, gas, acids, alkalis, and toxic gases up to 120°C with ease.

## Overview

This 3/4" BSPT female flow indicator features a red PTFE impeller housed in a 304 stainless steel frame with a 180° clear glass window, enabling real-time, high-visibility monitoring of liquids and gases up to 120°C. Designed for versatile industrial use, it supports multiple media types and flexible installation orientations, making it an essential tool for ensuring smooth, uninterrupted production.

## Description

The single-tube impeller type observer, also known as the impeller sight glass, is a necessary accessory to observe the flow of the medium in the pipeline. The impeller sight glass is widely used in industrial production equipment such as petroleum, chemical industry, chemical fiber, medicine, food, etc. It can observe the flow reaction of liquid, gas, steam and other media at any time, and is an indispensable accessory to ensure normal production.

## Features

- - Impeller: made of PTFE, the color is red and has a high visibility effect
- Medium: water, oil, gas and acid, alkaline liquid or toxic gas
- Working temperature: 120°C≤
- Installation: Both lying and standing are possible, and the observation is convenient and clear.
- (3) Characteristics of flow indicator 1. The surface glass of the window is easy to clean. 2. The glass window can be observed in 180° direction.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BDKXY3D4 |
| Best Sellers Rank | #261,792 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #221 in Flowmeters |
| Brand Name | WZHLCX |
| Color | Silver |
| Connector Type | Threaded |
| Customer Reviews | 4.2 4.2 out of 5 stars (35) |
| Exterior Finish | Stainless Steel |
| Item Dimensions | 4.3 x 3 x 3.14 inches |
| Item Type Name | Flow Indicator |
| Item Weight | 1.1 Pounds |
| Manufacturer | WZHLCX |
| Manufacturer Part Number | SUS25 |
| Material Type | Metal |
| Model Number | SUS25 |
| Number of Pieces | 1 |
| Size | 3/4" DN20 |
| Thread Size | 3/4 inch |
| Thread Type | BSPT |

## Product Details

- **Brand:** WZHLCX
- **Color:** Silver
- **Connector Type:** Threaded
- **Exterior Finish:** Stainless Steel
- **Item Weight:** 1.1 Pounds
- **Item dimensions L x W x H:** 4.3 x 3 x 3.14 inches
- **Material:** Metal
- **Size:** 3/4" DN20
- **Thread Size:** 3/4 inch
- **Thread Type:** BSPT

## Images

![1/4" 3/8" 1/2" 3/4" 1" 1-1/2" 2" BSPT Female 304 Stainless Window Sight Glass Flow Indicator With Impeller (3/4" DN20) - Image 1](https://m.media-amazon.com/images/I/516T77ySBtL.jpg)
![1/4" 3/8" 1/2" 3/4" 1" 1-1/2" 2" BSPT Female 304 Stainless Window Sight Glass Flow Indicator With Impeller (3/4" DN20) - Image 2](https://m.media-amazon.com/images/I/41DaIMN5ClL.jpg)
![1/4" 3/8" 1/2" 3/4" 1" 1-1/2" 2" BSPT Female 304 Stainless Window Sight Glass Flow Indicator With Impeller (3/4" DN20) - Image 3](https://m.media-amazon.com/images/I/51hNOyh+tKL.jpg)
![1/4" 3/8" 1/2" 3/4" 1" 1-1/2" 2" BSPT Female 304 Stainless Window Sight Glass Flow Indicator With Impeller (3/4" DN20) - Image 4](https://m.media-amazon.com/images/I/51+GJrKRAlL.jpg)

## Available Options

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

## Frequently Bought Together

- 1/4" 3/8" 1/2" 3/4" 1" 1-1/2" 2" BSPT Female 304 Stainless Window Sight Glass Flow Indicator With Impeller (3/4" DN20)
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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-08-05*