---
product_id: 137855815
title: "Reducer Conical KF-40 to KF-25 (ISO-KF Flange Size NW-40 to NW-25) Made of Stainless Steel (304), Vacuum Adapter"
brand: "pro2tec"
price: "₨124"
currency: SCR
in_stock: false
url: https://www.desertcart.sc/products/137855815-reducer-conical-kf-40-to-kf-25-iso-kf-flange
store_origin: SC
region: Seychelles
---

# Quality Inspected Dimensions: A=0.87" B=1.57" Stainless Steel 304 Reducer Conical KF-40 to KF-25 (ISO-KF Flange Size NW-40 to NW-25) Made of Stainless Steel (304), Vacuum Adapter

**Brand:** pro2tec
**Price:** ₨124
**Availability:** ❌ Out of Stock

## Summary

> 🔗 Connect with Confidence!

## Quick Answers

- **What is this?** Reducer Conical KF-40 to KF-25 (ISO-KF Flange Size NW-40 to NW-25) Made of Stainless Steel (304), Vacuum Adapter by pro2tec
- **How much does it cost?** ₨124 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/137855815-reducer-conical-kf-40-to-kf-25-iso-kf-flange)

## Best For

- pro2tec enthusiasts

## Why This Product

- Trusted pro2tec brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Design:** Crafted from high-quality 304 stainless steel for longevity.
- • **Quality Assurance:** Stringent inspections guarantee top-notch performance.
- • **Seamless Transition:** Effortlessly connect KF25 and KF40 systems.
- • **Precision Engineering:** Common dimensions ensure a perfect fit every time.
- • **Customer-Centric Support:** Reach out anytime for assistance or inquiries.

## Overview

The Reducer Conical KF-40 to KF-25 is a high-quality vacuum adapter made from durable 304 stainless steel, designed for seamless transitions between KF25 and KF40 flanges. With precise dimensions and rigorous quality inspections, this product ensures reliability and performance in your vacuum systems.

## Description

These KF-25 to KF-40 conical reducer vacuum fittings follow ISO-KF standards and have a flange size of NW-25 to NW-40. They are commonly used to build foreline vacuum plumbing and process systems. They are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of Stainless Steel ( 304 ).  Package: The package includes:1 * Stainless Steel ( 304 ) KF-40 to KF-25 Reducer Conical Note:  We provide kinds of high quality 304 material vacuum equipment, if you need not found it in the store, please contact the merchant. Your satisfaction is our unrvector pursuit

## Features

- Conical Reducer made of high quality 304 stainless steel And Superb craftsmanship
- Reducers are typically used to transition between KF25 and KF40 to achieve the you want.
- Common Dimensions: A = .87" (22mm), B =1.57" (40mm)
- Our products are subject to strict quality inspection from production to delivery. Be at ease use pls.
- We provide high quality products, excellent service, If there are any you need and dissatisfaction that can be contacted us , any time.

## Images

![Reducer Conical KF-40 to KF-25 (ISO-KF Flange Size NW-40 to NW-25) Made of Stainless Steel (304), Vacuum Adapter - Image 1](https://m.media-amazon.com/images/I/51g-28YJJ5L.jpg)
![Reducer Conical KF-40 to KF-25 (ISO-KF Flange Size NW-40 to NW-25) Made of Stainless Steel (304), Vacuum Adapter - Image 2](https://m.media-amazon.com/images/I/411DJdQ-D0L.jpg)
![Reducer Conical KF-40 to KF-25 (ISO-KF Flange Size NW-40 to NW-25) Made of Stainless Steel (304), Vacuum Adapter - Image 3](https://m.media-amazon.com/images/I/51vKYK3WKlL.jpg)

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**Shop now:** [https://www.desertcart.sc/products/137855815-reducer-conical-kf-40-to-kf-25-iso-kf-flange](https://www.desertcart.sc/products/137855815-reducer-conical-kf-40-to-kf-25-iso-kf-flange)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-13*