--- product_id: 390809974 title: "KF-25 - KF-40 Straight" brand: "loco science" price: "€ 73.49" currency: EUR in_stock: true reviews_count: 1 category: "Loco Science" url: https://www.desertcart.be/products/390809974-kf-25-kf-40-straight store_origin: BE region: Belgium --- # Quick flange design for fast assembly KF-25 to KF-40 size reduction High-grade stainless steel corrosion resistance KF-25 - KF-40 Straight **Brand:** loco science **Price:** € 73.49 **Availability:** βœ… In Stock ## Summary > πŸ”§ Upgrade your vacuum game with precision and speed! ## Quick Answers - **What is this?** KF-25 - KF-40 Straight by loco science - **How much does it cost?** € 73.49 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/390809974-kf-25-kf-40-straight) ## Best For - loco science enthusiasts ## Why This Product - Trusted loco science brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Leak-Free Vacuum Seal:** Pairs perfectly with stainless steel clamps and elastomer centering rings to ensure airtight, reliable connections. - β€’ **Precision Size Reduction:** Seamlessly connect KF-25 to KF-40 vacuum pipes without compromising system integrity. - β€’ **Durable Stainless Steel Build:** Engineered to withstand high temperatures and aggressive chemical environments for long-lasting performance. - β€’ **ISO-KF Standard Compatibility:** Universal fit with all KF-standard flanges and fittings, future-proofing your vacuum plumbing system. - β€’ **Effortless Quick Flange Assembly:** Designed for rapid installation, minimizing downtime and maximizing productivity in your vacuum setup. ## Overview The KF-25 to KF-40 Straight Reducing Adapter by LoCo Science is a premium stainless steel vacuum fitting designed to reduce pipe sizes while maintaining leak-free, ISO-KF standard connections. Its quick flange design ensures fast, reliable assembly, making it an essential component for professional vacuum plumbing and process systems that demand durability and chemical resistance. ## Description LOCO SCIENCE Inspired by the ancient Redwoods and isolated coastlines of Northern California LoCo Science’s mission is to provide the Lost Coast and all of America with easy access to high quality scientific equipment and supplies. LoCo Science is different because they care. Every customer is a friend. Only by working together can we all succeed! LoCo Science’s mission is to provide the Lost Coast and all of America with easy access to high quality scientific equipment and supplies. LoCo Science is different because they care. Every customer is a friend. Only by working together can we all succeed! Loco Science Review: Works great - I ran some wires through it and filled with Great Lakes epoxy to make an electrical pass through port into my argon glove box. Works great. Do t forget to buy the sealing ring. ## Features - REDUCING ADAPTER FOR VACUUM PIPE FITTINGS STRAIGHT KF-25 - KF-40 - To branch piping, and reduce the size of the fittings in your vacuum system you will want KF Straight Reducing Adapters for your frontline vacuum plumbing and process system. - STAINLESS STEEL REDUCING ADAPTER FOR VACUUM PIPE FITTINGS STRAIGHT KF-25 - KF-40 - The high-grade stainless steel part will stand up to high temperatures and chemical corrosion. - QUICK FLANGE REDUCING ADAPTER FOR VACUUM PIPE FITTINGS STRAIGHT KF-25 - KF-40 - Made to be a quick flange, the straight reducing adapters are designed for easy and convenient assembly in your vacuum system. - REDUCING ADAPTERS FOR VACUUM PLUMBLING SYSTEMS - These reducing adapters are commonly used in building frontline vacuum plumbing and process systems. - REDUCING ADAPTERS FOR LEAK FREE SEAL - Use with a stainless steel circumferential clamp and rubber elastomer centering ring for a leak-free seal between flanges. The flanges meet ISO-KF standard to fit with all same size flanges and fittings. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08NPX4YMV | | Best Sellers Rank | #427,375 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,676 in Hydraulic Fittings | | Brand | LOCO SCIENCE | | Brand Name | LOCO SCIENCE | | Color | Stainless Steel | | Connector Type | Reducer | | Customer Reviews | 5.0 out of 5 stars 2 Reviews | | Exterior Finish | Stainless Steel | | Global Trade Identification Number | 00810062800902 | | Manufacturer | LOCO SCIENCE | | Material | Rubber, Stainless Steel | | Material Type | Rubber, Stainless Steel | | Number of Pieces | 1 | | Size | KF-25 to KF-40 | | Thread Size | KF-25 to KF-40 | | Thread Type | KF25 | | UPC | 810062800902 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** LOCO SCIENCE - **Color:** Stainless Steel - **Connector Type:** Reducer - **Exterior Finish:** Stainless Steel - **Global Trade Identification Number:** 00810062800902 - **Material:** Rubber, Stainless Steel - **Number of Pieces:** 1 - **Size:** KF-25 to KF-40 - **Thread Size:** KF-25 to KF-40 - **Thread Type:** KF25 ## Images ![KF-25 - KF-40 Straight - Image 1](https://m.media-amazon.com/images/I/51Ce5m2gRwL.jpg) ![KF-25 - KF-40 Straight - Image 2](https://m.media-amazon.com/images/I/51LR4yuxy6L.jpg) ![KF-25 - KF-40 Straight - Image 3](https://m.media-amazon.com/images/I/51rFGoTQAtL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great *by K***S on June 7, 2022* I ran some wires through it and filled with Great Lakes epoxy to make an electrical pass through port into my argon glove box. Works great. Do t forget to buy the sealing ring. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/390809974-kf-25-kf-40-straight](https://www.desertcart.be/products/390809974-kf-25-kf-40-straight) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-08-04*