--- product_id: 800359475 title: "SYOSI 6 Pcs Industrial One Way Check Valve, 3/8 Inch 10 mm ABS Plug in Design, Controls Flow of Fuel Water Gas and Air, Prevents Backflow in Lines and Systems" brand: "syosi" price: "R485" currency: ZAR in_stock: true category: "Syosi" url: https://www.desertcart.co.za/products/800359475-syosi-6-pcs-industrial-one-way-check-valve-3-8 store_origin: ZA region: South Africa --- # Precise 3/8-inch size fit Durable ABS & silicone build Reliable one-way flow control SYOSI 6 Pcs Industrial One Way Check Valve, 3/8 Inch 10 mm ABS Plug in Design, Controls Flow of Fuel Water Gas and Air, Prevents Backflow in Lines and Systems **Brand:** syosi **Price:** R485 **Availability:** ✅ In Stock ## Summary > ⚙️ Keep your systems flowing forward—never look back! ## Quick Answers - **What is this?** SYOSI 6 Pcs Industrial One Way Check Valve, 3/8 Inch 10 mm ABS Plug in Design, Controls Flow of Fuel Water Gas and Air, Prevents Backflow in Lines and Systems by syosi - **How much does it cost?** R485 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/800359475-syosi-6-pcs-industrial-one-way-check-valve-3-8) ## Best For - syosi enthusiasts ## Why This Product - Trusted syosi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Temperature Range:** Operates smoothly from -20°C to 70°C, perfect for diverse indoor and sheltered outdoor applications. - • **Flawless One-Way Flow Control:** Silicone diaphragm guarantees zero backflow, protecting your equipment and maintaining system integrity. - • **Pack of Six for Maximum Coverage:** Six identical valves included—ideal for multi-point setups or keeping spares on hand to avoid downtime. - • **Built to Last, Engineered to Perform:** Robust ABS plastic body resists chemicals and wear for long-term reliability. - • **Precision Fit for Seamless Integration:** Standard 3/8-inch NPT/barbed connections ensure hassle-free installation across multiple systems. ## Overview The SYOSI 6 Pcs Industrial One Way Check Valve set features durable ABS construction with a flexible silicone seal, designed for 3/8-inch NPT/barbed connections. Engineered to prevent backflow in fuel, water, gas, and air lines, these valves operate reliably within -20°C to 70°C. Perfect for professionals seeking dependable, easy-to-install valves that safeguard system performance across multiple applications. ## Description Product description ## Features - 🔧 ABS & SILICONE CONSTRUCTION: This check valve features a body made of durable ABS plastic, known for its chemical resistance and structural integrity. The internal sealing mechanism utilizes a flexible silicone diaphragm or flap to ensure a reliable, one-way seal against backflow. - 📏 SPECIFIED SIZE: The valve is designed with 3/8-inch NPT (National Pipe Thread) or barbed connections, measuring 1.61 inches in overall length. The package includes 6 identical valves to accommodate multiple installation points or provide replacements. - ⚙️ ONE-WAY FLOW FUNCTION: It operates as a mechanical one-way valve, allowing fluid or air to pass in the direction indicated by the arrow on the valve body while automatically closing to prevent reverse flow. This protects upstream components in systems like water lines or air compressors. - 🌡️ OPERATING TEMPERATURE RANGE: Rated for continuous use within a temperature range of -20°C to 70°C (-4°F to 158°F). This makes it suitable for a variety of indoor and protected outdoor applications involving water or compressed air within these thermal limits. - ⚠️ CRITICAL INSTALLATION NOTE: Correct installation requires aligning the valve so that the medium flow direction matches the arrow embossed on the valve housing. Installing it backward will block all flow, as the valve is designed to open only in one direction. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0GGGDHKHD | | Brand | SYOSI | | Date First Available | 13 January 2026 | | Item Weight | 20 g | | Model Number | KN2278 | | Package Dimensions | 14.3 x 11.8 x 2.2 cm; 20 g | ## Images ![SYOSI 6 Pcs Industrial One Way Check Valve, 3/8 Inch 10 mm ABS Plug in Design, Controls Flow of Fuel Water Gas and Air, Prevents Backflow in Lines and Systems - Image 1](https://m.media-amazon.com/images/I/61sBj2fYbjL.jpg) ![SYOSI 6 Pcs Industrial One Way Check Valve, 3/8 Inch 10 mm ABS Plug in Design, Controls Flow of Fuel Water Gas and Air, Prevents Backflow in Lines and Systems - Image 2](https://m.media-amazon.com/images/I/71ISYA1+wQL.jpg) ![SYOSI 6 Pcs Industrial One Way Check Valve, 3/8 Inch 10 mm ABS Plug in Design, Controls Flow of Fuel Water Gas and Air, Prevents Backflow in Lines and Systems - Image 3](https://m.media-amazon.com/images/I/61mrvdP5vFL.jpg) ![SYOSI 6 Pcs Industrial One Way Check Valve, 3/8 Inch 10 mm ABS Plug in Design, Controls Flow of Fuel Water Gas and Air, Prevents Backflow in Lines and Systems - Image 4](https://m.media-amazon.com/images/I/71cMU2Ms5aL.jpg) ![SYOSI 6 Pcs Industrial One Way Check Valve, 3/8 Inch 10 mm ABS Plug in Design, Controls Flow of Fuel Water Gas and Air, Prevents Backflow in Lines and Systems - Image 5](https://m.media-amazon.com/images/I/71sopmJa-lL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/800359475-syosi-6-pcs-industrial-one-way-check-valve-3-8](https://www.desertcart.co.za/products/800359475-syosi-6-pcs-industrial-one-way-check-valve-3-8) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-07-27*