--- product_id: 148572121 title: "Air Compressor Check Valve - One-Way Brass Three Way - Connect Pipe Fittings" brand: "nikou" price: "HK$124" currency: HKD in_stock: true reviews_count: 13 category: "Nikou" url: https://www.desertcart.hk/products/148572121-air-compressor-check-valve-one-way-brass-three-way-connect store_origin: HK region: Hong Kong --- # Prevents reverse air flow 3-way threaded connectors Brass build for durability Air Compressor Check Valve - One-Way Brass Three Way - Connect Pipe Fittings **Brand:** nikou **Price:** HK$124 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your airflow game with brass precision! ## Quick Answers - **What is this?** Air Compressor Check Valve - One-Way Brass Three Way - Connect Pipe Fittings by nikou - **How much does it cost?** HK$124 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/148572121-air-compressor-check-valve-one-way-brass-three-way-connect) ## Best For - nikou enthusiasts ## Why This Product - Trusted nikou brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fit:** Compatible with G1/2*3/8*10mm threads, perfect for small piston and oil piston air compressors. - • **Built to Last Brass:** Premium brass construction ensures corrosion resistance and long-term reliability under pressure. - • **Flow Control Mastery:** Engineered to prevent reverse flow, safeguarding your compressor’s efficiency and lifespan. - • **Seamless Replacement:** Ideal upgrade or replacement valve to revive your old compressor with zero hassle. - • **Effortless Installation:** Threaded 3-male connectors designed for quick, secure fitting—no fuss, no downtime. ## Overview The Nikou Air Compressor Check Valve is a robust brass, three-way threaded valve designed to prevent reverse airflow in pneumatic and fluid systems. Compatible with common thread sizes (G1/2*3/8*10mm), it fits small piston and oil piston air compressors, offering an easy, reliable replacement that enhances compressor performance and durability. ## Description Specifications:Product Name: Air compressor Check ValveMaterial: Brass filledColor: GoldenThread Diameter: 9.5-10mm 16-16.5mm 20-20.5mmTotal Size: 42 x 39mmMale Thread Size: 1/2" 3/8"Hex Head Size: 18mmTips: This product is suitable for thread G1/2*3/8*10=20*16*10mm.For direct-line 2.5-3-4-5P small piston air pump and oil piston air compressor.Note:Please allow a little size error due to manual measurement.Package Included:1 x Air Compressor Check Valve Review: Fixed my compressor - Worked a treat, easy swap and got my old compressor working again. Review: Good - Good ## Features - Check Valve Material: The air compressor control valve is made of brass filled, with compression resistance, high performance and high reliability, without much maintenance - Easy to Install: Convenient to install with the thread connecting ends. The 3-male thread connectors are respectively for tube connecting. Check compatibility and dimensions before purchasing - Tips: This compressor check valve is suitable for thread G1/2*3/8*10=20*16*10mm. For direct-line 2.5-3-4-5P small piston air pump and oil piston air compressor - Function: The air compressor check valve is used in the fluid system to prevent reverse flow fluid, or used in the pneumatic system to prevent the reverse flow of compressed air - Good Replacement: This check valve is a excellent replacement for the old or broken check valve of your air compressor. Thread Diameter: 9.5-10mm 16-16.5mm 20-20.5mm ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07VRMH5C7 | | Best Sellers Rank | 161,865 in DIY & Tools ( See Top 100 in DIY & Tools ) 703 in Air Tool Accessories | | Brand | Nikou | | Connector Type | Threaded | | Country of Origin | China | | Customer Reviews | 4.1 4.1 out of 5 stars (182) | | Exterior Finish | Brass | | Inlet Connection Size | 3/8 Inches | | Inlet Connection Type | Threaded | | Manufacturer | Nikou | | Material | Brass | | Model Number | ES718-77 | | Number of Pieces | 1 | | Number of Ports | 3 | | Outlet Connection Size | 0.38 Inches | | Outlet Connection Type | thread connection | | Part Number | ES718-77 | | Set Name | 1pc | | Size | 42 x 39mm | | Smart Home Compatibility | Not Smart Home Compatible | | Specification Met | CE | | Thread Size | 1/2 | | Thread Type | NPT | | UPC | 723645770618 | | Unit Count | 1.0 count | | Valve Type | Lift Check Valve | ## Product Details - **Brand:** Nikou - **Exterior finish:** Brass - **Inlet connection size:** 3/8 Inches - **Inlet connection type:** Threaded - **Material:** Brass - **Number of ports:** 3 - **Outlet connection size:** 0.38 Inches - **Outlet connection type:** thread connection - **Smart Home Compatibility:** Not Smart Home Compatible - **Specification met:** CE ## Images ![Air Compressor Check Valve - One-Way Brass Three Way - Connect Pipe Fittings - Image 1](https://m.media-amazon.com/images/I/71XKQRTmkyL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fixed my compressor *by P***L on 5 November 2025* Worked a treat, easy swap and got my old compressor working again. ### ⭐⭐⭐⭐⭐ Good *by A***R on 4 November 2025* Good ### ⭐⭐⭐⭐ Worked fine *by P***E on 8 December 2024* Though it seemed a bit lightly made it worked perfectly well to replace the one on my compressor with a stripped thread. ## Frequently Bought Together - Nikou Air Compressor Check Valve, Air Compressor Thread Check Valve Brass 3-Way Unidirectional Check Valve Connect Pipe Fittings Tube Connector Tool 20 * 16 * 10mm - Sourcingmap 10mm Hex Nut 200 Length Air Compressor Exhaust Tube Replacement Copper Tone - Air Compressor Pressure Control Switch with Valve Gauges Regulator --- ## 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.hk/products/148572121-air-compressor-check-valve-one-way-brass-three-way-connect](https://www.desertcart.hk/products/148572121-air-compressor-check-valve-one-way-brass-three-way-connect) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-08-23*