--- product_id: 26765660 title: "Prince RD512CA5A4B1 Directional Control Valve, Single Spool, 4 Ways, 3 Positions, Spring Center To Neutral, Cast Iron, 3000 psi, Lever Handle, 30 gpm, In/Out: 3/4\" NPTF, Work 1/2\" NPTF" brand: "prince" price: "£313.82" currency: GBP in_stock: true reviews_count: 4 category: "Prince" url: https://www.desertcart.co.uk/products/26765660-prince-rd512ca5a4b1-directional-control-valve-single-spool-4-ways-3 store_origin: GB region: United Kingdom --- # 3/4" NPTF threaded ports 4-way, 3-position spool 3000 psi max pressure Prince RD512CA5A4B1 Directional Control Valve, Single Spool, 4 Ways, 3 Positions, Spring Center To Neutral, Cast Iron, 3000 psi, Lever Handle, 30 gpm, In/Out: 3/4" NPTF, Work 1/2" NPTF **Brand:** prince **Price:** £313.82 **Availability:** ✅ In Stock ## Summary > ⚙️ Command Your Flow with Confidence — The Valve That Means Business ## Quick Answers - **What is this?** Prince RD512CA5A4B1 Directional Control Valve, Single Spool, 4 Ways, 3 Positions, Spring Center To Neutral, Cast Iron, 3000 psi, Lever Handle, 30 gpm, In/Out: 3/4" NPTF, Work 1/2" NPTF by prince - **How much does it cost?** £313.82 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/26765660-prince-rd512ca5a4b1-directional-control-valve-single-spool-4-ways-3) ## Best For - prince enthusiasts ## Why This Product - Trusted prince brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** High tensile gray cast iron body offers rugged durability for demanding industrial use. - • **Pressure Perfected:** Adjustable differential poppet relief valve from 1500 to 3000 psi for tailored system protection. - • **Seamless Integration:** Standard 3/4" NPTF threaded inlet/outlet ports for easy installation and compatibility. - • **User-Friendly Design:** Reversible lever handle and load check on each spool for intuitive, fail-safe operation. - • **Precision Control, Maximum Efficiency:** 4-way, 3-position spool with spring center ensures smooth, reliable directional flow. ## Overview The Prince RD512CA5A4B1 is a robust directional control valve featuring a 4-way, 3-position single spool design with spring center neutral. Crafted from high tensile gray cast iron, it withstands pressures up to 3000 psi and includes adjustable differential poppet relief for precise pressure management. Its reversible lever handle and load check spools ensure reliable, user-friendly operation, while standard 3/4" NPTF threaded ports guarantee easy integration into hydraulic systems. ## Description Economical monoblock construction of high tensile strength gray cast iron. Load check on each spool. Hard chrome plated spool. Differential poppet style relief, adjustable from 1500 to 3000 psi. Power beyond and closed center capability. Reversible handle. Review: Very Happy - Just like from the manufacturer. Works fine, looks great doing it. Make your purchase with confidence. Do not forget you may need your power beyond adapter. Review: high quality - Good product I am very happy ## Features - Spool: 4 Ways, 3 Positions, Single Acting Cylinder Spool, Spring Center ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0025PKDI2 | | Best Sellers Rank | #379,107 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #145 in Hydraulic Directional Control Valves | | Brand | Prince | | Brand Name | Prince | | Connector Type | Threaded | | Customer Reviews | 5.0 out of 5 stars 8 Reviews | | Exterior Finish | Chrome | | Inlet Connection Size | 3/4 Inches | | Inlet Connection Type | NPTF | | Manufacturer | Prince Manufacturing | | Manufacturer Part Number | RD512CA5A4B1 | | Material | Cast Iron | | Material Type | Cast Iron | | Maximum Pressure | 3000 Pound per Square Inch | | Model Number | RD512CA5A4B1 | | Number of Ports | 4 | | Outlet Connection Size | 3/4 Inches | | Outlet Connection Type | NPTF | | Size | 0.75 Inch | | Specification Met | certified frustration-free | | Thread Size | 3/4 inches NPTF | | Thread Type | NPT | | Unit Count | 1.0 Count | | Valve Type | Directional Control Valve | ## Product Details - **Material:** Cast Iron - **Brand:** Prince Manufacturing - **Exterior Finish:** Chrome - **Inlet Connection Size:** 3/4 Inches - **Inlet Connection Type:** NPTF - **Outlet Connection Type:** NPTF - **Maximum Operating Pressure:** 3E+3 Pound per Square Inch - **Number of Ports:** 4 - **Outlet Connection Size:** 3/4 Inches - **Specification Met:** certified frustration-free ## Images ![Prince RD512CA5A4B1 Directional Control Valve, Single Spool, 4 Ways, 3 Positions, Spring Center To Neutral, Cast Iron, 3000 psi, Lever Handle, 30 gpm, In/Out: 3/4" NPTF, Work 1/2" NPTF - Image 1](https://m.media-amazon.com/images/I/71orVPIkGjL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very Happy *by S***L on April 6, 2019* Just like from the manufacturer. Works fine, looks great doing it. Make your purchase with confidence. Do not forget you may need your power beyond adapter. ### ⭐⭐⭐⭐⭐ high quality *by P***L on January 13, 2019* Good product I am very happy ### ⭐⭐⭐⭐⭐ Five Stars *by A***R on August 2, 2017* Gr5eat replacement valve. ## Frequently Bought Together - Prince RD512CA5A4B1 Directional Control Valve, Single Spool, 4 Ways, 3 Positions, Spring Center To Neutral, Cast Iron, 3000 psi, Lever Handle, 30 gpm, In/Out: 3/4" NPTF, Work 1/2" NPTF - Apache 98399065 Universal Hydraulic Hose.25 x 24-in. - Quantity 1 - Apache 39004375 1/2" Male Pipe x 1/2" Female Pipe Swivel, Hydraulic Adapter --- ## 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.uk/products/26765660-prince-rd512ca5a4b1-directional-control-valve-single-spool-4-ways-3](https://www.desertcart.co.uk/products/26765660-prince-rd512ca5a4b1-directional-control-valve-single-spool-4-ways-3) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-07-03*