--- product_id: 488498944 title: "Bonuci 4 Pcs 1/4\" Male 150 Psi Npt Pressure Relief Valve Air Compressor Check Brass Safety Valve" brand: "bonuci" price: "¥6918" currency: JPY in_stock: true category: "Bonuci" url: https://www.desertcart.jp/products/488498944-bonuci-4-pcs-1-4-male-150-psi-npt-pressure store_origin: JP region: Japan --- # 150 PSI Max Pressure Relief High Temp Tolerance -65°F to 250°F 1/4" Male NPT Threaded Precision Bonuci 4 Pcs 1/4" Male 150 Psi Npt Pressure Relief Valve Air Compressor Check Brass Safety Valve **Brand:** bonuci **Price:** ¥6918 **Availability:** ✅ In Stock ## Summary > 💡 Stay ahead of pressure spikes with Bonuci’s brass safety valves – your compressor’s best defense! ## Quick Answers - **What is this?** Bonuci 4 Pcs 1/4" Male 150 Psi Npt Pressure Relief Valve Air Compressor Check Brass Safety Valve by bonuci - **How much does it cost?** ¥6918 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/488498944-bonuci-4-pcs-1-4-male-150-psi-npt-pressure) ## Best For - bonuci enthusiasts ## Why This Product - Trusted bonuci brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Quad Pack Convenience:** Four valves included for seamless replacements and uninterrupted workflow. - • **Versatile Application:** Perfect for air, water, and oil discharge in industrial and professional settings. - • **Optimal Pressure Control:** Reliable 150 PSI pressure relief ensures your compressor system stays safe and efficient. - • **Premium Brass Durability:** Corrosion-resistant and built to withstand high temperatures and harsh environments. - • **Precision Safety Mechanism:** Automatically regulates pressure to prevent system overpressure or vacuum conditions. ## Overview The Bonuci 4-piece set of 1/4" Male NPT brass pressure relief valves offers reliable safety with a 150 PSI max pressure rating and a wide operating temperature range from -65°F to 250°F. Designed for air compressors, these valves provide corrosion resistance, high durability, and precise pressure regulation to protect your equipment from overpressure or vacuum damage. Ideal for professionals seeking dependable, long-lasting compressor safety components. ## Description Bonuci 4 Pcs 1/4" Male 150 Psi Npt Pressure Relief Valve Air Compressor Check Brass Safety Valve: desertcart.com: Industrial & Scientific ## Features - Package Includes: you will receive 4 pieces of 1/4 inch NPT threaded pressure relief valve with seal thread locks, enough quantity for your daily use and replacement, providing more convenience for you - Reliable and Sturdy: made of brass, the NPT threaded air compressor parts have corrosion resistance, high temperature ductility and low magnetic permeability, suitable for discharging air, water and oil from air compressor - Product Information: the working pressure of safety release valve is 150PSI, the flow is 178 cfm, and the temperature range is from -65 degrees Fahrenheit to +250 degrees Fahrenheit - Warm Tips: the 1/4 inch brass air pressure release valve for using in high temperature applications up to 250 degrees Fahrenheit, please pay attention to safety when using - Practical Function: the air compressor pressure valve can reduce overpressure or vacuum in the system; When the pressure in the air compressor box exceeds a preset level, the valve opens, allowing fluid or gas to escape to reduce the pressure; When the pressure drops below the preset level, the valve opens, allowing fluid or gas to be released into the system, then closes when the valve reaches the reset pressure limit ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BFPCLWR5 | | Best Sellers Rank | #86,064 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #53 in Relief Valves | | Brand Name | Bonuci | | Customer Reviews | 4.6 4.6 out of 5 stars (165) | | Exterior Finish | Brass | | Inlet Connection Size | 0.25 inches | | Inlet Connection Type | threaded | | Item Weight | 4.48 ounces | | Manufacturer | Bonuci | | Manufacturer Part Number | PS-Bonuci-630 | | Material Type | Brass | | Maximum Pressure | 150 psi | | Model Number | PS-Bonuci-630 | | Number of Items | 4 | | Number of Pieces | 4 | | Number of Ports | 4 | | Outlet Connection Size | 0.25 inches | | Outlet Connection Type | MNPT | | Size | 150 psi Set Pressure | | Thread Size | 1/4 inch | | Thread Type | Male NPT | | Unit Count | 4 Count | | Valve Type | Pressure Relief Valve | ## Product Details - **Brand:** Bonuci - **Exterior Finish:** Brass - **Inlet Connection Size:** 0.25 inches - **Inlet Connection Type:** threaded - **Material:** Brass - **Maximum Operating Pressure:** 150 psi - **Number of Ports:** 4 - **Outlet Connection Size:** 0.25 inches - **Outlet Connection Type:** MNPT - **Unit Count:** 4 Count ## Images ![Bonuci 4 Pcs 1/4" Male 150 Psi Npt Pressure Relief Valve Air Compressor Check Brass Safety Valve - Image 1](https://m.media-amazon.com/images/I/51S4sRL7fWL.jpg) ![Bonuci 4 Pcs 1/4" Male 150 Psi Npt Pressure Relief Valve Air Compressor Check Brass Safety Valve - Image 2](https://m.media-amazon.com/images/I/41fxxCi-WNL.jpg) ![Bonuci 4 Pcs 1/4" Male 150 Psi Npt Pressure Relief Valve Air Compressor Check Brass Safety Valve - Image 3](https://m.media-amazon.com/images/I/518I6rhP1wL.jpg) ![Bonuci 4 Pcs 1/4" Male 150 Psi Npt Pressure Relief Valve Air Compressor Check Brass Safety Valve - Image 4](https://m.media-amazon.com/images/I/51Jew0wvoHL.jpg) ![Bonuci 4 Pcs 1/4" Male 150 Psi Npt Pressure Relief Valve Air Compressor Check Brass Safety Valve - Image 5](https://m.media-amazon.com/images/I/51NJchdqGRL.jpg) ## Available Options This product comes in different **Size, Item Package Quantity** options. ## Frequently Bought Together - Bonuci 4 Pcs 1/4" Male NPT Safety Valve Air Compressor Pressure Relief Brass Safety Check Valve (150 psi Set Pressure) - SENCTRL 60 Psi Glycerin Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, Pool Sand Filter Water Pump Tire Water Oil Air Pressure Test - Air Compressor Pilot check valve unloader combination gas discharge 95-125 1/2" FPT TOP INLET X 1/2" MNPT OUTLET FOR GAS COMPRESSORS --- ## 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.jp/products/488498944-bonuci-4-pcs-1-4-male-150-psi-npt-pressure](https://www.desertcart.jp/products/488498944-bonuci-4-pcs-1-4-male-150-psi-npt-pressure) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-24*