Check Valve 1/4-Inch, One-Way Pneumatic Fitting

Brief Overview

This 1/4-inch check valve is a essential one-way flow control fitting for pneumatic systems across production, medical, construction, automotive, and industrial applications. The valve's simple yet effective design ensures compressed air flows in only one direction—critical for preventing backflow in measurement systems, tool circuits, and equipment protection. When building a complete pneumatic system, pair this check valve with compatible components like larger capacity check valves in 3/8-inch or 1/2-inch sizes for scalable flow management, or integrate pressure relief valves for comprehensive system safety.

Key Features

• One-way flow control: Allows air to pass in one direction only; blocks reverse flow automatically
• Nickel-plated brass construction: Corrosion-resistant finish with excellent durability in harsh environments
• High abrasion resistance: Withstands repeated pressure cycles without material degradation
• High impact strength: Reliable performance under shock loads and pressure spikes
• Compact inline design: Hexagonal nut fittings enable tool-friendly installation and removal
• Wide fluid compatibility: Operates with compressed air, water, oil, and other non-corrosive fluids
• NBR sealing: Standard nitrile rubber seals provide reliable one-way operation

Technical Specifications

Specification	Value
Connection Size	1/4-Inch
Operating Pressure Range	0–10 bar (0–1.0 MPa)
Maximum Air Flow	1,300 L/min
Working Temperature	–5°C to +60°C
Body Material	Nickel-plated Brass
Seal Material	NBR (Nitrile Rubber)
Fitting Type	Hexagonal Nut (wrench-compatible)
Function	One-way (check) valve

Business Advantages for Resellers

• High margin product: Compact, low-cost component with consistent demand across industrial sectors
• Broad market appeal: Essential for pneumatic system builders, equipment manufacturers, and maintenance shops
• Bulk-order friendly: Lightweight, stackable design reduces shipping costs per unit
• Cross-selling opportunity: Pairs naturally with pressure relief valves, connectors, and larger check valve sizes
• Reliable supplier positioning: Establishes your shop as a complete pneumatic systems source

Why This Valve Matters

Backflow prevention is non-negotiable in pneumatic circuits. Without a check valve, reverse pressure can damage tools, corrupt measurement readings, or contaminate storage tanks. This 1/4-inch model handles the high flow rate (1,300 L/min) needed for real-world shop applications while maintaining a compact footprint that fits tight mounting spaces.

The nickel-plated brass body resists corrosion and wear, making it suitable for both clean and industrial environments. The reliable NBR seal ensures consistent one-way operation across thousands of pressure cycles—critical for high-availability equipment.

---

Ready to stock up? This check valve is a foundational component for any pneumatic system catalog. Order in volume to maximize margin and position your shop as a trusted supplier of essential pneumatic components.