3 Pack 6mm Pneumatic Check Valve Connector, 6mm Disposable Air Plugs for Compressed Air Systems, Compressors, Air Pipes, Quick Connect Fittings, Durable

The pneumatic check valve connectors are made of aluminum and NBR seals, corrosion-resistant, rustproof and durable for long-term use in compressed air systems. 6mm pneumatic plugs effectively prevent return to air lines, ensure stable pressure maintenance and reduce leakage for industrial and DIY applications. Ideal for compressors, air circuits, air lines, air spring systems, mechanical engineering and DIY projects, flexible and space-saving. Quick connect connectors allow easy mounting without additional joints, release rings make disassembly easy, 360 swivel for comfort. Operates at 0.05-1.0MPa, temperature range from 0 to 140°F, stainless steel cartridge fuse ensures a firm, durable and stable hold under changing pressure conditions.