Is the Nickel-Plated Brass Plug with Male Thread, Type A7 suitable for use in both hydraulic and pneumatic systems up to 60 bar?

Yes. The Nickel-Plated Brass Plug with Male Thread, Type A7 is suitable for use in both hydraulic and pneumatic systems up to 60 bar. Its nickel-plated brass construction provides excellent corrosion and wear resistance, the hexagon socket head enables secure tightening for a leak-free connection, and the precise BSP male threading ensures a dependable seal—making it appropriate for demanding hydraulic, pneumatic, and industrial applications up to the specified working pressure.

Can the Nickel-Plated Brass Plug with Male Thread, Type A7 withstand exposure to seawater or marine environments without accelerated corrosion?

Nickel-Plated Brass Plug with Male Thread, Type A7 offers good general corrosion resistance due to its high‑quality brass body and nickel plating. This makes it suitable for many demanding and moist environments and helps protect against wear and mechanical stress. However, exposure to seawater or prolonged marine environments is especially aggressive: chloride ions promote dezincification of brass and can breach nickel plating over time, leading to accelerated corrosion and loss of mechanical integrity. If you plan continuous or long-term use in seawater or splash/marine atmospheres, Nickel-Plated Brass Plug with Male Thread, Type A7 is not the optimal choice for maximum longevity. For marine applications consider materials with superior chloride resistance such as stainless steels specified for marine use (e.g., duplex or super‑austenitic grades), titanium, or bronze/alloys specifically engineered for seawater. If using the A7 plug in occasional or short‑term marine exposure, implement mitigations: thorough rinsing with fresh water, regular inspection, protective coatings, or sacrificial anodes to extend service life.

Nickel-Plated Brass Plug with Male Thread, Type A7

All products, Threaded pneumatic fittings/

Additional information

Material	B – brass (bronze)

The closing screw with external BSP thread type A7 is a reliable and durable solution designed for demanding applications where precision and safety are essential. Manufactured from high-quality nickel-plated brass, it ensures excellent resistance to corrosion, wear, and mechanical stress, making it suitable for long-term use even in challenging environments. The hexagon socket head allows for easy installation and secure tightening, guaranteeing a leak-free connection and optimal performance. With a working pressure of up to 60 bar, this component is engineered to deliver consistent results in hydraulic, pneumatic, and industrial systems. Its robust construction and precise threading provide a dependable seal, reducing downtime and maintenance costs. This closing screw is an ideal choice for professionals seeking a high-performance, versatile, and cost-effective solution that combines strength, reliability, and ease of use.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
MW-2107000	A7 plug, GZ M5, NBR o-ring	-	60
MW-2107001	A7 plug, GZ BSP 1/8", NBR o-ring	-	60
MW-2107002	A7 plug, GZ BSP 1/4", NBR o-ring	-	60
MW-2107003	A7 plug, GZ BSP 3/8", NBR o-ring	-	60
MW-2107004	A7 plug, GZ BSP 1/2", NBR o-ring	-	60
MW-2107005	A7 plug, GZ M7, NBR o-ring	-	60

The closing screw with external BSP thread type A7 is a reliable and durable solution designed for demanding applications where precision and safety are essential. Manufactured from high-quality nickel-plated brass, it ensures excellent resistance to corrosion, wear, and mechanical stress, making it suitable for long-term use even in challenging environments. The hexagon socket head allows for easy installation and secure tightening, guaranteeing a leak-free connection and optimal performance. With a working pressure of up to 60 bar, this component is engineered to deliver consistent results in hydraulic, pneumatic, and industrial systems. Its robust construction and precise threading provide a dependable seal, reducing downtime and maintenance costs. This closing screw is an ideal choice for professionals seeking a high-performance, versatile, and cost-effective solution that combines strength, reliability, and ease of use.