Is the MWDSN Brass Drain Gland with GZ and GW Threads suitable for outdoor compressed air systems at temperatures down to -10°C?

Yes. The MWDSN Brass Drain Gland with GZ and GW Threads Format is suitable for outdoor compressed air systems down to -10°C. It is made of nickel-plated brass for corrosion resistance and durability, rated for an operating temperature range of -10°C to +80°C and a maximum working pressure of 12 bar, ensuring reliable performance in demanding environments while reducing noise and maintenance.

Can the MWDSN Brass Drain Gland with GZ and GW Threads be used in corrosive or marine environments without additional protective coatings?

The MWDSN Brass Drain Gland with GZ and GW Threads Format, made of high-quality nickel-plated brass, offers good baseline corrosion resistance and is well suited to many industrial and demanding environments. The nickel plating improves protection versus plain brass, and the material withstands typical moist and compressed-air conditions within the stated temperature (-10°C to +80°C) and pressure (max 12 bar) limits. However, for highly corrosive or marine environments (salt spray, brine, constant high humidity, or chemical exposure), nickel-plated brass alone may not provide long-term protection. Salt and aggressive chemicals can eventually penetrate plating, accelerate dezincification of brass, or cause pitting. For such environments you should either: - specify additional protective coatings or more corrosion-resistant materials (e.g., stainless steel), or - use sacrificial protection and regular maintenance (frequent inspection, rinsing, and replacement schedules). In summary: MWDSN Brass Drain Gland with GZ and GW Threads Format is suitable for many demanding applications, but for true marine or highly corrosive service additional protective measures or alternative materials are recommended to ensure long-term reliability.

MWDSN Brass Drain Gland with GZ and GW Threads

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Additional information

Material	B – brass (bronze)

The MWDSN drain valve with both external and internal thread is a reliable solution designed for compressed air systems, ensuring efficient performance while significantly reducing noise levels during operation. Manufactured from high-quality nickel-plated brass, it combines durability with resistance to corrosion, making it ideal for demanding industrial environments. With an operating temperature range from -10°C to +80°C and a maximum working pressure of 12 bar, this valve guarantees consistent functionality even under challenging conditions. Its robust construction and precise engineering not only extend the service life of the system but also contribute to smoother, quieter, and more energy-efficient operation. Perfect for modern compressed air installations, the MWDSN drain valve offers a balance of strength, safety, and performance, making it a dependable choice for professionals seeking long-term reliability and reduced maintenance costs.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
MW-W0970520021	Drain valve MW DSN, nickel-plated brass, GZ BSP 1/8", GW BSP 1/8"	-	-
MW-W0970520022	Drain valve MW DSN, nickel-plated brass, GZ BSP 1/4", GW BSP 1/8"	-	-
MW-W0970520023	Drain valve MW DSN, nickel-plated brass, GZ BSP 3/8", GW BSP 1/4"	-	-
MW-W0970520024	Drain valve MW DSN, nickel-plated brass, GZ BSP 1/2", GW BSP 1/4"	-	-

The MWDSN drain valve with both external and internal thread is a reliable solution designed for compressed air systems, ensuring efficient performance while significantly reducing noise levels during operation. Manufactured from high-quality nickel-plated brass, it combines durability with resistance to corrosion, making it ideal for demanding industrial environments. With an operating temperature range from -10°C to +80°C and a maximum working pressure of 12 bar, this valve guarantees consistent functionality even under challenging conditions. Its robust construction and precise engineering not only extend the service life of the system but also contribute to smoother, quieter, and more energy-efficient operation. Perfect for modern compressed air installations, the MWDSN drain valve offers a balance of strength, safety, and performance, making it a dependable choice for professionals seeking long-term reliability and reduced maintenance costs.