Is Thread Sealer AN30-243, Pen Applicator safe for use in drinking water systems and KTW-certified?

Yes. Thread Sealer AN30-243, Pen Applicator Format is KTW-certified and specifically stated as suitable for use in drinking water systems. It provides medium viscosity and medium strength thread locking up to M36, allows disassembly with standard tools, and operates from -60°C to +150°C. Packaged in 20 ml and 50 ml pen formats for precise application.

Can Thread Sealer AN30-243, Pen Applicator be used on stainless steel fittings in potable water installations without affecting corrosion resistance?

Yes. Thread Sealer AN30-243, Pen Applicator Format is KTW-certified for drinking water systems, which indicates it is formulated and tested as safe for potable water installations. The product is an anaerobic sealant designed for metal threads, offers medium viscosity/strength, allows disassembly with standard tools, and is suitable for threads up to M36 and a wide temperature range (–60°C to +150°C). Those attributes, together with the KTW approval, support its use on stainless steel fittings in potable water systems without adversely affecting corrosion resistance when applied as directed. Ensure surfaces are clean/dry and follow manufacturer instructions and any local potable-water installation standards.

Thread Sealer AN30-243, Pen Applicator

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Additional information

This anaerobic sealant is designed to provide reliable protection against the loosening of screws, offering medium viscosity and medium strength for versatile use in a wide range of applications. Certified with KTW approval, it is perfectly suited for installations in drinking water systems, ensuring safety and compliance with the highest standards. The product allows for secure fastening while still enabling disassembly with standard tools whenever maintenance or adjustments are required. Suitable for thread sizes up to M36, it delivers dependable performance even under demanding conditions. With an impressive operating temperature range from -60°C to +150°C, it guarantees durability and stability in both extreme cold and high heat environments. Conveniently packaged in a practical “pen” format, available in 20 ml and 50 ml capacities, it ensures precise application, reduced waste, and maximum efficiency. This makes it an excellent choice for professionals seeking a high-quality, easy-to-use solution that combines reliability, safety, and convenience in one product.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]	Enquiry
WE-AN30-243-P-020	Sealant AN30243 - pen 20 ml	-	-
WE-AN30-243-P-050	Sealant AN30243 - pen 50 ml	-	-

This anaerobic sealant is designed to provide reliable protection against the loosening of screws, offering medium viscosity and medium strength for versatile use in a wide range of applications. Certified with KTW approval, it is perfectly suited for installations in drinking water systems, ensuring safety and compliance with the highest standards. The product allows for secure fastening while still enabling disassembly with standard tools whenever maintenance or adjustments are required. Suitable for thread sizes up to M36, it delivers dependable performance even under demanding conditions. With an impressive operating temperature range from -60°C to +150°C, it guarantees durability and stability in both extreme cold and high heat environments. Conveniently packaged in a practical “pen” format, available in 20 ml and 50 ml capacities, it ensures precise application, reduced waste, and maximum efficiency. This makes it an excellent choice for professionals seeking a high-quality, easy-to-use solution that combines reliability, safety, and convenience in one product.