Vatette Coupling Nut Yellow
Vatette coupling nut in DZR brass (CR) for copper, steel and PEX pipes across tap water, heating and cooling systems (PN16 rated, max 120°C).
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Vatette Coupling Nut Yellow
Description
Vatette coupling nut is the original nut for market-leading Vatette compression ring couplings. It is used together with a screw part and a compression ring to create a safe, tight and durable pipe joint in professional plumbing installations as well as for home repairs. The nut is available in a complete dimension range from Dy 8 mm up to Dy 54 mm.
Benefits & Features
- Complete system: A complete Vatette compression ring coupling consists of a screw part, compression ring and nut.
- Wide range of dimensions: Available in dimensions from Dy8 to Dy54 to fit everything from smaller tap water pipes to larger mains.
- Pre-lubricated: The couplings and nuts are pre-lubricated at the factory and normally do not require additional lubrication during installation.
- Lightened pipe threads: Lightened pipe threads on straight couplings with a flat end (type 1136) provide optimal adhesion for thread sealant/line.
- Flexible compatibility: All products with a Vatette end can be supplemented and adapted with coupling sets and support sleeves for different pipe types.
- Type-approved safety: Parts in contact with water and nuts (marked with CR) are made of type-approved dezincification-resistant brass (DZR) for maximum service life and corrosion resistance.
Compatible Pipe Types
Vatette compression ring coupling is developed for versatility and is type approved for connection to several different types of pipes:
- Copper pipes (hard, semi-hard and annealed – note! Support sleeve required for soft and annealed pipes)
- Stainless steel pipes
- Electro-galvanized steel pipes
- PEX pipes / Plastic and composite pipes (with correctly adapted coupling set/support sleeve)
Areas of use
Suitable for both new installation and renovation and service work:
- Drinking water systems (cold and hot water)
- Heating systems (radiator circuits, underfloor heating and distribution pipes)
- Cooling systems and recycling circuits
Installation & Advice
- Cutting and deburring: Cut the pipe perpendicularly with a pipe cutter. Deburr the inside and outside of the pipe carefully to avoid damaging the coupling or the compression ring.
- Support sleeve: Always use a support sleeve when installing soft copper pipes and PEX pipes according to the applicable industry regulations Säker Vatten.
- Installation: Slide the nut and clamping ring onto the pipe, slide the pipe into the bottom of the coupling and tighten the nut by hand.
- Tightening: Tighten the nut with a suitable wrench/block wrench according to Vatette's recommended tightening torque. Avoid overtightening, as the coupling is already pre-lubricated.
Specifications
- Material: Dezincification-resistant brass (CR / DZR)
- Color / Surface treatment: Yellow (brass)
- Function: Compression coupling for tap water / heating / cooling
- Pressure class: PN16 (max 16 bar)
- Maximum working temperature: +120 °C
- Marking: CR (dezincification-resistant brass)

