{"product_id":"spiral-fittings-np","title":"NP MALE COUPLING","description":"\u003cstyle\u003e\na {\n    text-decoration: none;\n    color: #464feb;\n}\ntr th, tr td {\n    border: 1px solid #e6e6e6;\n}\ntr th {\n    background-color: #f5f5f5;\n}\n\u003c\/style\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eNP Male Coupling (NS) – Internal Duct Connector for Circular Systems\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNP Male Coupling (NS)\u003c\/strong\u003e is a durable and reliable fitting designed to join circular ductwork in HVAC systems. Engineered for use with both \u003cstrong\u003espiral and plain round ducts\u003c\/strong\u003e, it provides a secure internal connection that ensures efficient airflow and a clean, professional installation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQuick \u0026amp; Simple Installation\u003c\/strong\u003e\u003cbr\u003eThe coupling is fitted by inserting both ends into adjoining ducts up to the central stop, ensuring accurate alignment and fast installation. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSecure Internal Joint\u003c\/strong\u003e\u003cbr\u003eDesigned as an internal connector, it creates a neat and unobtrusive joint while maintaining consistent internal airflow. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReliable Mechanical Fixing\u003c\/strong\u003e\u003cbr\u003eEasily secured using \u003cstrong\u003eself-drilling screws or rivets\u003c\/strong\u003e, providing a strong and stable connection. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eImproved Airtightness Options\u003c\/strong\u003e\u003cbr\u003eAirtightness can be enhanced up to \u003cstrong\u003eClass B\u003c\/strong\u003e by applying sealing tapes such as TAL, MET, or DUCT. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWide Range of Sizes\u003c\/strong\u003e\u003cbr\u003eAvailable in diameters from small to large (approx. \u003cstrong\u003eØ80 mm to Ø1600 mm\u003c\/strong\u003e), suitable for various HVAC applications. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJoining spiral ductwork\u003c\/li\u003e\n\u003cli\u003eConnecting plain round ducts\u003c\/li\u003e\n\u003cli\u003eHVAC and ventilation systems\u003c\/li\u003e\n\u003cli\u003eCommercial and industrial air distribution networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInternal male coupling with central stop\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003eround duct systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLightweight but strong construction\u003c\/li\u003e\n\u003cli\u003eEasy push-fit installation method\u003c\/li\u003e\n\u003cli\u003eMultiple material and size options available \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"McCaig 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