Is the NPT male threaded end, carbon steel, type CNP suitable for rubber and plastic industrial hoses and secured with straps, clamps, or CNFL clamping sleeves?

Yes. The NPT male threaded end, carbon steel, type CNP is suitable for rubber and plastic industrial hoses. It features an external tapered NPT thread and a hose âtailâ specifically designed to mate with rubber and plastic hose inner walls. Installation is intended to be performed using straps, clamps, or the dedicated CNFL type clamping sleeves, ensuring a secure connection. Made of carbon steel and galvanized for corrosion resistance, the CNP type provides a robust, compatible solution for hose terminations when installed with the recommended clamping methods.

Can the NPT male threaded end, carbon steel, type CNP with a galvanized tail be used with high-pressure industrial hoses?

Yes - the NPT male threaded end, carbon steel, type CNP with a galvanized tail can be used with highâpressure industrial hoses, but with conditions. It is designed for rubber and plastic industrial hoses and is installed with straps, clamps, or CNFL clamping sleeves. Key considerations: confirm the hoseâs maximum working pressure and temperature vs. the hose assembly (including clamps), ensure the NPT taper and thread engagement meet pressure sealing requirements (use proper sealant), verify the galvanizing and carbon steel are compatible with the fluid to avoid corrosion, and select heavyâduty clamps or CNFL sleeves rated for your specific high pressures. If pressures exceed the hose or clamp ratings, use fittings and assemblies specifically rated for those pressures.

Does the NPT male threaded end, carbon steel, type CNP with a galvanized tail resist corrosion in outdoor applications?

Yes. the NPT male threaded end, carbon steel, type CNP Format offers basic corrosion resistance for outdoor use thanks to its galvanized finish. Galvanization (typically zinc coating) protects the underlying carbon steel from rust by providing a sacrificial barrier and some cathodic protection. For typical outdoor, nonâmarine environments (exposed to rain, humidity, and standard industrial atmospheres) the galvanized CNP tail will perform adequately for a reasonable service life. Limitations and considerations: - Galvanized coatings wear over time, especially where there is abrasion, frequent handling, or repeated fitting/unfitting of hoses and clamps. Mechanical damage to the zinc exposes bare steel and accelerates corrosion. - In highly corrosive environments. coastal/marine (salt spray), industrial atmospheres with chlorides or sulfides, chemical exposure, or constant immersion. galvanization alone may not provide sufficient longâterm protection. - Contact with dissimilar metals, certain sealants or aggressive chemicals, and pooling water at joints can promote localized corrosion. - For improved durability outdoors consider additional protection: thicker hotâdip galvanizing, epoxy or polymer coatings, stainless steel components, or regular maintenance (inspection, touchâup coatings, corrosion inhibitors). Conclusion: The NPT male threaded end, carbon steel, type CNP Format with a galvanized tail resists corrosion in typical outdoor applications but may be inadequate in highly corrosive or abrasive conditions; evaluate environment and consider enhanced protection if needed.

NPT male threaded end, carbon steel, type CNP

All products, Low-pressure fittings and adapters/

Additional information

Material	CS – steel (cast iron)

CNP type end with external tapered NPT thread made of galvanized steel with a “tail” for hose. Designed for rubber and plastic industrial hoses. Installation using straps, clamps, or special CNFL type clamping sleeves. Material: carbon steel, galvanized.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
AC-CNPN-050	CNP end with GZ NPT 1/2" for 1/2" hose, galvanized steel	12	10	In stock	Enquiry
AC-CNPN-075	CNP end with GZ NPT 3/4" for 3/4" hose, galvanized steel	20	10	In stock	Enquiry
AC-CNPN-100	CNP end with GZ NPT 1" for 1" hose, galvanized steel	25	10	In stock	Enquiry
AC-CNPN-125	CNP end with GZ NPT 1.1/4" for hose 1.1/4", galvanized steel	32	10	In stock	Enquiry
AC-CNPN-150	CNP end with GZ NPT 1.1/2" for hose 1.1/2", galvanized steel	40	10	In stock	Enquiry
AC-CNPN-200	CNP end with GZ NPT 2" for 2" hose, galvanized steel	50	10	In stock	Enquiry
AC-CNPN-250	CNP end with GZ NPT 2.1/2" for hose 2.1/2", galvanized steel	65	10	In stock	Enquiry
AC-CNPN-300	CNP end with GZ NPT 3" for 3" hose, galvanized steel	75	10	In stock	Enquiry
AC-CNPN-400	CNP end with GZ NPT 4" for 4" hose, galvanized steel	100	10	In stock	Enquiry
AC-CNPN-500	CNP end with GZ NPT 5" for 5" hose, galvanized steel	125	10	In stock	Enquiry
AC-CNPN-600	CNP end with GZ NPT 6" for 6" hose, galvanized steel	150	10	In stock	Enquiry
AC-CNPN-800	CNP end with GZ NPT 8" for 8" hose, galvanized steel	200	10	In stock	Enquiry

Do you need a larger quantity of products or a bespoke quote?

Call us: +48 61 653 02 22 or email us: tubes@tubes-international.com

SEND ENQUIRY

CNP type end with external tapered NPT thread made of galvanized steel with a “tail” for hose. Designed for rubber and plastic industrial hoses. Installation using straps, clamps, or special CNFL type clamping sleeves. Material: carbon steel, galvanized.