Is the BSPT male threaded end, carbon steel CNP type compatible with rubber and plastic industrial hoses and secured with straps, clamps, or CNFL crimping sleeves?

Yes. The BSPT male threaded end, carbon steel, CNP type is specifically designed for rubber and plastic industrial hoses. It has an external BSPT tapered thread and a hose âtail,â and is intended to be secured using straps, clamps, or CNFL-type crimping sleeves. The material (carbon steel, galvanized) and the described installation methods make it compatible and suitable for those hose types when fitted and tightened according to appropriate assembly and safety practices.

Can BSPT male threaded end, carbon steel, CNP type withstand industrial chemical exposure from rubber or plastic hoses?

BSPT male threaded end, carbon steel, CNP type: Generally suitable for connection to rubber or plastic industrial hoses as described (galvanized carbon steel with hose tail, installed by straps, clamps or CNFL crimping sleeves). However, resistance to chemical exposure depends on the specific chemicals, concentrations, temperature and exposure duration. Galvanized carbon steel offers basic corrosion protection but can be attacked by strong acids, alkalis, chlorides, solvents and some aggressive chemicals commonly found in industrial fluids or in certain rubber/plastic additives. For continuous or harsh chemical exposure, consider stainless steel or chemically resistant coatings/seals and verify compatibility of hose material and clamp/crimp components. Perform a chemical compatibility check with actual fluids and service conditions before use.

How do I size the BSPT male threaded end, carbon steel, CNP type to match hose inner diameter and tail length requirements?

To size the BSPT male threaded end, carbon steel, CNP type to match hose inner diameter and tail length requirements, follow these steps: 1. Identify hose inner diameter (ID): Measure the hose ID you intend to use. The CNP tail must match or be slightly smaller than the hose ID to allow secure attachment. 2. Select nominal BSPT thread size by matching hose size: Use hose ID to choose the corresponding CNP nominal size that lists compatible hose IDs (e.g., a 1/2", 3/4", 1" CNP). If no table is available, select the CNP whose tail outer diameter (OD) is approximately equal to the hose ID minus the hose wall thickness so the hose fits over the tail. 3. Check tail diameter and profile: Confirm the actual tail OD and any barbs or steps on the CNP tail. For smooth tails, the tail OD should be 90â98% of hose ID for clamp attachment. For barbed tails, the OD may be slightly larger (100â105%) to ensure bite. 4. Verify tail length: Ensure the CNP tail length provides adequate insertion depthâminimum engagement typically 1.5â2Ã hose diameter or at least past the first barb/step. For high-pressure or crimped connections, follow crimp sleeve (CNFL) manufacturer recommendations for minimum insertion length. 5. Choose attachment method and adjust sizing: - Straps/clamps: Use a tail OD slightly less than hose ID for easy push-on and clamp over the tail. Ensure tail length allows at least two clamp positions. - Standard clamps: Provide 10â15 mm of hose beyond clamp edge; ensure tail length accommodates. - CNFL crimp sleeves: Use specified tail OD and insertion depth from sleeve vendor; crimping requires precise OD match for correct crimp height. 6. Material and thread considerations: BSPT is tapered; ensure thread size matches mating female BSPT or appropriate adapter. Carbon steel, galvanized CNP is for rubber/plastic hoses; confirm chemical compatibility and required torque for the BSPT tapered connection using thread sealant or PTFE where applicable. 7. Pressure and safety margin: For higher pressures, prefer crimped CNFL assemblies and longer insertion depth. Validate assembly with pressure testing per application standards. 8. Final check: Confirm combined hose ID, hose wall thickness, tail OD, insertion depth, and selected attachment method (strap/clamp/CNFL). If available, consult CNP product datasheet or supplier for exact matching tables and recommended crimping specs. Following these rules ensures the BSPT male threaded end, carbon steel, CNP type fits the hose ID and provides adequate tail length for a secure connection.

Fitting with a BSPT male thread, carbon steel, type CNP

All products, Low-pressure fittings and adapters/

Additional information

Material	CS – steel (cast iron)

Fitting type CNP terminated with a tapered BSPT male thread made of galvanized steel with a “tail” for a hose. Intended for rubber hoses and industrial plastic hoses. Assembly by means of bands, clamps or special sheet-metal ferrules of the CNFL type. Material: carbon steel, galvanized.

List of product variants

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

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Fitting type CNP terminated with a tapered BSPT male thread made of galvanized steel with a “tail” for a hose. Intended for rubber hoses and industrial plastic hoses. Assembly by means of bands, clamps or special sheet-metal ferrules of the CNFL type. Material: carbon steel, galvanized.