Is the BSPT Male Threaded End Carbon Steel Fitting – CNPH Heavy Duty Type compatible with standard BSPT ports and clamps for high-pressure hose assemblies?

Yes — the BSPT Male Threaded End Carbon Steel Fitting – CNPH Heavy Duty Type is compatible with standard BSPT ports, since it features an external tapered BSPT thread designed to mate with corresponding BSPT female ports, providing a pressure-tight metal-to-metal seal when properly engaged. However, for high-pressure hose assemblies the CNPH fitting is intended to be used with its dedicated CNFH clamping sleeve. The CNFH sleeve enhances sealing and mechanical retention for high-strength rubber and plastic hoses under high pressure, so using the CNPH with standard BSPT ports plus the recommended CNFH clamp sleeve ensures optimal sealing, mechanical strength and safe operation. Without the CNFH sleeve, sealing and clamp performance on high-pressure hose assemblies may be compromised.

Can the BSPT Male Threaded End Carbon Steel Fitting – CNPH Heavy Duty Type be used with non-CNFH clamping sleeves without compromising seal integrity and pressure rating?

No — the BSPT Male Threaded End Carbon Steel Fitting – CNPH Heavy Duty Type should not be used with non-CNFH clamping sleeves if you want to maintain guaranteed seal integrity and pressure rating. The CNPH design relies on the dedicated CNFH clamping sleeve to provide the specific sealing geometry and mechanical reinforcement required for high-pressure, heavy‑duty applications. Using an alternative sleeve may not match the tail profile, sealing surface, or clamping force, which can lead to leaks, reduced pressure capacity, premature wear or failure, and voided performance expectations. For safe, reliable operation and to preserve the rated pressure and service life, use the recommended CNFH clamping sleeve.

BSPT Male Threaded End Carbon Steel Fitting – CNPH Heavy Duty Type

All products, Low-pressure fittings and adapters/

Additional information

Material	CS – steel (cast iron)

The CNPH HEAVY DUTY end fitting with external tapered BSPT thread is a robust and reliable solution engineered for demanding industrial applications. Manufactured from high-quality carbon steel and finished with durable galvanization, it ensures long-lasting resistance to wear, corrosion, and harsh working environments. Its specially designed “tail” construction provides a secure and stable connection for high-strength rubber and plastic hoses, guaranteeing safe and efficient performance even under high pressure. For optimal installation, the fitting is used together with the dedicated CNFH clamping sleeve, which enhances sealing and mechanical strength, minimizing downtime and maintenance costs. This heavy-duty component is the ideal choice for industries requiring maximum durability, safety, and efficiency in hose connections, offering a professional-grade solution that supports continuous and reliable operation.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
AC-CNPH-150	CNP HD end with GZ BSPT 1.1/2" for hose 1.1/2", galvanized steel	40	50	In stock	Enquiry
AC-CNPH-200	CNP HD end with GZ BSPT 2" for 2" hose, galvanized steel	50	50	In stock	Enquiry
AC-CNPH-250	CNP HD end with GZ BSPT 2.1/2" for hose 2.1/2", galvanized steel	65	50	In stock	Enquiry
AC-CNPH-300	CNP HD end with GZ BSPT 3" for 3" hose, galvanized steel	75	50	In stock	Enquiry
AC-CNPH-400	CNP HD end with GZ BSPT 4" for 4" hose, galvanized steel	100	30	In stock	Enquiry
AC-CNPH-500	CNP HD end with GZ BSPT 5" for 5" hose, galvanized steel	125	30	In stock	Enquiry
AC-CNPH-600	CNP HD end with GZ BSPT 6" for 6" hose, galvanized steel	150	30	In stock	Enquiry
AC-CNPH-800	CNP HD end with GZ BSPT 8" for 8" hose, galvanized steel	200	20	In stock	Enquiry

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The CNPH HEAVY DUTY end fitting with external tapered BSPT thread is a robust and reliable solution engineered for demanding industrial applications. Manufactured from high-quality carbon steel and finished with durable galvanization, it ensures long-lasting resistance to wear, corrosion, and harsh working environments. Its specially designed “tail” construction provides a secure and stable connection for high-strength rubber and plastic hoses, guaranteeing safe and efficient performance even under high pressure. For optimal installation, the fitting is used together with the dedicated CNFH clamping sleeve, which enhances sealing and mechanical strength, minimizing downtime and maintenance costs. This heavy-duty component is the ideal choice for industries requiring maximum durability, safety, and efficiency in hose connections, offering a professional-grade solution that supports continuous and reliable operation.