Threaded flexible metal hose assemblies

Threaded Male NPT Pump Connectors

Shop flexible metal hose pump connectors with male NPT and threaded-union end configurations for compatible HVAC, mechanical, and industrial piping systems.

USA FabricationPublished USA manufacturing, fabrication, and testing
Technical Selection HelpCall 770-627-6941
Secure Online OrderingExisting WooCommerce checkout
Custom ConfigurationsSend size, length, ends, and service details

Built around the connection

Male NPT and Threaded Union Configurations

NPT is a tapered pipe-thread system covered by ASME B1.20.1. Confirm the nominal size and mating thread before ordering.

Male NPT x male NPT
Male NPT x female threaded union
Carbon-steel or 304 stainless-steel end fittings
C/S MNPT X C/S MNPT

Configuration details

How to Specify a Threaded Pump Connector

Select the connection on each end, nominal size, overall length, fitting material, and the applicable service conditions.

01Confirm the mating thread and nominal size
02Measure the complete end-to-end length
03Review media, pressure, temperature, and movement

Specify with confidence

Common HVAC and Industrial Applications

Threaded assemblies are often considered for smaller compatible piping connections in hydronic, mechanical-room, and general industrial service.

01Hydronic pump connections
02Boiler and chiller piping
03Maintenance replacement assemblies

Buyer questions

Threaded Male NPT Pump Connectors FAQs

What is the difference between male NPT and a threaded union?

Male NPT threads into a compatible female NPT connection. A threaded union provides a separable connection that can simplify removal when the system design supports it.

Which sizes and lengths are available?

Size and length choices vary by product. Use the live selectors on the individual product page for the current available combinations.

Are carbon-steel and stainless-steel ends available?

Published products include both carbon-steel and 304 stainless-steel end-fitting configurations. Check the selected product for its exact construction.

Can I request a non-standard configuration?

Yes. Use Build Your Assembly to provide the required end connections, material, size, length, and application details.

Need help confirming the right assembly?

Send your size, end connections, length, material, and operating details.