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.
Current catalog configurations
Shop Threaded Male NPT Pump Connectors

C/S MNPT X C/S MNPT

SS MNPT X SS MNPT

SS Male NPT X 150# SS Female NPT Threaded Union

C/S Male NPT X 150# C/S Female NPT Threaded Union
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.

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.
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.
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.


