Pipe Nipples & Couplings — ASTM Certified

ASTM / ASME certified · NPT & BSP threads · Sizes 1/8″–12″ · Custom orders accepted · Ships to USA, Canada & Europe in 15–25 days

 

PIPE NIPPLE SERIES

Pipe Nipple

Close · Short · Long · Barrel

steel pipe nipple

A short pipe, externally threaded on both ends. The go-to connector for extending runs and bridging fittings.

 

PIPE COUPLING SERIES

Pipe Coupling

Full · Half · Reducing

Various sizes of steel pipe couplings

An internally threaded sleeve that joins two pipe ends. Compact, flush, and built for inline connections.

 
 

Technical Comparison

Specifications

Pipe Nipple Pipe Coupling
Thread type NPT / BSP / BSPT NPT / BSP / BSPT
Size range 1/8" – 8" 1/8" – 6"
Thread position External (M × M) Internal (F × F)
Material CS · SS304 · SS316 · Brass CS · SS304 · SS316
Pressure rating Up to 3,000 PSI Up to 3,000 PSI
Body length 38.1 – 304.8 mm 8.7376 – 101.6 mm
Standard ASME B16.11 ASME B16.11
Best for Extend · Bridge fittings Inline pipe joint
MOQ 100 pcs 100 pcs
Lead time 7 – 14 days 7 – 14 days

Not sure? We'll spec it.

Send your system drawing — or just a rough sketch. Our engineers will recommend the right fitting at no charge.