Value Brand Pipe Nipple Steel 3/4 in NPT 7 in
Steel pipe nipple with NPT threads handles air, gas, oil and steam at 300 psi
- Handles air, gas, oil and non-potable water service
- Schedule 40 steel rated for 300 psi at 150 °F
- Steam duty up to 150 psi at 350 °F
- Electric-resistance welded construction for leak-resistant threads
- 3/4 in NPT threads fit standard Schedule 40 piping
Steel pipe nipple for industrial piping
This 3/4 inch NPT threaded nipple is made from welded steel with a black coating. It suits air, natural gas, non-potable water, oil and steam lines in Schedule 40 systems. The 7 inch overall length connects two female-threaded components in a straight run.
Pressure and temperature limits in service
The fitting handles up to 300 psi at 150 degrees F for general fluids and 150 psi at 350 degrees F for steam. Electric resistance weld construction maintains integrity under these conditions. No moving parts mean silent operation and zero power draw.
Threaded Schedule 40 connection requirements
Both ends use 3/4 inch NPT threads so the nipple mates with matching Schedule 40 fittings, valves or equipment. The 1 3/64 inch outside diameter fits standard pipe wrenches for installation. It does not suit potable water systems or pressures beyond the rated limits.
How it compares
Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.
- Price $2.99
- Cheaper than about 90% of the 2,955 comparable items (median $17.99).
Specifications
| Product | |
|---|---|
| Brand name | ZORO SELECT |
Questions about this item
How do I install the 3/4 in NPT threaded ends on Schedule 40 steel pipe, and what step is often missed?
Clean threads thoroughly, apply pipe-thread sealant or tape rated for 300 psi at 150 Degrees F, tighten to the fitting compatibility spec, then pressure-test before covering the joint.
What maintenance or replacement will the black-coated steel nipple need over time?
Inspect the electric-resistance-weld seam and black finish annually for corrosion or scale; replace if wall loss appears or if steam service exceeds 150 psi at 350 Degrees F.
What limit appears first during sustained high-pressure steam use?
The 150 psi maximum steam pressure at 350 Degrees F is reached well before the 300 psi air or water rating, so steam duty governs the design envelope.
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