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Black steel pipe nipple with threaded ends

Beck C. H.

Beck C. H. 330031402 1-1/4" x 9-1/2" Black Pipe Nipple Sch 40 trap

SKU CH-RA73-60NGY MPN 330031402

A Schedule 40 black steel pipe nipple rated for 300 psi at 150 °F and 150 psi steam at 360 °F

  • Product typeDrain Components
  • Product colorTransparent
  • Schedule 40 rating handles 300 psi at 150 °F
  • Black anodized coating resists corrosion in air, gas and oil lines
  • Grade B steel construction welded for leak-free joints
  • 1-1/4 inch nominal size fits standard drain and trap assemblies
  • Manufactured in the USA under Beck quality standards

Beck 1-1/4" Schedule 40 Pipe Nipple

This black steel nipple measures 1-1/4 inches nominal size by 9-1/2 inches overall length. It is manufactured in the USA from Grade B welded steel with a black anodized finish. The component suits air, gas, non-potable water and oil lines rated for 300 psi at 150 degrees Fahrenheit or 150 psi steam at 360 degrees Fahrenheit.

For plumbing and industrial piping systems

Installers needing a Schedule 40 nipple for standard pressure service will find this part appropriate. It is not intended for potable water supply lines. Buyers who require a different nominal diameter, overall length or pressure class should select an alternative fitting.

Maximum operating pressure 300 psi at 150 degrees

This pressure and temperature rating determines whether the nipple matches the design limits of the piping system. Verify the service conditions against the 300 psi and 150 psi steam ratings before installation.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 88% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameBeck
Model name330031402
Product typeDrain Components
Product colorTransparent

Questions about this item

What thread size and length does the 330031402 nipple need to connect to a 1-1/4" Schedule 40 fitting?

The nipple has a nominal pipe size of 1 1/4 in and an overall length of 9-1/2 in, with tapered NPT threads on both ends for Schedule 40 connections.

How do I install the 330031402 without cracking the cast-iron hub, and what torque step is commonly missed?

Clean threads, apply pipe dope or PTFE tape, hand-tighten, then wrench-tighten one to two turns — stopping before bottoming out avoids stressing the hub.

When should I replace the 330031402 nipple in a 300 psi air line?

Replace it if you see external corrosion, thread deformation, or leakage at the joints; the steel body is rated for 300 psi at 150 °F and 150 psi steam at 360 °F.

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