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Bronze inline ball valve with locking lever handle

Nibco, Inc.

Nibco, Inc. T58570LL 1/2" FNPT Bronze Ball Valve Inline

SKU CH-XBFW-4NRKS

Bronze inline ball valve with full port, locking lever handle and 600 psi CWP rating for water, oil or gas lines

  • TypeOther
  • Full port design maximises flow capacity
  • Locking lever handle prevents accidental operation
  • Bronze body withstands 600 psi CWP pressure
  • Blowout-proof stem enhances operational safety
  • RPTFE seats handle temperatures up to 400°F

Purpose and fit

The Nibco T58570LL is a 1/2 inch FNPT bronze ball valve built for residential or light commercial plumbing. It serves installers who need a reliable inline shut-off with a full-port design that maintains flow capacity. The locking lever handle adds security against accidental operation in exposed locations. It is not intended for applications requiring larger pipe diameters or flanged connections.

Installation context

This valve threads directly onto 1/2 inch FNPT pipe ends without special tools or adapters. Its two-piece bronze body and PTFE body seal create a tight joint while the blowout-proof stem prevents stem ejection during pressure spikes. The RPTFE seats and chrome-plated brass ball reduce operating torque, freeing the installer from excessive force during commissioning. The zinc-plated steel handle with plastisol coating resists corrosion in damp mechanical rooms.

Thermal and pressure limits

The assembly is rated for 600 psi cold working pressure and 150 psi saturated steam service. It operates continuously across a temperature range of -20 to 400 degrees Fahrenheit without seat degradation. Silicon bronze stem material maintains strength at elevated temperatures while the PTFE body seal remains stable through thermal cycles. No external power or actuation is required, so the valve adds no electrical load to the system.

Highlights

  • Full port design maximises flow capacity
  • Locking lever handle prevents accidental operation
  • Bronze body withstands 600 psi CWP pressure
  • Blowout-proof stem enhances operational safety
  • RPTFE seats handle temperatures up to 400°F

Specifications

BrandNIBCO
TypeOther

Questions about this item

What is the maximum cold-water pressure the 1/2" FNPT bronze ball valve can handle?

The valve is rated for 600 psi CWP, so that is the pressure limit you will reach first under sustained use.

How hot does the valve body get when steam runs through it all day?

The body is rated to 150 psi WSP and a temperature range up to 400 degrees F, so it will operate within those limits during continuous steam service.

Which pipe threads must already be on the supply lines for this valve to connect?

The valve uses 1/2 inch FNPT x FNPT connections, so both supply lines need matching 1/2 inch male NPT threads.

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