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Wilkins 1-850 1-inch bronze full-port ball valve front view showing FNPT threaded ends and green lever handle, close-up of body

Wilkins 1-850 1" Full-Port Bronze Ball Valve, 1" FNPT

Brand: Zurn Industries, LLC
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$174.09
$130.57
SKU 1-850
In Stock (27)

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Compact and durable, the Wilkins 1-850 is a 1" full-port bronze ball valve engineered for reliable shutoff in residential, commercial, and light industrial water systems. Its straightforward quarter-turn design provides fast operation and dependable service.

  • Model: Wilkins 1-850 — 1" nominal size, FNPT threaded ends for easy inline installation.
  • Construction: Bronze body with lead‑free components and corrosion-resistant internal parts for long service life.
  • Flow & pressure: Full-port design for minimal pressure loss; rated to 400 PSI WOG for standard water and noncorrosive fluid applications.
  • Operation: 1/4-turn actuation with a lever handle for quick open/close; smooth, low-torque performance.
  • Compatibility: Common replacement part for Wilkins backflow assemblies and other irrigation or plumbing systems using 1" FNPT ball valves.
  • Service & replacement: Note that Zurn/Wilkins has introduced the 850XL family as an updated version; consult system specifications to determine whether 850 or 850XL is preferred for new installations.

This valve is intended for use as a shutoff or service isolation valve in potable water lines and related systems. For installation, follow local plumbing codes and the manufacturer's specification sheet; use appropriate thread sealant on FNPT connections and torque to recommended values. If you need the newer model, look for Wilkins 850XL versions which offer updated features and interchangeability where specified.

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Frequently Asked Questions

What pipe connection does the Wilkins 1-850 use?
The 1-850 features 1" FNPT female threaded ends for inline installation with standard NPT fittings.
What pressure and flow ratings does this valve have?
This full-port ball valve is rated to 400 PSI WOG and provides minimal pressure loss for normal water service.
Is the 1-850 suitable for potable water systems?
Yes. The valve uses lead-free components and is designed for potable water and common noncorrosive fluids.
Should I choose the 850XL instead of the 850 model?
The 850XL is the newer family; check system requirements or consult specifications to confirm interchangeability.

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