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Lead-free 3/4-inch brass spring check valve, angled view showing hex ends, Buna-N rubber-coated poppet and stainless-steel spring.

6300-3/4 Lead-Free Brass Check Valve — 3/4 inch

Brand: American Granby, Inc
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$67.45
$50.59
SKU 6300-3/4

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The 6300-3/4 is a lead-free brass spring check valve engineered for reliable backflow prevention in water-well and cold-water systems. Built with proven materials and practical installation features, it delivers consistent sealing and long service life.

  • Lead-free brass body: Durable construction suitable for potable water and corrosion-resistant performance.
  • Buna-N rubber-coated poppet: Provides dependable sealing under both high and low pressure conditions.
  • Stainless-steel spring & Delrin guide: Corrosion-resistant spring and Delrin stem guide for smooth, dependable operation.
  • Performance: Rated to 400 psi WOG; hex ends simplify installation and wrenching.
  • Size & fit: Nominal 3/4" (0.75 in) valve; enters 1-1/2" casing — designed to integrate with common well fittings.
  • Vibration-proof design: Self-locking nut helps prevent loosening in pump and well installations.
  • Certifications & use: Meets NSF/ANSI 372 and is IAPMO R&T listed; intended for water-well and cold-water applications only.

Ideal for well systems and cold-water lines, the 6300-3/4 combines lead-free construction, reliable sealing components, and third-party listings for dependable field performance. Inspect periodically for wear and replace seals as needed. SKU: 6300-3/4.

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Frequently Asked Questions

What applications is this 3/4 inch check valve suitable for?
Designed for water-well and cold-water systems; not intended for hot water or steam applications.
How does the valve seal and prevent backflow?
A Buna-N rubber-coated poppet and stainless-steel spring provide reliable sealing across a wide pressure range.
Is this valve lead-free and certified for drinking water?
Yes. Lead-free brass body and listings to NSF/ANSI 372 and IAPMO R&T support potable water use.

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