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Nickel-plated brass check valve with push-to-connect tube fitting and BSPT thread

Legris

Legris 7985 56 14 1/4" Tube x MNPT Check Valve

SKU CH-YZF4-QM0S6 MPN 7985

A 1/4 inch push-to-connect check valve with a 3.6 psi cracking pressure for inline flow control

  • TypeDrain Components
  • MaterialHAWA
  • Prevents backflow with single-direction flow design
  • Nickel-plated brass body resists corrosion in plumbing systems
  • Operates reliably from -32 °F to 158 °F temperature range
  • Opens at low 3.6 psi cracking pressure for efficient flow
  • Push-to-connect 1/4 in tube simplifies installation without tools

1/4 in Push x BSPT Check Valve

This Legris 7985 check valve uses a push-to-connect tube end and a BSPT male thread. The inline body combines nickel-plated brass with nylon components. It is designed for fluid systems requiring automatic back-flow prevention.

Suits low-pressure air and water lines

Installers needing a 3.6 psi cracking pressure and a temperature range of -32 to 158 °F will find this valve compatible. It is not for steam service or high-pressure hydraulic circuits. Buyers who need a rated steam or water pressure limit should look elsewhere.

3.6 psi cracking pressure

This single figure determines whether the valve will open at the required system pressure. The nitrile seat and seals support full-flow operation in horizontal or vertical mounting orientations.

Highlights

  • Prevents backflow with single-direction flow design
  • Nickel-plated brass body resists corrosion in plumbing systems
  • Operates reliably from -32 °F to 158 °F temperature range
  • Opens at low 3.6 psi cracking pressure for efficient flow
  • Push-to-connect 1/4 in tube simplifies installation without tools

Specifications

TypeDrain Components
MaterialHAWA
BrandLegris
Model7985 56 14

Questions about this item

How hot does the 7985 valve get during continuous operation?

The valve is rated for a maximum operating temperature of 158 degrees F, so it will not exceed that limit under normal conditions.

What size tubing and thread do I need to connect this check valve?

It accepts 1/4 inch tube on the push side and a BSPT male thread on the other, so you need matching 1/4 inch tubing and a female BSPT fitting.

Will the 7985 work with my existing brass and nylon fittings?

Yes, the body is nickel plated brass with nylon components and nitrile seals, making it compatible with standard brass and nylon plumbing systems.

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