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Apollo

Apollo 6210501 1" FNPT stainless steel ball cone check valve

SKU CH-G5QY-1WVZK

Inline ball-cone check valve with stainless-steel body, 1" FNPT connections, EPDM seals, .5 psi cracking pressure and 400 psi water-pressure rating for 33 to 180 °F service

  • Size1"
  • TypeOther
  • Stainless steel body resists corrosion in plumbing systems
  • Ball cone design allows flow in one direction only
  • Opens at 0.5 psi cracking pressure for low-head applications
  • EPDM seals handle water from 33 to 180 degrees F
  • Rated for 400 psi maximum water pressure

Apollo 6210501 check valve purpose

The Apollo 6210501 is a one-inch FNPT stainless steel ball cone check valve designed for plumbing systems that require automatic backflow prevention. It suits installers and maintenance teams working on water lines where a compact inline valve with a low cracking pressure is specified.

Thermal noise and power profile

The valve operates passively with no external power draw and produces no audible noise during normal flow. Its stainless steel body and EPDM seal handle water temperatures from 33 to 180 degrees Fahrenheit and pressures up to 400 psi in both horizontal and vertical orientations.

Bundled accessories and software impact

No accessories, software or additional components are included with the valve. The unit ships as a single valve body ready for direct installation into compatible FNPT piping.

Highlights

  • Stainless steel body resists corrosion in plumbing systems
  • Ball cone design allows flow in one direction only
  • Opens at 0.5 psi cracking pressure for low-head applications
  • EPDM seals handle water from 33 to 180 degrees F
  • Rated for 400 psi maximum water pressure

Specifications

BrandAPOLLO
Size1"
TypeOther

Questions about this item

How do I install the 1" FNPT Apollo 6210501 valve and what orientation mistake should I avoid?

Thread the valve onto 1" FNPT pipe connections using pipe sealant; it mounts horizontally or vertically, but the spring-loaded ball cone must face upstream so flow pushes it open — installing it backwards blocks flow entirely.

What maintenance or replacement will the EPDM seals and spring need over time?

Inspect the EPDM seals annually for hardening or cracking from temperature cycles between 33 and 180 degrees F; replace seals and the internal spring if the valve no longer holds backflow at the .5 psi cracking pressure.

At what pressure limit does the stainless steel body reach its maximum rating under sustained flow?

The valve body is rated for a maximum water pressure of 400 psi; sustained operation above this pressure risks permanent deformation of the stainless steel housing and seal failure.

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