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Giant reinforced nylon cartridge housings are suitable for hot water/high pressure service. These units offer a lightweight alternative to costly metallic vessels. Features include:

  • High strength glass reinforced head and bowl.
  • Head and sump threads incorporate Keystone's exlusive positive stop feature to prevent overtightening.
  • O-ring is securely retained in groove at the top of bowl so that it stays in place even during cartridge replacement.
  • Economical price allows you to install a preferred "duplex system" for totally uninterrupted flow.
  • Full testing to industry standards of the Water Quality Association for burst pressure, water tighteness and fatique resistance.
  • Mounting bosses in head for available bracket.
  • No pressure relief button.
Unit of Measure

Specifications

Keystone Part #

N/A S53018

Size

N/A 20" (Fits Std. 4 1/2" x 20" Cartridges)

Material

N/A Reinforced Nylon Head and Bowl

Housing Style

N/A NO Pressure Relief Valve

Height

N/A 23.393"

O.D.

N/A 7.540"

Max. Operating Temperature

N/A 180 degrees F (82 degrees C)

Max. Operating Pressure - at 70 degrees F (21 degrees C)

N/A 125 psi (8.8 kcsh)

Pipe Size

N/A Both 1 1/2" and 1" NPT (BSP Available)

Number of Cartridges Housing Holds

N/A 1

Shipping Weight (each)

N/A 8.25 lbs.

Packaging

N/A 1 Per Box / 4 Per Case

Certification

N/A Non-FDA

Features

N/A

  • Both 1-1/2" and 1" NPT connections are included in every GIANT filter
    head. (Also available with British pipe threads)
  • High strength glass reinforced head and bowl
  • Head and sump threads incorporate Keystone’s EXCLUSIVE positive
    stop feature to prevent overtightening
  • O-ring is securely retained in groove at the top of bowl so that it stays in
    place even during cartridge replacement
  • Economical price allows you to install a preferred “duplex system” for
    totally uninterrupted flow
  • Full testing to industry standards of the Water Quality Association for
    burst pressure, water tightness and fatigue resistance
  • Not available with pressure relief vent button
  • Mounting bosses in head for available bracket