Elite Fire

PRE-PIPED VERTICAL FOAM BLADDER TANK

PRE-PIPED VERTICAL FOAM BLADDER TANK

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The NAFFCO Pre-piped Bladder tank is an integral component of balanced pressure proportioning system. Its operation requires no external power other than a pressurized water system. NAFFCO bladder tank, with an appropriate proportioner, injects foam concentrate into the water supply of a fire protection system and automatically proportions at wide range of flows and pressures. NAFFCO Pre-piped Foam bladder tank is a steel pressure vessel fitted with an Internal Elastomeric bladder that stores foam concentrate. During operation, the concentrate is discharged by incoming water pressure to the bladder tank until the concentrate is depleted. The bladder tank discharges foam concentrate at approximately the same pressure as the water supplied at the water inlet connection to the tank. Since the bladder tank is pressurized, the bladder should not be refilled during operation.

Description

FEATURES

  • UL listed
  • Pre-piped bladder tank offers the foam system designer fixed dimensions and eliminates uncertainty during sizing of foam equipment room and piping layout.
  • Pre-fabricated foam bladder proportioning system eliminates loose components and simplifies the installation.
  • Bladder is manufactured of a vinyl based polymer as per ASTM D-412 with a Tensile strength of at least 3000psi and ASTM D-624 with tear strength of at least 420lbs/in.
  • Tanks are supplied with Brass trim valves and Teflon seats.
  • All valves are labeled with working position and function.
  • Permanently welded lifting lugs for easy tank movement and positioning.
    Designed for Maximum agent discharge
  • Tanks are oversized to allow thermal expansion of foam concentrate if any
  • Tanks are supplied with label identifying foam concentrate type, percentage ratio and tank size
  • Tanks are Externally RED enamel coated and Internally Coal tar Epoxy coated

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