• Fiorentini F31153-4BP Balanced Valve
  • Fiorentini F31153-4BP Balanced Valve — New England Supply House spec card [NESH-SPEC-CARD-V2]
  • Fiorentini F31153-4BP Balanced Valve specifications — New England Supply House [NESH-SPECTABLE-V1]
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Fiorentini F31153-4BP Balanced Valve, 1-1/4 in.

Fiorentini F31153-4BP Balanced Valve, 1-1/4 in.

$502.32 USD
$502.32 USD
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The Fiorentini F31153-4BP is a Vl Cap 1-1/4" Balanced Valve engineered for precise control in demanding piping systems.

With a 7.5" diaphragm, full lockup, internal sensing, and a 1/2" vent, this valve delivers reliable operation and safety across a range of applications. The Black Spring 6-14" and 2 PSIG MAOP specification support consistent actuation, while CSA Z21.18 & Z21.80 certification ensures compliance with key safety standards. It replaces 30153-B for easier field upgrades.

  • 7.5" diaphragm
  • Full lockup
  • Internal sensing
  • 1/2" vent
  • Black spring 6-14"
  • 2 PSIG MAOP
  • CSA Z21.18 & Z21.80 certified
  • Replaces 30153-B

Specifications

Pipe Size1-1/4 in.
Diaphragm7.5 in.
LockupFull lockup
SensingInternal
Vent Connection1/2 in.
Spring Range6-14 (black spring)
Max Operating Pressure2 PSIG MAOP
CertificationsCSA Z21.18 & Z21.80

Cross-Reference & Compatibility

Fiorentini F31153-4BP Balanced Valve, 1-1/4 in. is a direct replacement for 30153-B.

Replaces part numbers30153-B