Fiorentini 31051-1BS Balanced Valve

Fiorentini 31051-1BS is a 1/2-inch unpainted balanced valve designed for precise control in gas and utility systems. The model features a 4-inch diaphragm, a 1/4-inch vent, and a black spring rated for 6–14-inch, delivering reliable operation. It maintains a 2 PSIG MAOP and carries CSA Z21.18 & Z21.80 certification, meeting key safety and performance standards. This valve design replaces 30051-B, offering a straightforward upgrade for existing installations. Built for durability, the unpainted finish minimizes corrosion in exposed lines, while its robust internals support long service life in harsh industrial environments.

Key features:

• Size: 1/2-inch unpainted balanced valve for reliable inline mounting
• Diaphragm: 4-inch diaphragm providing precise response and durability
• Vent: 1/4-inch vent to maintain accurate pressure relief
• Spring: Black spring rated 6–14-inch for stable control
• MAOP: 2 PSIG maximum allowable operating pressure
• Certification: CSA Z21.18 & Z21.80 certified
• Compatibility: Replaces 30051-B to upgrade existing systems