![Fiorentini 31154-5BP Balanced Valve — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/spec-9032714256606.png?v=1782841089&width=1445)
Fiorentini 31154-5BP is a high-performance 1-1/2" balanced valve designed for precise pressure control in commercial and industrial systems. It features a 7.5" diaphragm, full lockup, internal sensing, and a 1/2" vent, plus a rugged black spring rated 6-14". The unit operates with 2 Psig Maop and carries CSA Z21.18 & Z21.80 certifications, replacing 30154-b.
- 1-1/2" balanced valve for consistent performance under varying loads
- 7.5" diaphragm for stable, responsive control
- Full lockup ensures rapid shutoff when needed
- Internal sensing for accurate pressure detection
- 1/2" vent for safe venting and relief
- Black spring 6-14" delivers durability across operating ranges
- CSA Z21.18 & Z21.80 certification confirms compliance with industry standards
- Replaces 30154-b for easy retrofitting and compatibility
Designed for professionals who demand reliability and compliance, the Fiorentini 31154-5BP combines precise control with rugged construction to support consistent performance in gas and air systems.
Specifications
| Pipe Size | 1-1/2 in |
|---|---|
| Diaphragm | 7.5 in |
| Vent | 1/2 in |
| Spring | Black, 6-14 in WC |
| MAOP | 2 PSIG |
| Lockup | Full lockup, internal sensing |
| Certification | CSA Z21.18, Z21.80 |
Cross-Reference & Compatibility
Fiorentini 31154-5BP Balanced Valve is a direct replacement for 30154-B.
| Replaces part numbers | 30154-B |
|---|---|
| Alternate part numbers | 31154 |