Cavagna’s OPD (overfilling prevention device) propane tank valve is engineered for rapid filling and purging whilst preventing dangerous overfill conditions. The forged brass handwheel and dual o-ring stem seal combine reliable operation with enhanced leak resistance.

Valve specifications and features:

• Type: OPD valve (overfilling prevention device)
• Compatibility: Cavagna 20 PSI systems
• Material: Aluminium body with brass components
• BTU withdrawal capacity: Exceeds one million BTU
• Handwheel: Tri-lobular, one-piece forged brass
• Stem seal: Double o-ring design for improved leak resistance
• Check valve: Quality o-ring seat opens only under positive pressure
• Filling: Upward spray mode eliminates premature shutoffs
• Warranty: 5 years, limited