ISO 9001
SMACNA
Product Code: CEI-PRD / PRD-GI
Pressure Relief Registres
Valve تخفيف الPression
Self-acting pressure relief dampers maintaining system balance automatically. Open against set spring pressure et close when pressure drops. Essential pour stairwell pressurization et clean room applications.
Frame Material
Product Description
Castle Pressure Relief Registres automatically relieve excess pressure within duct systems to maintain optimal operating pressure et prevent damage to HVAC equipment. They open when internal duct pressure dépasse a calibrated threshold, releasing air to reduce pressure, then close automatically when pressure noumalizes. Critical pour systems avec VAV boxes et variable speed drives.
Technical Spécifications
| Parameter | Value | Unit |
|---|---|---|
| Frame Material | Galvanized steel 1.2mm | — |
| Blade Material | Galvanized steel / Aluminium — counterweighted | — |
| Operation | Pressure-actuated — opens at calibrated set point | — |
| Set Point Range | 25 Pa to 500 Pa (adjustable) | Pa |
| Blade Configuration | Parallel blade — gravity-assisted | — |
| Frame Depth | 125mm / 200mm | mm |
| Standard Sizes | 300×300 to 1200×600mm | mm |
| Seal Type | Neoprene blade edge gasket | — |
| Mounting | Wall / Ceiling / Duct penetration | — |
| Finish | Galvanized mill / Powder coated | — |
| Compliance | SMACNA / ASHRAE / NFPA | — |
Fields of Application
Tests & Certificates
ISO Certification
International Quality Certifications
Normes Internationales
SMACNA · DW144 · IGC · UL
Duct Test
Rigouous leakage et pressure testing to SMACNA et DW144 standards.
Air Tests
Vitesse d'air et distribution testing.
