Prodcut Description
Davey DD90-11NPT: High-Performance Constant Pressure System
The Davey DynaDrive DD90-11NPT delivers dependable water pressure with a variable-speed drive that maintains a constant flow, regardless of changing water demand. Its advanced design ensures smooth, quiet operation while reducing energy consumption and operating costs. With automatic adjustments, this pump guarantees consistent performance, even during high water usage.
Built for Efficiency and Durability
Reduce water hammer, optimize system performance, and save on energy with the integrated easy-to-use controller that tailors pressure to your household needs. Certified to UL778 standards, the DD90-11NPT is a robust and efficient choice for maintaining the perfect water pressure in residential or light commercial settings.
Category | Specification |
---|---|
OPERATING LIMITS | |
Category | DD15-35NPT |
Max. flow rate @ 300kPa (43psi) | 45L/min (12 US gallons) |
Max. flow rate @ 400kPa (58psi) | 18L/min (5 US gallons) |
Max. flow rate @ 500kPa (73psi) | N/A |
Max. casing pressure | 800kPa (116psi) |
'Out of Box' constant pressure | 414kPa (60psi) |
Max. set pressure | 600kPa (87psi) |
Min. cut-in pressure (gauge) | 10kPa (1psi) |
Default cut-in pressure | 50kPa (7psi) less than set pressure |
Max. cut-in pressure | 20kPa (3psi) less than set pressure |
Operating water temp range | 0 – 80°C (32 – 176°F) |
Operating ambient/ air temp range | 0 – 50°C (32 – 122°F) |
Maximum humidity | 95% |
Nature of fluids | Clean, clear, non-corrosive, non- |
Applicable approvals | UL 778; UL61800-5-1 |
ELECTRIC DATA | |
Voltage | 110 – 120V ~ |
Max motor speed | 2,900rpm |
Frequency (incoming power) | 50 – 60Hz |
Input power P1 | 0.8kW |
Output Power P2 | 0.55kW |
Running current | 9.4A |
Insulation class | F |
IP rating | 55 |