
Autotrol 255 Valve Residential Control Valves
- Time-tested Duraflow flapper provides frictionless sealing for longer service life
- Fiber-reinforced polymer valve body for superior strength and durability, non-corrosive, and UV-resistant
- Designed with double backwash for reduced hardness leakage
- Optical sensor for precision cycle positioning
- Fully adjustable 5 or 8 cycle control for efficient and reliable water treatment system
- Continuous service flow rate of 15.5 GPM with a backwash of 6 GPM
- Backwash capability accommodates softener tanks up to 14″ and filter up to 10″ GPM in diameter
- Designed for single or multiple tank systems
- Supercapacitor for keeping time of day during power outage
- Environmental protective cover for water resistance, corrosion resistance, and UV stability
- Programming stored in memory and will not be lost due to power outages
- History data for valve performance
Manufacture: Autotrol
Model Number: 255
Availability: In-Stock
alve Specifications
| Valve Material | Glass-filled thermoplastic |
| Inlet/Outlet | 1″ NPT or BSPT, female; 3/4″ NPT or BSPT, female; 3/4″ NPT or BSPT, male (thermoplastic); 1/2″ NPT or BSPT, male (thermoplastic) |
| Weight | 4lbs (1.8 kg) |
| Operating Pressure | 20-120 psi (1.38-8.27 bar) |
| Hydrostatic Test Pressure | 300 psi (20.69 bar) |
| Water Temperature | 35°-100°F (2°-38°C) |
Flow Rates
| Service 15 psi (1.03 bar) drop |
15.5 gpm (3.52 m3/h) |
| Backwash 25psi (1.72 Bar) drop |
6.0 gpm (1.36 m3/h) |
| Service | Cv = 3.99 (Kv = 3.4) |
| Backwash | Cv = 1.20 (Kv = 1.0) |
Dimensions
| Width | 14.9″ (37.8 cm) |
| Height | 8.4″ (21.3 cm) |
| Riser Tube Dia. | 1.05″ (27 mm) or 0.8125″ (20.6 mm) |
| Riser Height | Above top of tank 1.125″ (+/- 0.125″) |
| Height From Top of Tank | 7-1/2″ |









