Active Member
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[China]
Address: No.28 Lutian Road, Luvalley, Changsha National High-Tech-Industrial Development Zone,Hunan, China
Contact name:Leon Liang
Winner Ball Valves Co.,Ltd |
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Description of Spring Return Zone Valve
Winner spring-return zone valve SW-BBSP series have compact structure,stable operation,excellent capacity of water stoppage, large water flow rate, zero dirt block and low torque. Winner spring-return zone valves are widely used in fan coil units, cooling/ heating system and HVAC system.
Application of Spring Return Zone Valve
Fan coil units
cooling/ heating system
HVAC system
Operational mode of Spring Return Zone Valve
Winner spring-return zone valve is motor-operated by on/off type actuator. The actuator adopts totally closed unidirectional hysteresis synchronous motor, having waterproof design and spring automatic reset function.
Valve body of Spring Return Zone Valve:
Medium: cold/hot water, with 50% glycol
Temperature of medium: 0 to 93℃ Rated
pressure: PN20
Pipe connector: internal thread
Ambient temp. range: 0 to 40℃;
Size: 1/2’’, 3/4’’ and 1’’
Valve type: 2-way and 3-way
Actuator of Spring Return Zone Valve:
Working voltage: 24VAC 50/60H z, 110/120VAC 50/60H z, 230VAC 50H z/60H z, 208VAC 50/60H z, 277VAC 50/60H z.
On/off time: 13-18s
Spring return time: 4-5s
Motor power: 6.5W, 7 VA
Material of Spring Return Zone Valve:
Valve body: forged brass
Valve seat: brass
Valve stem: chrome-plated brass
Actuator shell: aluminum
Actuator bottom case: stainless steel
| Model | image display | |
WRA-53 series (Mini Motorized Ball Valve) |  | AC 220V ON/OFF, 3-Point |
WRA-63 series (AC Motorized Ball Valve) |  | AC 220V/110V/24V ON/OFF, 3-Point |
WRA3-..AC series (Motorized Ball Valve) |  | AC 220V/110V/24V ON/OFF, 3-Point |
WRA3-..DC series (Fast Running AC Control) | DC 24V/12V/3V ON/OFF, Proportional | |
WRA-42..DC series (DC Motorized Ball Valve) |  | DC 24V/12V/3V ON/OFF, 3-Point |
WVA4-..series (Control Ball Valve) |  | AC/DC 220V/24V ON/OFF, Proportional |
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