Description of Spring Return Zone Valve
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.
Application of Spring Return Zone Valve
Fan coil units, cooling/ heating system and HVAC system.
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
| WRA-53 Series | 220v ON/OFF, 3-Point |
| WRA-63 Series | 220V/110V/24V ON/OFF, 3-Point |
| WVA4-.. Series | 220V/24V ON/OFF, Proportional |
| WRA3-.. AC Series | 220V/110V/24V ON/OFF, 3-Point |
| WRA-42 DC Series | 24V/12V/3V ON/OFF, 3-Point |
| WRA3-.. DC Series | 24V/12V/3V, ON/OFF, Proportional |
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Step 1
Payment and order readiness
Minimum order: 2 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
16 days
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Step 3
Packaging and dispatch
Ocean freight via Maersk · Approx. shipping fee: $ 0.84 for 1 unit · Transit time: Est. 17-24 days
Final packing, freight, and delivery dates are confirmed before dispatch.
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