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وصف
Two-way electric balance valve, DN20 (3/4 inch) specification, using BSPP internal thread connection. Suitable for cold water, hot water and up to 50% concentration of ethylene glycol solution, fluid temperature 1-95 ℃, ambient temperature 0-65 ℃. Rated static pressure 20bar, shutdown pressure difference 4bar, flow capacity Kvs value 6.9. Power supply voltage 220-240Vac (50/60Hz), operating power consumption 4VA, valve opening time about 7 seconds, protection grade IP40.