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The SV220 Series valves are designed for hot water applications in which the valve must operate at times when the pressure drop across the valve falls into the 0 to 5 psi range. The SV222 through SV225 valves are able to control hot water up to 150 psi at 99°C (210°F). The seals are made of ethylene propylene, for hot water compatibility over a wide temperature range as well as trouble-free, bubble-tight service.
The SV221 through SV225 are direct-lift valves, which combine the features of a direct-acting valve with those of a pilot operated valve. Because of a flexible link between the solenoid plunger and the diaphragm, the direct-lift valve functions as a direct-acting valve at low pressures and as a pilot-operated valve at high pressures. It is sometimes referred to as a zero delta pressure valve or a hung diaphragm valve.
SPECIFICATIONS Operation: Direct lift Wetted Parts: Brass, Stainless steel, copper, and seal Medium: Liquid or gases Max Static Pressure: 5 times max psid Ambient Temp: -9 to 50°C (15 to 122°F) Mounting: Pipe mounting, any direction Power: 10 W, 120 Vac, Class F
† All amounts shown in DKK Ordering Example: (1) SV222 2-way direct-lift hot water valve, NC with a brass body and 5/8, DKK1.565,00