E - Fixed Constructions – 03 – B
Patent
E - Fixed Constructions
03
B
E03B 7/12 (2006.01) F16K 24/02 (2006.01) F16K 31/64 (2006.01) F16K 31/68 (2006.01)
Patent
CA 2682062
The antifreezing valve device for hydraulic and/or water storage systems comprises a valve body having a water inlet and outlet which open into a chamber for housing a linear thermostatic actuator, and a closing member operatively connected to said thermostatic actuator to be moved from a closed position for closing a sealing seat for ambient temperatures equivalent to or higher than a preset value, to a open position for discharging water from a system for lower ambient temperatures; the closing member is conformed with a cup-shaped support element sealingly slidable along the cylindrical body of the actuator, in order to define with this a closed chamber into which extends the actuator control rod. The device also comprises first and second biasing spring means acting at opposite ends of the housing chamber on the closing member, respectively on the linear actuator, and guide means for sliding of the linear actuator and of the closing member.
Caleffi Marco
Caleffi S.p.a
Gowling Lafleur Henderson Llp
LandOfFree
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