Is this bearing pre-lubricated or does it require field greasing

With a 30-inch capillary tube and a wide range charge

not standing pilot thermocouples

Heavy-Duty Reliability: Built to withstand the fluctuating pressures typical of industrial fluid control applications

Optimized for HVAC mechanical systems requiring reliable

Siemens Building Technology SFA11U Actuator 340155-7026 Is this bearing pre-lubricated orThe Siemens SFA11U Actuator is a line voltage, 120V normally closed zone valve actuator designed for high precision control in hydronic heating and cooling systems. Engineered for seamless integration with the Siemens 599 Series zone valves, this 2 position spring return actuator features a 1 10 inch (2. 5 mm) stroke and provides 24 lb (105 N) of nominal force to ensure positive valve closure. The SFA11U is UL listed for plenum installations, making