MEP Engineering And Design Services, Revit BIM Services, Structural En...

BELIMO 24V-240V AC/DC ACTUATOR REPLACES AF-24 AND AF-120
Belimo came with a new actuator (Belimo AFBUP) which has same torque rating as the previous AF-24 and AF-120. This would works across 24V to 240V AC or DC power supply. This takes away any error in ordering, and specifying. This is a universal actuator...

ASME CSD-1 Controls and Safety Devices for Automatically Fired Boilers – Requirements
Many Engineers ask me when to specify ASME CSD-1 compliance. It’s a great question, and one I’ve gotten a lot over the years representing gas-fired equipment. I’m going to make it simple….EVERYTIME!...

Fuel Oil Piping Diagram for Main Tank, Day Tank, and Diesel Genset
Fuel Oil Piping Diagram for Main Tank, Day Tank, and Diesel Genset
Fuel oil systems design has always been a challenge for most designers. It involves thorough knowledge of NFPA codes, EPA regulation, local and state laws, and client requirements. The above diagram provides a very good starting point for simple Diesel...

Commercial and residential buildings pressurization calculations
Building pressurization calculations has long been one of the unknowns to most HVAC professionals. We have always wondered how much air we need to pressure a building. NFPA and ASHRAE have publications which define this based on building type, number...