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hello folks for high acidity flow media ( high sulfuric acid content) what are the options for hydraulic operated pump control valves and surge anticipating valves? who are manufacturers of suitable valves or alternative arrangements? many thanks

Hi folks are you aware on guidelines applicable to ventilation requirements for meat processing facilities and abattoirs required fresh air and exhaust rates and ACH and filter efficiency?

Hi oaks who have experienced with water spray protection systems and under ground conveyors is a water mist protection something to consider for under ground bunker tunnel tunnel length 150 ft, belt with 2.5 feet non-combustible material conveyed. looking forward to your insight

follow engineers who co could provide insight on the selection of boiler and HX kw capacity and the Storage volume of vessel ( the balance point between heat generation & storage volume) the application is an industrial application requiring 85°C d hot water heat from 10°C heat source will be...

Hi Is it good practice to discharge cold air of hot water heatpump onto air cooled condensor air Suction for " heat recovery"? Are you aware of literature on the subject?

Hi What is the draw backs of installing 2 new pumps in parallel of existing three of different brand and curves not matching 100%. Anything to be check before approving the order?

hello everyone what is the options available for simultaneous cooling and heating with heat pump and or heat recovery chilled water (say 25% cooling , 75% heating: for instance different zones, one part north facing, other south facing)? how effective is temperature control compared to a 3...

hi every one what is the most important parameter to test and verify when commisioning chilled water system what is the most pratical way measuring the flow in each loop?

what is the the formula to calculate solar gain through window pane SHGC x area x solrad level or SHGC x SC (Shade coef of glass) x area x solrad level not taking into account the shade coef of blinds or awnings

hi guys i need to test the pressure delivery of a fan I have an electronic type pitot instrument my instrument only has straight tubes is it required the tubes face into the airstream or could it be perpendicular to the flow i.e straight throuh the duct?

good day what is the guideline for beef carcass chiller to determine the refrigeration capacity (kW) should one apply a factor over and above the [product specific heat x mass x delta t] formula because of the bulk of the carcass to ensure it get chilled to deep bone as well?

what is normal practice on the treatment of make up water for hydronic system is a Y strainer suffeciant or is a finer filter required?

I am designin beef chiller refrigeration circuit What should the LMTD for the coil be? what is the guide for the sizing of the blower coil velocity?

have any one made a custom hydrocyclone (cenrifugal action) strainer with a wedge wire screen mounted in a vertical tube with a back wash at the bottom. the application is for installation after pump station of irrigation system ? or anything similar that you are aware off?

which excel / spreatheet are working well and could be recomended for iphone o/s?

Anyone know of some good beam (structural) calculating apps?

Anyone know of some good beam calculating apps?

hi all where can i find guidlines to size the smoke extraction system for a 2 storey building? Is there excel spreadsheet available to do the calc?

What are the options of protecting a branch line from expected surge conditions from the main line? We are only responsible for connecting onto the main line, not with the design of the main line which is the property of the local authority

hi what is the guidance on the submergence to be allowed when you are using a vortex breaker on your suction pipe? you can reduce the submergence when a vortex breaker is installed, am I correct?