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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?

some glass suppliers list both SHGC and SC ceoefecients should both be used (multiplied with each other) or only SHGC?

thank you urgross what type of flow meter(s) has to be installed? is it common pracice to measure the flow to each fan coil unit?

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

is their guideline on what factor to use?

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?

numbers working well on iphone with xls files formulas etc?

thks Mike, what is the typical screening size achieved with your hydrocyclone? Are you using a V shape (funnel shape) cylinder?

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?