Hi all,
We are using a recycling plant to recycle plastic bags (LDPE)
These bags were used to store and transport H2SO4.
While transportation H2SO4 fell from the containers and dried on LDPE bags.
We washed those bags but even then some particals remained stick there, which we considered as...
Hi All,
This is not a technical question, but I thought it is worth to ask for....
I am a mechanical engineer, basically an HVAC and plumbing designer for building services..
I just wanted to ask a question, HOW CAN I DO SOMETHING FOR HUMANITY USING MY FIELD(i.e. mechanical design engineer for...
Dear All,
I have an HVAC system of 300TR Chiller with 2 pumps(1duty and Stand by, the structure to cool is a steel structure ( a typiccal Laundry Firm) in which i have to hang the duct and piping, I am new to this type of supporting can any one help me out, please refer me to some supporting...
Dear All,
We have designed a chilled water system and we have used Double regulating valves in this system now the client is requiring selection calculations of DRVs.
I need to perform DRV selection calculations, can use this formula Kv = Flow Rate (m3/h) / Δ P (Bar) , If yes how can i...
Does spliter damper required for ducts of P3 - Pre insulated ducts - our contractor is saying he has not installed any spliter damper on P3 ducts? If not is there any code permitting this thing?
Does Acoustic insulation required on P3 ducts? P3 ducts are pre-insulated duct.
Dear All,
I want to recycle waste plastic bags but before recycling we have to wash the bags so that margarine can be removed from the bags, i have tried to wash it with detergents but there is problem of stickiness in the recycled chips. can any one guide any formula of chemical?? which can be...
Dear Experts,
We have a CAN fertilizer company in our city, whose plant temperature rises to about 70Deg C due high temperatures of steam lines and high temperature product output,which is not suitable for workers Company officials want to have a proper HVAC system
But,
Should we go for an...
Dear all,
We are installing an HVAC system, recommended valves are of PN16 rating but there is no recommendation for flanges, now we are installing piping network - we are installing PN16 valves but we want to install flanges of PN10 is it alright??
Regards,
Dear All,
I got a project of HVAC designing of a shooting facility, i never designed it before,
If any one can help me finding guidelines for HVAC designing ????
Dear All,
I have am recently appointed as design engineer n an hvac firm,, I have an issue with an standard detail available here of fan coil units connections.
according to detail:
tow way motorized valve is sussed for by-pass on CHWR line and then double regulating valve(Balancing Valve) is...
Dear All,
I am facing an issue with one of my client whcih is as under
i have installed a hotwater absorption chiller system of 380 usRT, which requires 2337 USGPM on condenser water side, i used 8 inch dia pipe line for the conection with main header, and this system is sync with existing...
Is there any relation between Solution Pump and cooling water pipe size?
I have installed pipe of 8" for flow of 2337 gpm at condenser water side, the pump which i have used has enough head to cop up the pressure drop, the chiller operated at full load for about 5 months but now when atmospheric...
I am Starting my career as a HVAC design engineer, i need to know that which documents should be attached with the submittal of the design?
Like
1. Load Calculation.
2. Schematic & Proposed Drawings.
3. BOQ
4. Specifications of Equipment.
5. Schedule of Equipment.
6. Approved Manufacturer list...
the heating capacity of the building which i m designing is 250 TR now i have to recommend either absorption chiller or Boiler both have almost same consumption rate, the installation of the chiller is about 1.35 times the installation of boiler. but if i install chiller i will get an advantage...
i have a problem in instaling sprinkler.
i have a 4" header then a branch of 1 1/2" and then a branch of 1"
the drop point of sprinkler is out because of unscaling of drawing so i used flexible copper pipe of 1/2" to position of the Sprinkler at the droping point of 1" Pipe.
is it Safe?
is it...
What is the minimum pump size easily available in the market?
I need 150 Watt pump for my project, do i have to manufacture on my own?
Can any one help?
Dear All,
I have to design a car park with the ductless system, like impulse fan ( Jet Fan ) Ventilation System.
I have searched for designing criteria of the jet fan vantilation system... But all i found is that it is designed on the basis of cfd analysis.... can any one guide/Help me out on...
