Good morning everybody,
I have a piping design which has the following data:
1) Main piping: DN 150 and 11 bars pressure
2) secondary piping: DN80, 11 bars pressure
water arrives from piping DN150 and feeds the DN 80 system ,as shown in the enclosed diagram,
Each sprinkler supports a...
Hello,
Please, I would like your opinion on the fire pump installation,
flow for the main pump (electrical)is equal to 128 m3 / h, flow calculed as per APSAD R1,
For the installation, I must installed a pump (flow=128 m3 / h) or two (02) pumps 60m3 / h each in parallel?
Thank you in advance...
Hello,
Please, I need your comment about the operating philosophy of a group of fire pump:
Setting the pressostat:
The pressostat connected to the jockey pump (1) should be set to:
- A starting pressure of 9.5 bara
- A shut-off pressure of 11 bara
The pressostat connected to the pump jockey...
Hello,
Please advise me, concerning the cost of prefabrication and erection work of CS (carbon steel) and SS (stainless steel) piping.
A bad welder welds one joint of welding (pipe 2'' diameter) per day???? Correct me please.
Is there a website to clarify my concern?
Thank you in advance...
Hello,
Please advise me, concerning the cost of prefabrication and erection work of CS (carbon steel) and SS (stainless steel) piping.
A bad welder welds one joint of welding (pipe 2'' diameter) per day???? Correct me please.
Is there a website to clarify my concern?
Thank you in advance...
Good morning,
Please, I need to know what percentage of falling thickness it is said that pipes must be changed.
Piping case (process and power),
Regds
R.B (Mechanical Engineer)
Dear members,
What are the design guidelines in the design of Fire Protection tank (fixed and floating roof)?
thanks in advance,
R.B (Mechanical Engineer)
Good morning,
I want to calculate the inner diameters of the suction and discharge of a centrifugal pump.
The installation of this pump is old and the type is centrifugal pump (suction is horizontal and discharge is vertical).
The pump was purchased without documentation and without name...
Good morning,
Please advise me, why after fabrication work the pneumatic test for hole (PAD) for the piping reinforcement is not required by the ASME B31.3 code?
In the case of reinforced nozzle storage tank, it is required by the API 650 code,
Thanks for the help,
Best regards,
R.B...
Good morning,
I have a pipeline 12'' diameter crosses the train tracks, my questions are as follows:
1) What is the distance between the train tracks and U/G pipeline diameter 12''?
2) Can I use a distance d = 1x External diameter (i.e. d. 12’’)?
3) Is...
Dear all,
Good morning,
Please share your information of piping expansion calculation;
For information the lines CR-2419 Dia 30" & CR-2420 Dia 42" are flared to cold flare (wet gases). Concern is: during shut down of one train or more expansion of network became excessive causing by...
Hello, first time poster with a query regarding firefighting calculation.
Can anyone help me to give some information regarding the piping?
I have 02 projects:
The first project:
Firefighting project: the piping is made on fiberglass for the 02 chips loading (product is oil) by water and...
