Regarding to pressure gauge installation, it need to be follow as below: An Isolation valve for maintenance purpose ( can remove without impairing the pressure system’s integrity ) 2. The pressure gauge installed with vertical position is better than horizontal position: + Below pictures is example for wrong installation pressure gauge: 3. To be vented as vendor's … Continue reading Pressure gauge installation requirement!
To confirm that a weld has been made to specification: For arc welding the main parameters are as follows: Welding current Arc voltage Travel speed The other parameters which may be measured and recorded are as follows: Wire feed speed (for MIG/MAG) and other processes with a filler wire Gas flow rate (shielding, backing and … Continue reading How to take the welding parameters during make WPS / monitor welding performance?
To be continued from this chapter "Pipe pressure rating", I'd like to introduce to you about the fitting pressure rating. Note: Flanges, Gaskets, Valves, Weld fittings are designed as CLASS Typically, there're three type of Fitting CLASS rating: According to ASME B16.5, are made in seven primary Pressure Classes: 150 300 400 600 900 1500 … Continue reading FITTING PRESSURE RATING
ASME B16.5 - List of ASTM Material Specifications MATERIAL GROUP NOMINAL DESIGNATION PRESSURE TEMPERATURE RATING TABLE FORGINGS CASTINGS PLATES 1.1 C-Mn-Si 2-1.1 A350 Gr. LF2 ... A516 Gr. 70 C-Mn-Si 2-1.1 ... ... A537 Cl. 1 C-Mn-Si-V 2-1.1 A350 Gr. LF6 CI. 1 ... ... 3½ Ni 2-1.1 A350 Gr. LF3 ... ... 1.2 C-Mn-Si … Continue reading ASME B16.5 FLANGE MATERIAL GROUP