EN ISO 16812 and API STD 660, both standards specifies requirements and gives recommendations for the mechanical design, material selection, fabrication, inspection, testing, and preparation for shipment of shell-and-tube heat exchangers for the petroleum, petrochemical, and natural gas industries and …
This Pressure Equipment Directive (PED) should harmonise national provisions on risks due to pressure. The other hazards that may arise from this pressure equipment may fall within the scope of other EU Directives (e.g. Machinery, Low Voltage, Explosive Atmospheres) that …
TEMA® is a trade association of the world’s leading manufacturers of shell and tube heat exchangers. TEMA has developed standards that define the design, fabrication, tolerances, installation and maintenance of shell-and-tube type heat exchangers. The TEMA standard defines the main …
Both Rupture Discs (also called bursting discs) and Pressure Relief Valves (PRVs) may be used independently as source of pressure relief. Rupture discs are pressure relief devices intended to burst once the intended burst pressure is reached. PRVs are designed …
The Term “PS = maximum allowable pressure” is specified in PED. “PS” is the pressure at a specific point on the pressure equipment for which the pressure equipment as a whole was designed. The specified location is usually the highest …
Module G does require that a notified body must examine the design of the pressure equipment and it is considered reasonable to expect the notified body to inform the manufacturer of the results of the examination. Module G does not …
Weldolet fittings – the Branch Connection Fittings are also named as Outlet fittings. Outlets are a family of forged products used to make 90 degree or 45 degrees integrally reinforced branch connections from a header pipe or run pipe to an outlet pipe or …
At the valve seat leakage test (also called closure test), one side (valve inlet) shall be subjected to the test pressure and amount of leak shall be measured on the opposite side of the valve. The seat leakage of control …
Understanding the differences between Pressure Safety Valves – PSV and Pressure Relief Valves – PSV is essential for selecting the appropriate device for a specific application. Pressure relieving devices include mechanisms such as Pressure Safety Valves (PSV) and Pressure Relief …
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