Epe Italiana B20EP360G1RP Accumulator Safety Block 24V DC

Epe Italiana

Product Code: Epe Italiana B20EP360G1RP BLOCCO DI SICUREZZA ACCUMULATORE 24V DC
Artikelnummer: B20EP360G1RP
Brand: Epe Italiana



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Description for Epe Italiana B20EP360G1RP Accumulator Safety Block 24V DC

The precharge pressure P - In most cases the values 0 recomended in Gas Precharge Pressure - page-3 are valid although, as the pressure and, above all, the velocity of the yield required increase, there is the danger that in each cycle the bladder will knock against the poppet valve. In these cases it is possible to use P = 0.8 to 0.7 P . 0 1 The P /P ratio - Any increase in this, will increase the 2 0 stress the bladder is subjected to in each cycle. The maximum operating pressure P - Any increase in 2 this will subject the bladder to greater stress. Flow rate - Flow rate does not affect bladder working life if values given in Table.2 are not exceeded. When approaching the maximum values, make sure there remains a residual volume of liquid > 10% of the volume V0 in the accumulator, in both loading & unloading conditions. The frequency or number of cycles per day. Installation - The vertical position with gas valve on top is the recommended arrangement. When the position is horizontal the bladder tends to rest and rub against the accumulator body. This could result in quicker wear. The operating temperature - This is one of the factors which most affects the life of the bladder: at very low temperatures the bladder tends to become brittle; as the temperature rises, reaching, or going beyond the limits for the elastomer, the stress the bladder is subjected to increases exponentially, which can lead to fracturing within a short time. It should be remembered that the temperature in the accumulator is in many cases higher than the one of the system, and that it rises with each increase of P , of P /P , 2 2 1 and with the volume of the accumulator (in other words, larger the accumulator, lesser is the capacity to dissipate heat)

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