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DID-UM-002
Val Controls A/S
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Limfjordsvej 3
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DK-6715 Esbjerg N
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Tel. +45 7547 0600
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www.valcontrols.com
Revision: 10
20/74
Start pressure
Varying start pressures has impact on the PST, this is shown in Figure 10. The breakaway time is
increasing a lot along with the start pressure in the actuator. The PST return time also have a high
dependence on the start pressure.
Figure 10: Four PSTs with varying start pressures