OMC RE20 - Adjustments; Orifice Installment; Plate Type Orifice Installment

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Installation
,
O
p
eration and Maintenance Manual ManRE20en Rev.06/2022
OMC S.p.A: Via G. Galilei, 18 - 20060 - Cassina de Pecchi (MI) - ITALY - www.omcvalves.com - Tel.: (+39) 02.95.28.468
6. Adjustments
6.1 Orifice Installment
Hunting can be occurred when the actuator’s volume is too small. In order to prevent hunting,
orifice can be used.
6.1.1 Plate type Orifice Installment
By installing the plate type orifice, the flow rate of the
supply pressure to actuator can be reduced. The
diameter of orifice hole is 1 mm.
Fig. 6-1: Plate type Orifice installment