20
Installation, Operation 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
3.4.2
Rotary Bracket Information
The rotary bracket set (included with the positioner) contains two components. (but the upper
brackets of Fork lever type and Namur type are different). The bracket is designed to fit onto the
actuator with 20mm, 30mm and 50mm stem height (H) according to VDI/VDE 3845 standard. Please
refer to below table how to adjust the height of the bracket.
Actuator stem
height (H)
Markings of bolt holes
A-L B-L A-R B-R
20mm
H : 20
H : 20, 30
H : 20
H : 20, 30
30mm
H : 30
H : 20, 30
H : 30
H : 20, 30
50mm
H : 50
H : 50
H : 50
H : 50
Fig. 3-10: Rotary brackets and positioner