Installation and Operating manual
Econ
®
Series 3300 Smart Valve Positioner www.eriks.com www.eriks.com
14
3.4 Figure 3303/3304 Installation
Figure 3303/3304 should be installed on rotary motion valve such as ball or butterfly type
which uses rack and pinion, scotch yoke or other type of actuators which stem rotates 90
degrees. The following components are supplied in the quarter turn positioner kit:
Positioner unit
Standard rotary bracket
8 pcs x M6 hexagonal headed bolts
4 pcs x M6 spring washer
½” NPT gland for 6-8 mm cable diameter
(Mounting bolts and washers to actuator, air connections and air hose to be supplied by
customer)
3.4.1 Bracket information
The bracket supplied standard with figure 3303/3304 is made out of two components. The
bracket is designed to fit onto the actuator with 20 mm stem height (H). If actuator
stem height (H) is 30 mm or 50 mm, the bracket must be adjusted. Please refer to
below table how to adjust the bracket.
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