Installation and Operating manual
Econ
®
Series 3300 Smart Valve Positioner www.eriks.com
Rev. 3 – January 22, 2019
15
2. Mount figure 3301 onto actuator’s yoke by using 2 bolts. As you mount the positioner, please be
careful not to lose O-rings from the air channel. Please ensure that the lever adapter connection
has been properly installed onto actuator’s stem before tightly fastened.
3.4 Figure 3303 and 3304 Installation
Figure 3303 and 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:
Ø Positioner unit
Ø Standard rotary bracket
Ø 8 pcs x M6 hexagonal headed bolts
Ø 4 pcs x M6 spring washer
Ø 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 and 3304 is made out of two components. The brac
ket 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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