Ytc YT-2500 SERIES, Product Manual

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Smart Positioner
YT-2500 / 2550 / 2501 Series Product manual
Ver. 1.04
23
3.4 Rotary positioner Installation
Rotary positioner 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 its stem rotates 90
degrees. Before proceeding with the installation, ensure following components are
available.
3.4.1 YT-2500 / 2550R Components

Positioner

Fork lever (Only Fork lever type)

Standard rotary bracket set (2 piece)

4 pcs x hexagonal headed bolts (M8 x 1.25P)

4 pcs x M8 plate washers

4 pcs x wrench headed bolts (M6 x 1P x 15L)

4 pcs x M6 nuts

4 pcs x M6 spring washers

Bolts and washers to attach bracket to actuator
– not supplied with the positioner
Fig. 3-10: YT-2500 / 2550 Fork lever type Fig. 3-11: YT-2500 / 2550 Namur type
3.4.2 YT-2501R remote sensor Components

Rotary feedback sensor

Bracket for actuator stem height 20mm (1 piece)

4 pcs x hexagonal headed bolts (M6)

4 pcs x M6 spring washers

Bolts and washers to attach bracket to actuator
– not supplied with the positioner
Fig. 3-12: YT-2501 Rotary feedback sensor