Smart Positioner
YT-2500 / 2550 / 2501 Series
Product Manual
Ver. 1.34
27
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-2500R / 2550R Components
➢
Positioner
➢
Fork lever (Only Fork lever type)
➢
Rotary bracket set (2 pieces)
➢
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. 3-11: YT-2500R / 2550R Fork lever type
Fig. 3-12: YT-2500R / 2550R Namur type
3.4.2
YT-2501R remote sensor Components
➢
Rotary remote 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. 3-13: YT-2501R Rotary remote sensor