3 Installation
Study the instructions carefully.
The valve is supplied as separate parts to facilitate the welding.
The items refer to the parts list and service kits section.
Check the valve for smooth operation after welding.
3.3
Welding
Step 1
Always install valves with more than one valve body so that the
seals between the valve bodies can be replaced. Do not weld
more than one valve body into the system.
Valve size
A (mm)
B (mm)
DN40/38 mm
*
740
DN50/51 mm
*
770
DN65/63.5 mm
*
780
DN80/76 mm
*
830
DN100/101.6 mm
*
880
* Depending on body combination and piping solution.
B (incl. top unit)
A*
TD 461-015
Step 2
Assemble the valve in accordance with the steps on page 28.
Pay special attention to the warnings!
TD 461-630_2
TD 461-631_2
Step 3
Pre-use check:
1. Supply compressed air to the actuator.
2. Open and close the valve several times to ensure that it operates smoothly.
Pay special attention to the warnings!
NC
NO
Air (Two Step stroke)
Air (Main movement)
Air (Main movement)
Open/close!
Air (Two Step stroke)
Open/close
TD 461-632_2
TD 461-778_2
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