Burkert Type 2712 - Manual (Page 9)

9
Assembly
7.2. installation
Warning!
risk of injury from improper installation!
Damaged parts or incorrect tightening torques can cause leaks on
the equipment.
• Use an open-end wrench for the assembly.
• Observe the tightening torque (see torque table).
7.2.1. installing the body
Any installation position, preferably with handwheel face up.
welded body:
→
Weld valve body in pipeline system.
other body designs:
→
Connect valve body to pipeline.
7.2.2. installing the actuator (Welded body)
→
Check graphite seal and, if required, replace. Ensure that sealant
residue cannot get into the pipeline system.
Graphite seal
→
Lubricate the nipple thread before reinstalling the actuator
(e.g. with Klüberpaste UH1 96-402 produced by Klüber).
→
Observe the torques when screwing the actuator into the valve
body (see “Tab. 1”).
orifice (dn) 15 20 25 32-40 50-65
tightening
torque ± 3 [nm] 45 50 60 65 70
Tab. 1: Torque for screwing into the valve body
8. start-up
For commissioning observe type label specifications and information
on media, media pressure and temperature values in chapter “5.
Technical data”.
english
Types 2000, 2012, 2702, 2712