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5
Assembly
5.1
Installation position
With regard to the installation position, pay attention to the arrow showing the flow direction. When
installing the angle valve in a horizontal pipeline, a vertical position of the stem is recommended
(handwheel at the top) or an inclination of up to 65° from the vertical.
5.2
Fitting Notice
Use suitable tools.
Allen keys of sizes 6, 8 and 10;
Open-ended spanners;
Torque wrench;
TIG welding machine;
Oxy-fuel welding machine;
Clean tools before fitting.
Use suitable transport and lifting equipment for the mounting.
Open the packaging only directly before the mounting. Free from oil and grease for oxygen (O
Globe valves for oxygen are permanently labelled with "O
Take note of the HEROSE information sheet "O
Only install the angle valve if the maximum working pressure and operating conditions of the
plant correspond to the marking on the valve.
Remove protective caps or covers before mounting.
Check the valve for dirt and damage.
DO NOT install a damaged or dirty valve.
Avoid damaging the connections.
The sealing surfaces must remain clean and intact.
Seal the valve with suitable seals.
No sealant (sealing tape, liquid sealant) may enter the globe valves.
Respect the suitability for use with O
Connect pipelines in a force-free and torque-free manner.
Stress-free mounting.
In order to ensure trouble-free operation, no impermissible static, thermal or dynamic stresses
may be transmitted to the globe valve. Observe reaction forces.
Temperature-dependent changes in length in the pipework system must be compensated with
expansion joints.
The valve is supported by the pipework system.
Detailed installation instructions are included for globe valves with pneumatic or electric actuator-
unit.
Driven globe valves: Mounting/dismantling the bonnet in the centre position of the actuator.
The globe valve must be protected against dirt and damage during construction work.
Remove any transport locks such as blocking bushing (optional).
Check the leak-tightness.
Operating instructions
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