HEROSE 01322 Instrucciones De Servicio página 25

Operating instructions
5 Assembly
5.1 Installation position
With regard to the installation position, pay attention to the arrow showing the flow direction. When installing
the globe 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 key;
 Open-ended spanners;
 Torque wrench;
 TIG welding machine;
 Oxy-fuel welding machine;
 Clean tools before fitting.
 Use suitable transport and lifting equipment for installation.
 Open the packaging immediately before installation. Free of oil and grease for oxygen (O2)
 Valves for oxygen are permanently marked with "O2".
 Take note of the HEROSE information sheet "O2 instructions".
 Only install the globe 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 valves.
 Respect the suitability for use with O2.
 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 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 valves: Mounting/dismantling the bonnet in the centre position of the actuator.
 The valve must be protected against dirt and damage during construction work.
 Remove any transport locks such as blocking bushing (optional).
 Check the leak-tightness.
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