Data Sheet for Product

Siemens A6V10960349_en--_c

Smart Infrastructure 2021-02-23

Pipe connection

Avoid leakage:

● Install fittings as per ISO 7-1.

● Do not use too much hemp or PTFE tape.

● Do not tighten pipe threading to "the very end".

Flow direction

Make sure that the valve is mounted in the proper flow direction. A symbol is applied to the

valve body:

VVG44.. :

Flow direction:

VXG44.. :

Mixing

A / B to AB:

Diverting

AB to A / B:

Commissioning

The actuator must be properly mounted or manually adjusted before commissioning the

valve.

VVG44..

Turn the manual adjuster clockwise: Valve opening = Increasing flow

Turn the manual adjuster counter clockwise: Valve closing = Decreasing flow

VXG44..

Turn the manual adjuster clockwise: Through-put A – AB opens, bypass B closes

Turn the manual adjuster counter clockwise: Through-put A – AB closes, bypass B opens

Maintenance

Valves VVG44.. and VXG44.. are maintenance free.

Stem sealing gland

The stem sealing gland cannot be exchanged. The entire valve must be replaced in the

event of leakage. Contact your local Siemens office or branch for information.

Disposal

WARNING

Tensioned return spring

Opening the valve housing can release the tensioned return spring resulting in

flying parts that may cause injury.

● Do not open the valve body.

The valve is considered electrical and electronic equipment for disposal in

terms of the applicable European Directive and may not be disposed of as

domestic garbage.

 Dispose of the valve through channels provided for this purpose.

 Comply with all local and currently applicable laws and regulations.