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Spare parts and further information can be found in the product-specific
assembly and operating instructions or in the data sheet.
6. General information on the Drain valve
6.1 Information
The drain piping to the drain valve must ensure that no leakage of the
medium into the atmosphere is possible and must be protected from
pressure surges.
If the drain valve is equipped with a Ø12 cutting ring screw, the Ø12x1 pipe
(from material 35.8) must be mounted as per DIN 2353. With a welding end
only welding processes 111 and 141 are permitted.
6.2 Functional principle
Handwheel rotated clockwise: drain valve is closed.
Handwheel rotated anticlockwise: drain valve is opened.
Tools to increase hand torque are not permitted.
Spare parts and further information can be found in the product-specific
assembly and operating instructions or in the data sheet.
7. Commissioning and maintenance phase
7.1. Commissioning and maintenance requirements
Commissioning and maintenance must be carried out by qualified
personnel! If no sufficiently qualified person can be employed, IGEMA
GmbH can be commissioned to carry out the commissioning. In principle
IGEMA GmbH recommends commissioning the indicator at the same time
as the boiler (point 7.2). If it is not possible to commission the indicator
according to point 7.2, the indicator can be commissioned with the boiler under
pressure and temperature (point 7.3)
All liquid level gauges are subjected to 100% pressure testing before delivery. In individual
cases, material settling may occur during transport, longer storage or during assembly. All
screw connections must therefore be checked for tight fit and appropriate torque (see following
text).
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