2
Safety
2.1
Intended use
The mixproof valve type 24/7 M/2.0 PMO is used for the mix-proof shut-off of
high-grade, non-abrasive products at intersection points in pipe systems. It is
resistant to pressure surges in its closed state.
Hint!
Do not install the valve in spring-opening, as this will open when there
is a current or air failure and leads to product mixing.
In a closed pipe system, hydraulic pressure build-up may occur when the valve
switches and result in seal damage.
The mixproof valve type 24/7 M/2.0 PMO is intended for installation in a milk-
processing plant in accordance with the Pasteurized Milk Ordinance (PMO)
section 7, item 15p. (B) and complies with the 3-A standard 85-03 for mixproof
valves. The function enables the safe separation of milk / milk products and
cleaning or disinfecting solutions and, according to PMO section 1 15p.B permits
the seat cleaning of the valve seats while milk is in the opposite housing.
Hint!
The manufacturer will not accept any liability for damage resulting
from any use of the valve which is not in accordance with the
designated use of the valve. The risk is borne solely by the operating
company.
2.1.1
Requirements for operation
The prerequisite for reliable and safe operation of the component is proper
transportation and storage as well as professional installation and assembly.
Operating the unit within the limits of its designated use also involves adhering to
the operating, inspection and maintenance instructions.
2.1.2
Pressure equipment directive
The component is a piece of pressure equipment (without safety function) in the
sense of the pressure equipment directive 2014/68/EU. Classified according to
Annex II in category 1.
According to the scope of directive 2014/34/EC, article 1, paragraph 2, f, the
exception of the directive applies, due to conformity with the machine directive
2006/42/EU.
The nominal diameters smaller than DN 25 are subject to article 4, paragraph 3
of the Pressure Equipment Directive which specifies sound engineering practice.
Nominal diameters ≥ IPS 4“; DN 125 valid for the fluid group II.
In the event of any deviations, GEA Tuchenhagen GmbH will supply a specific
Declaration of Conformity.
2.1.3
ATEX directive
Safety
Intended use
430BAL009261EN_2
12
17.04.2023
