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Body material
H
Type
60
1
Body
CuZn36Pb2As
2
Disc
CuZn36Pb2As
3
Stem
CuZn36Pb2As
4
Hand-wheel
Poliamid
5
Pressure tap
CuZn3 EPDM
Max. temperature
120°C
Fittings manufactured by ZETKAMA, including balance valves, have a permanent marking in accordance
with the requirements of the PN-EN19 standard. Marking facilitates technical identification and includes:
•
nominal diameter DN (inch),
•
nominal pressure PN (bar),
•
identification of the body and cover material,
•
arrow indicating the direction of flow,
•
symbol of the manufacturer,
2. REQUIREMENTS FOR OPERATORS
Staff assigned to assembly, operating and maintenance should be qualified to perform this work.
During valve operation hot parts of the valve, e.g. body or cover parts could cause burn. If necessary the user should fit
insulation shields and warning signs..
3. TRANSPORT AND STORAGE
Transport and storage should be carried out at temperatures from –20
0
to 65
0
C, and the valves must be protected against
external forces. The valves must be stored in dirt-free and weather protected rooms. In humid areas drying agent or
heating should be applied to prevent formation of condensation. The valves should be transported in a manner that does
not damage the handwheel.
4. FUNCTION
Balancing valves are used to control the hydraulic system. The valves can be installed in either the supply or the
return pipelines.
