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2.3.2
Threaded connection
2.3.3
Markings on components
2.3.4
Compatible components
Gas ball valve
The model is equipped as follows:
casing made of brass
n
dual-sided Rp internal thread
n
The yellow protective sleeve on the actuating lever shows the medium
to be gas.
The model is available in the following dimensions:
Rp ½ / ¾ / 1 / 1 ¼ / 1 ½ / 2.
Prerequisite for a threaded connection, which seals via a thread, is a
threaded pair in accordance with applicable regulations, see
2.1 „Standards and regulations" on page 6 . Pursuant to these regula-
tions, a permitted threaded pair comprises a conical external thread and
a cylindrical internal thread, e. g. R ¾ and Rp ¾.
Only use commercially available and chloride-free, DVGW approved
sealant in accordance with the applicable regulations to seal threads,
Ä Chapter 2.1 „Standards and regulations" on page 6 .
see
The model is marked as follows:
MOP5 for maximum operating pressure 0.5 MPa (5 bar)
n
GT1 for maximum operating pressure with HTR requirement 0.1 MPa
n
(1 bar)
DVGW writing
n
HTR marking
n
Position indicator
n
Please contact the Viega Service Center for questions on this subject.
Product information
Ä Chapter
9 from 12
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