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2.2.2
Media
2.3
Product description
2.3.1
Overview
Gas ball valve
For planning, execution, modification and operation of gas installations,
observe the applicable regulations, see
regulations" on page 6 .
Use is possible in the gas installations described in the following:
Gas installations
n
low pressure range ≤ 100 hPa (100 mbar)
–
–
medium pressure range from 100 hPa (100 mbar) up to 0.1 MPa (1 bar)
Liquid gas installations
n
–
with liquid gas tank in medium pressure range downstream of
the pressure regulating device, 1st level on the
liquid gas tank > 100 hPa (100 mbar) up to a permitted operating
pressure of 0.5 MPa (5 bar)
–
with liquid gas tank in the low pressure range
≤ 100 hPa (100 mbar) behind the pressure regulating device,
2nd level
–
with liquid gas pressurised container (liquid gas bottles) < 16 kg
behind the small bottle pressure regulating valve
with liquid gas tank (liquid gas bottle) ≥ 16 kg
–
behind the large bottle pressure regulating device
Observe the applicable regulations, see
regulations" on page 6 .
The model is also suitable for the following media, amongst others:
Ä Chapter 2.1 „Standards and regulations" on page 6
Gases, see
n
Liquid gases, only in the gaseous state for domestic and commercial
n
Ä Chapter 2.1 „Standards and regulations"
applications, see
on page 6 .
Compressed air
n
Viega gas fittings conform with the requirements of the
applicable regulations. The gas fittings have been tested
and certified by the DVGW in accordance with the following
criteria, see Ä Chapter 2.1 „Standards and regulations"
on page 6:
–
Leak tightness
Higher thermal resistance (HTR)
–
Product information
Ä Chapter 2.1 „Standards and
Ä Chapter 2.1 „Standards and
8 from 12
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