For planning, execution, modification and operation of gas installations,
observe the applicable regulations, see
Ä
Chapter 2.1 „Standards and
regulations“ on page 6.
Use is possible in the gas installations described in the following:
n
Gas installations
–
low pressure range
≤
100 hPa (100 mbar)
–
medium pressure range from 100 hPa (100 mbar) up to 0.1 MPa (1 bar)
n
Liquid gas installations
–
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
Ä
Chapter 2.1 „Standards and
regulations“ on page 6.
2.2.2
Media
The model is also suitable for the following media, amongst others:
n
Gases, see
Ä
Chapter 2.1 „Standards and regulations“ on page 6
n
Liquid gases, only in the gaseous state for domestic and commercial
applications, see
Ä
Chapter 2.1 „Standards and regulations“
on page 6.
n
Compressed air
2.3
Product description
2.3.1
Overview
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
Gas ball valve
8 from 12
