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© 11.2023
2 Application, Characteristics
2.1 Application
Gas pressure regulator (GDR), direct-acting (operating without auxiliary power), for systems acc. to
DVGW work sheets G 491 (A) and G 600 (A) (TRGI)
Particularly suitable for dynamic regulation sections (e.g. gas fireplaces,
natural gas supply systems, burner circuits, gas motor operation)
Can be used as an equipment component on gas consumption facilities as defined in Regulation (EU) 2016/426.
Can be used for the gases defined in DVGW work sheet G 260 / G 262 and neutral non-aggressive gases.
(other gases on request)
2.2 Characteristics
• Integral pressure-tight model (IS)
• Gas pressure regulator with integrated SSV
• Easy maintenance through replaceable SSV functional units (modular design)
• SSV functional class, optionally A or B
• Open-air model
3 Avoidance of Foreseeable Misuse
2.3 Types of Models (Options)
• Oxygen model
• Without SSV
• noise reduction
• SSV manual release
• SSV electromagnetic remote release when power is applied or in case of power failure
• electric position indicator SSV “Closed” via inductive proximity initiator or via Reed contact
• Diaphragm assembly with integrated leakage gas quantities SRV or safety diaphragm
• AV 530 breather valve (SSV diaphragm rupture protection)
• throttle valve (RSD2) for impulse line of the regulator
• Coating with epoxy resin in RAL colours
• The regulators must not be used to control liquids.
• The regulators must not be used in temperature ranges below -20°C or above 60°C.
• The regulators must not be used for pressure ranges higher than the pressure “PS“ indicated on the nameplate.
• The regulators may only be used for the gases specified under item 2.1 Application in these operating
instructions.
Other gases, such as oxygen or hydrogen, must be explicitly stated on the nameplate.
Please consult the manufacturer before use.
• The regulators must not be used in high-temperature areas (HTB) without an upstream HTB fuse.
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