Dungs FRM 100025 HD, Instruction Manual, Page: 113 / 174

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Edition 10.15 • No
. 270 442
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6. Features
6.1. Technical data
Technical data FRM …
Device Spring-loaded medium pressure regulator according to EN 334
Type IS
Type of gas Family 1+2+3
Nominal diameters
Flange
Connecting flanges PN 25 according to EN 1092-1
DN 25 40 50
Admissible pressure load 10 bar (1000 kPa)
Max. inlet pressure 10 bar (1000 kPa)
Outlet pressure range 30 - 1500 mbar (3-150 kPa)
Minimum differential pressure
(ND)
270 mbar (27 kPa)
Minimum differential pressure
(MD)
350 mbar (35 kPa)
Minimum differential pressure
(HD)
500 mbar (50 kPa)
Materials Firing valve housing: cast iron GGG 50
Diaphragm housing: steel sheet
Diaphragms: NBR
Ambient temperature -20 °C to + 60 °C
Technical data SSD …
Device Safety shutoff valve in compliance with EN14382, class A
Type IS
Response time ≤ 2s
Adjustment range
below W
du
10 - 2500 mbar (1-250 kPa)
Adjustment range
above W
du
40 - 4000 mbar (4-400 kPa)
Materials Firing valve housing: cast iron GGG 50
Diaphragm housing: Aluminium
Diaphragms: NBR