Dungs FRS Gas Pressure Regulators
The DUNGS pressure regulator, type FRS, has an adjustable setpoint spring. The pressure regulator complies with EN 88 and DIN 3380:
- Internal pulse for regulator output pressure as standard
- Inlet pressure compensation diaphragms
- High flow rate
Application
Gas pressure regulator for gas burners and gas equipment. It does not contain any non-ferrous metals, suitable for gases of up to max 0.1 vol % H2S, dry.
Suitable for gases of families 1, 2, 3 & other natural gaseous media
Specifications
- Max. Operating Pressure: Up to 500 mbar (50 kPa)
- Pressure Regulator: Pressure regulator asper EN88 Class A, Group 2, DIN 3380, RG 10
- Input Pressure Range: +5 mbar or p2 + 2.5mbar up to 300 mbar
- Output Pressure Range: 2.5 mbar to 200 mbar as a factor of adjustable setpoint spring
- Ambient Temperature: -15°C to + 70°C

Size | PMax | RP/DN | A | B | C | D | E | F | G | H |
---|---|---|---|---|---|---|---|---|---|---|
FRS 503 | 500 | Rp ⅜ | 77 | 115 | 24 | 143 | G ¼ | G ¼ | G ⅛ | 225 |
FRS 505 | 500 | Rp ½ | 77 | 115 | 24 | 143 | G ¼ | G ¼ | G ⅛ | 225 |
FRS 507 | 500 | Rp¾ | 100 | 130 | 28 | 165 | G ¼ | G ¼ | G ⅛ | 245 |
FRS 510 | 500 | Rp 1½ | 110 | 145 | 33 | 190 | G ¼ | G ¼ | G ⅛ | 310 |
FRS 515 | 500 | Rp 1 | 150 | 195 | 40 | 250 | G ½ | G ¼ | G ¼ | 365 |
FRS 520 | 500 | Rp 2 | 170 | 250 | 47 | 310 | G ½ | G ¼ | G ¼ | 450 |
FRS 5050 | 500 | DN 50 | 230 | 250 | 82.5 | 340 | G ½ | G ¼ | G ¼ | 480 |
FRS 5065 | 500 | DN 65 | 290 | 285 | 92.5 | 405 | G ½ | G ¼ | G ¼ | 590 |
FRS 5080 | 500 | DN 80 | 310 | 285 | 100 | 405 | G ½ | G ¼ | G ¼ | 590 |
FRS 5100 | 500 | DN 100 | 350 | 350 | 110 | 495 | G ½ | G ¼ | G ¼ | 760 |