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Safety pressure relief FRSBV Dungs

FRSBV Safety pressure relief
  • These safety blow-off valves FRSBV Dungs are spring-loaded with an adjustable response pressure.
  • The safety blow-off valve corresponds to DIN 33821.
  • FRSBV is used for gas burners and gas equipment.
  • Suitable for gases of gas families 1, 2, 3 and other neutral gaseous media.
  • Free of non-ferrous metals, suitable for gases up to maximum 0.1% H2S.


FRSBV sectional drawing

Sectional drawing FRSBV
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FRSBV Safety blow-off valve
1 Housing 6 Operating diaphragms 10 Cover
2 Spindle 7 Safety diaphragms 11 Adjuster
3 Sealing ring 8 Diaphragm disk 12 Protective cap
4 Control disk 9 Reference value spring 13 Vent plug
5 Intermediate disk


Technical specifications blow-off valve

Type Code DN / Rp pmax (mbar) pmin (mbar) Working temperature (oC)
FRSBV 1010 226284 Rp 1 1000 20 -15 ÷ 70

 

Spring type Blue Yellow (standard) Grey
Code 226381 226382 226383
Pressure range (mbar) 20 ÷ 100 70 ÷ 350 300 ÷ 1000


Dimensions FRSBV safety pressure relief (mm)

dimensions FRSBV

 

Type a b c d e f g Weight (kg)
FRSBV 1010 110 145 33 190 G 1/4 G 1/4 310 1.2


Setting the response pressure

Setpoint adjustment FRSBV
1) Unscrew protective cap A
2) Adjustment (+) - Setting spindle B "turn clockwise" = increasing response pressure (setpoint) OR
3) Adjustment (-) - Setting spindle B "turn counter-clockwise" = reducing response pressure (setpoint)
4) Check setpoint
5) Screw on protective cap A
6) Attach lead seal


Flow diagram FRSBV Dungs

Flow diagram FRSBV
- For more drawings or details access the datasheet
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Prices blow-off valve

Code Type Prices without VAT
226284 Safety pressure relief FRSBV 1010 0.00
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