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Dungs 289261, User Manual, Page: 9 / 20

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Dungs 289261 User Manual Download Page 9

8 … 20

MC • Edition 06.2020 • No

. 291 422

9 … 20

6.5 Rating plate

Abbreviation

Description

SG

Closing pressure

AC

Accuracy class

AG

Response pressure group

Rp

Thread diameter

-20T60

Operating temperature range

Class A

Functional class: The FRSBV is a safety valve with separate vent and safe relief connections.

PS

Maximum permissible pressure

SBV

Safety pressure relief valve

SN

Serial number

W

us

Adjustment range of the spring installed for the lower response pressure

50

30

Summary of Contents for 289261

Page 1: ...must be followed if necessary take safety measures to ensure the protection of persons Pipelines connected must be free of dirt and fouling Place this user manual in an easily viewable location in th...

Page 2: ...mally Personal or consequential material damage financial damage or environmental damage cannot be ruled out in the event of non observance of the instructions 3 Certification EU declaration of confor...

Page 3: ...he essential safety requirements EU Pressure Equipment Directive 2014 68 as amended In the event of an alteration of the equipment not approved by us this declaration loses its validity Specified requ...

Page 4: ...4 Table of contents 4 5 List of abbreviations 5 6 Features 6 6 1 Technical data 6 6 2 Nomenclature 7 6 3 Adjustment ranges 7 6 4 Spring selection 8 6 5 Rating plate 9 7 Function 10 8 Dimensions 11 9...

Page 5: ...erating pressure PN Nominal flange pressure PS Maximum permissible pressure SBV Safety pressure relief valve SN Serial number SW Width across flats Wdo Adjustment range for the upper response pressure...

Page 6: ...ety pressure relief valve according to DIN 33821 Type FRSBV 10005 Type of gas Family 1 2 3 Nominal diameters Thread Connecting threads according to BSP ISO 228 1 or NPT B1 20 1 G NPT Input pressure FR...

Page 7: ...umber Closing pressure SG Specific adjustment range FRSBV 10005 ND G ND 289261 SG 20 10 350 mbar FRSBV 10005 HD G HD 289262 SG 10 100 5 000 mbar FRSBV 5010 ND G1 ND 289263 SG 10 32 2 000 mbar FRSBV 10...

Page 8: ...ow 290942 1 3 60 20 45 65 Black 290943 1 5 60 20 65 95 Purple 290944 1 6 60 20 85 125 Pink 290945 1 8 60 20 125 185 White 290946 2 2 60 20 185 350 Blue 290947 2 5 50 20 350 580 Orange 290948 2 8 50 20...

Page 9: ...ssure group Rp Thread diameter 20T60 Operating temperature range Class A Functional class The FRSBV is a safety valve with separate vent and safe relief connections PS Maximum permissible pressure SBV...

Page 10: ...on the adjusting spring installed The full response pressure range can be covered by changing the adjusting springs The valve has an internal response pressure tap Main components A Housing B Regulat...

Page 11: ...r p max bar kPa Thread G Dimensions mm Weight kg BSP NPT A B C D E F FRSBV 10005 ND 289261 289266 10 1 000 116 75 18 111 211 G 0 56 FRSBV 10005 HD 289262 289267 10 1 000 116 75 18 111 211 G 0 56 FRSBV...

Page 12: ...off valves are closed The line is combustion gas free Prevent a gas air mixture Monitor the room atmosphere for leaking gas on an ongoing basis using suitable gas concentration testers Ensure electri...

Page 13: ...m s SBV drain pipeline 1 pipe Item Designation 1 Input side shut off valve e g ball valve or shut off flap 2 Filter 3 Reducing adapter 4 Input side manometer 5 Controller 6 Stabilisation section 7 SBV...

Page 14: ...use the device as a lever Use suitable tools Nm 1 8 1 9 Rp 1 Mmax Nm t 10 s 340 Tmax Nm t 10 s 125 Max torque of system accessories DN 25 40 50 65 80 M G M4 M5 M6 M8 G G G G Mmax Nm t 10 s 2 5 Nm 5 Nm...

Page 15: ...ctive cap A A 4 2 B Turn outer adjusting nut B with SW 22 socket spanner Turn clock wise to increase the triggering pressure 3 Turn outer adjusting nut B with SW 14 socket spanner Turn anti clockwise...

Page 16: ...n outer adjusting nut B anti clockwise with SW 14 socket spanner until it is com pletely unscrewed Remove adjusting nut B B 1 Remove spring C from the spring dome 2 Insert a new spring 3 Screw adjusti...

Page 17: ...et spanner is needed for every FRSBV type FRSBV type Item number Width across the pipe socket spanner flats FRSBV 10005 ND 289261 SW 27 FRSBV 10005 HD 289262 SW 27 FRSBV 5010 ND 289263 SW 14 FRSBV 100...

Page 18: ...300 400 500 600 112 mbar 18 mbar 206 mbar 300 mbar Vn m3 h natural gas dv 0 65 Input pressure mbar Flow tables p FRSBV 10005 ND 20 40 60 80 100 1 000 2 000 3 000 4 000 5 000 6 000 7 000 8 000 5 000 m...

Page 19: ...0 7 000 0 100 200 300 400 500 1 343 mbar 2 000 mbar 689 mbar 30 mbar Vn m3 h natural gas dv 0 65 Input pressure mbar Flow tables p FRSBV 10010 HD 2 000 4 000 6 000 8 000 10 000 12 000 0 500 1 000 1 50...

Page 20: ...s 1 N A 15 EN 88 1 EN 88 2 Gas valve with valve test system 2 After error detected EN 1643 Gas valve without valve test system 2 50 000 200 000 Depending on the diameter 10 EN 161 Control system for g...

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