Self-operated Pressure Regulators
Excess Pressure ValveType 2408
Fig. 1· Type 2408 Excess Pressure Valve
Edition June 2010
Mounting andOperating Instructions
EB 2528 EN
Страница 1: ...Self operated Pressure Regulators Excess Pressure Valve Type 2408 Fig 1 Type 2408 Excess Pressure Valve Edition June 2010 Mounting and Operating Instructions EB 2528 EN ...
Страница 2: ...ting the set point 7 3 3 Decommissioning 8 4 Maintenance and troubleshooting 8 4 1 Pressure fluctuations 8 5 Nameplate 9 6 Service 9 7 Technical data 10 8 Dimensions 11 2 EB 2528 EN Contents CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE Indicates a risk of property damage Note Indicates supplementary explanations information and tips D...
Страница 3: ...ge of the applicable standards 4 The regulator fulfils the requirements of the European Pressure Equipment Directive 97 23 EC 4 For appropriate operation make sure that the regulator is only used in areas where the operating pressure and temperatures do not exceed the operating values specified in the order that the valve sizing data are based on 4 The manufacturer does not assume any responsibili...
Страница 4: ...medium application range versions Excess pressure valve for set points between 5 mbar to 1000 mbar for gases at tempera tures from 20 to 60 C Valves with flanged body in DN 15 and DN 25 as well as with G G and G 1 fe male thread 2 Installation See also Fig 2 page 5 NOTICE Install a strainer e g SAMSON Type 2 NI upstream of the regulator refer to sec tion 2 2 Make sure the regulator is mounted free...
Страница 5: ... stem 5 Diaphragm plate with operating diaphragm 6 Actuator housing 7 Set point spring 8 Set point adjuster 9 Control line connection G tapped connection for upstream pressure p1 10 Cap 10 Fig 2 Design and principle of operation Type 2408 Excess Pressure Valve ...
Страница 6: ...all a pressure gauge both upstream and down stream of the regulator Fig 3 2 5 Control line G tapped connection 9 at the actuator housing Install a control line with at least 6 mm inside diameter on site preferably an 8 x 1 mm pipe made of steel or stainless steel Always attach the control line connection for pressure tapping directly to the tank or vessel as the medium is fully expanded and free o...
Страница 7: ...t up the regulator before all com ponents have been installed Make sure the control line is free of dirt or other contaminations that may impair the proper medium flow Connect the line properly We recommend to open shut off valves slowly from the downstream side Avoid pressure surges NOTICE The max permissible pressure at the operat ing diaphragm must not exceed 0 5 bar with A 1200 cm 1 bar with A...
Страница 8: ... cool down to reach ambient temperature before starting any work on it Disconnect or shut off the control line to avoid any hazards that could be caused by moving regulator parts As valves are not free of cavities remember that residual process medium might still be contained in the valve 4 1 Pressure fluctuations NOTICE Pressure fluctuations oscillation may dam age the regulator and plant As a re...
Страница 9: ...regulator 4 Configuration ID Var ID 4 Upstream and downstream pressures 4 Temperature and process medium 4 Min und max flow rates 4 Has a strainer been installed 4 Installation drawing indicating the exact location of the regulator and all addition ally mounted units shut off valves pres sure gauges etc EB 2528 EN 9 Nameplate Fig 5 Nameplate Legend 1 Configuration ID VAR ID 2 Manufacturing data 3 ...
Страница 10: ...5 01 Max perm differential pressure Δp 6 bar Max perm pressure at the actuator Actuator area A 1200 cm Actuator area A 640 cm Actuator area A 320 cm Actuator area A 160 cm 0 5 bar 1 bar 2 bar 4 bar Permissible temperature range of the medium 20 to 60 C Leakage class acc to DIN EN 60534 4 Soft seal at least class IV Set point ranges 5 to 15 mbar 10 to 30 mbar 25 to 60 mbar 50 to 200 mbar 100 to 100...
Страница 11: ...ight H 360 Actuator Actuator Ø D 490 mm actuator area A 1200 cm 10 to 30 mbar Height H 360 Actuator Actuator Ø D 380 mm actuator area A 640 cm 25 to 60 mbar Height H 360 Actuator Actuator Ø D 285 mm actuator area A 320 cm 50 to 200 mbar Height H 360 Actuator Actuator Ø D 285 mm actuator area A 320 cm 100 to 100 mbar Height H 360 Actuator Actuator Ø D 225 mm actuator area A 160 cm Approx weight in ...
Страница 12: ...SAMSON AG MESS UND REGELTECHNIK Weismüllerstraße 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 2528 EN S Z 2010 08 ...
Страница 13: ... a device assembled from parts that have be en subjected to different surface treatment methods This means that the surfaces of so me parts show different reflections Parts can have an iridescent yellow or silver color This has no effect on corrosion protection For further information go to u www samson de chrome en html Conversion from chromate coating to iridescent passivation ...
