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Summary of Contents for Samson 36-8
- Page 1 Safety Excess Pressure Valve (SEV) Type 36-8 Fig. 1 · Type 36-8 Excess Pressure Valve Mounting and Operating Instructions EB 2546-2 EN Edition April 2007...
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Page 2: Design And Principle Of Operation
Design and principle of operation The regulator has two diaphragms (11.1) op- Design and principle of erating independently from one another. operation Continued operation is possible even should one diaphragm fail. To recognize a ruptured The excess pressure valve consists of a diaphragm, a diaphragm rupture indicator spring-loaded globe valve with a balanced or optionally a pressure switch to signalize a... - Page 3 Design and principle of operation Drawn turned by 90° into the plane of projection Valve body Seat Plug Plug stem Balancing bellows Set point adjuster Positioning springs Bellows 11.1 Fastening nut Support 11.2 Actuator housing 11.3 11.1 Diaphragms 11.2 Diaphragm rupture indicator 11.3 Intermediate ring...
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Page 4: Installation
Installation Shut-off valve, pressure Installation gauge Position of installation Ideally hand-operated shut-off valves should be installed both upstream and downstream Note! of the regulator. This allows the plant to be Flush the pipeline thoroughly prior to installa- shut down for cleaning and maintenance rou- tion of the regulator, ensuring that sealing tines, or when the plant is not operated for particles and other impurities carried along... -
Page 5: Operation
DN 15 to 50 are preloaded by up to be monitored. 70 mm. To remove the springs, only use a suitable tool, for example, SAMSON disassembly tool 9129-2747. Additionally it is important to make sure that no torque is transmitted to the bellows (8), otherwise the metal bellows will be irrepara- bly damaged. - Page 6 Troubleshooting 1. Unscrew the control line and clean. Prior to disassembling the excess 2. Unscrew the nuts (9) on the support (10) pressure valve, shut down the plant and remove the actuator housing (11). by slowly closing the shut-off valves. Relieve the corresponding part of the 3.
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Page 7: Dimensions And Weights
Dimensions and weights Nominal size, set point range and spare parts for actuator Nominal valve size DN Actuator Set point range DN 15...25 DN 32...50 DN 65...100 Diaphragm material EPDM Sur- Act- Diaph Act- Diaph face uator gram uator gram cm²... -
Page 8: Customer Inquiries
Upstream and downstream pressure Flow rate in m³/h Has a strainer been installed? Installation drawing SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main · Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 EB 2546-2 EN... - Page 9 Conversion from chromate coating to iridescent passivation We at SAMSON are converting the surface treatment of passivated steel parts in our production. As a result, you may receive 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.
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