Catalog excerpts
Pressure reducer, Plastic Construction The GEMÜ N082 and N182 pressure reducers ensure that a constant outlet pressure is maintained in process plant utilizing the pressure differential.If the pressure rises on the outlet side, the spring force is lower and the valve closes as the spring is raised. The pressure is reduced until the spring force and the outlet pressure are the same. If the pressure falls, the valve opens as the spring force presses against the diaphragm surface via the control aperture. The outlet pressure can be read off a diaphragm-protected pressure gauge and the spring force adjusted using a set screw as required. Technical specifications* • • • • • • Nominal sizes: DN 10 to DN 100 Connections: Spigots, flanges, union ends with insert Body materials: PVC-U, PP-B, PVDF Seal materials: EPDM, FPM, PTFE Media temperature: -4 °F to +212 °F Setting range: 7.3 to 131 psi • The working pressure can be very easily adjusted using a set screw and secured with the integrated lock nut. If required, the setting that has been made can be lead sealed. • The flow-efficient design of the valve body ensures good flow rate values. • Control errors are kept to a minimum due to the large control face and the spiral spring. • The actuator is hermetically separated from the medium. *Dependent on version and/or operating parameters
Open the catalog to page 1Technical data Working medium temperature Working medium Valve body PVC-U Valve body PVDF Corrosive, inert, liquid media which have no negative impact on the physical and chemical properties of the body and seal material. Approved for fluids of Group 1 in accordance with directive 2014/68/EU Article 13 whose steam pressure at the permissible maximum temperature is a maximum of 7.3 psi above the normal atmospheric pressure (15 psi). The permissible operating pressure depends on the working medium temperature. Ambient conditions Ambient temperature Technical data Nominal size Pressure /...
Open the catalog to page 2The characteristics in the diagrams show the pressure drop of the set outlet pressure from 0 to max. permissible flow. The upper line shows the progression of the opening pressure, the lower line shows the progression of the closing pressure. All characteristics relate to water at 68 °F.
Open the catalog to page 3The characteristics in the diagrams show the pressure drop of the set outlet pressure from 0 to max. permissible flow. The upper line shows the progression of the opening pressure, the lower line shows the progression of the closing pressure. All characteristics relate to water at 68 °F. Order data Valve type Pressure reducer DN 65 - DN 100 Pressure reducer DN 10 - DN 50 Body configuration 2/2-way body Flanges EN 1092 / PN10 / form B, length EN 558, series 1, ISO 5752, basic series 1 Union ends with DIN insert (socket) Spigots for IR butt welding Union ends with DIN insert (for IR butt...
Open the catalog to page 4Connection code 20 Material code 20, B5 Connection code 4 Material code 1
Open the catalog to page 5Overview of valve bodies for GEMÜ N182 4 Material code All rights including copyright and industrial property rights are expressly reserved. Connection code Overview of valve bodies for GEMÜ N082 Connection code Overview of Diaphragm materials Diaphragm material GEMÜ N082 PTFE/EPDM, PTFE laminated Code 52 X - Should there be any doubts or misunderstandings, the German version of this data sheet is the authoritative document! Material code VALVES, MEASUREMENT AND CONTROL SYSTEMS GEMÜ Gebr. Müller · Apparatebau GmbH & Co. KG · Fritz-Müller-Str. 6-8 · D-74653 Ingelfingen-Criesbach · Tel....
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