DEPA® Closed Surface Diaphragms Series Nopped E4®

 

Overview


Building upon the success of the DEPA® nopped E4® PTFE Compound Diaphragm, the new DEPA® CLOSED SURFACE DIAPHRAGM SERIES is designed and manufactured in-house and offers many features and benefits.

 

 

Sizes

The diaphragms (PTFE compound, FKM*,
EPDM, EPDM Grey, NBR, NRS) are available in
the sizes 15, 25, 40, 50 and 80.

 

 

Temperature Range

 

 MaterialTemperature Range (°C) 
 PTFE compound -10 to +130
NBR  -15 to +90
 EPDM -25 to +105
 EPDM Gray -5 to +90
 FKM* -5 to +120
 NRS -15 to +70

*a diaphragm based on VitonTM fluoroelastomer, VitonTM is a registered trademark
of The Chemours Company

 

 

Applied Guidelines in combination with the pumps

 

  • Machinery Directive 2006/42/EC
  • Eurasian Conformity
  • For the EPDM Grey diaphragm & PTFE Compound diaphragm
  • FDA Conformity
  • 1935/2004/EC & 10/2011/EU
  • Bisphenol-A and Phthalates free
  • BfR Recommendation XXI (category 3)
  • The diaphragms are ATEX compliant in accordance with directive 2014/34/EU in combination with the pump

 

 

Material ATEX (Sizes 15-80) 
II 2 GD
IIB Tx 
II 2GD
IIC Tx 
 I M2
 PTFE Compound- •
 NBR •
 EPDM •  •
 EPDM Gary •  
 FKM*-
 NRS-• 

 • Available    - not available

 

 

Diaphragm Pump Coding 

 

 MaterialClosed Surface Diaphragm
 PTFE compoundZ
NBR 1
 EPDM2
 EPDM Gray3
 FKM*4
 NRS5

 


Specifications and Literature
DEPA® Closed Surface Diaphragms Series nopped E4® - Technical Datasheet (EN A4)
DEPA® Closed Surface Diaphragms Series nopped E4® - Technical Datasheet (DE A4)
DEPA® Closed Surface Diaphragms Series nopped E4® - Technical Datasheet (PT A4)
DEPA® Closed Surface Diaphragms Series nopped E4® - Technical Datasheet (FR A4)
DEPA® Closed Surface Diaphragms Series nopped E4® - Technical Datasheet (NL A4)
DEPA® Closed Surface Diaphragms Series nopped E4® - Technical Datasheet (IT A4)
DEPA® Closed Surface Diaphragms Series nopped E4® - Technical Datasheet (ES A4)
depa-nopped-e4-cs-diaphragm-group

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