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  • About us
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  • Grinding machines
    • Portable grinding machine for flat seats (VALVA)
    • Grinding machine for conical seats (VSK)
    • Grinding machine for lens seats (LS)
    • Portable Gate Valve Grinding Machine (SL)
    • Portable machine for high speed grinding (HSL)
    • High speed precision grinding machine (VSA)
    • Grinding table (KS)
    • Grinding machine for safety valves (TSV)
    • Grinding machine for sealing seats (stationary) (SM)
  • Lapping machines
    • Lapping machine for flat seats (VALVA)
    • Transportable gate valve lapping machine (SL)
    • Lapping machine for safety valves (TSV)
    • Lapping Machine (stationary) for sealing seats (SM)
    • Surface Lapping Machine (FLM)
    • Ball lapping machine (ROTAGO)
  • Turning machines
    • Portable lathes
      • Portable lathe (TD)
      • Portable lathe for cutting out valve seats (ASM)
      • Portable Flange Turning Machine (TDF)
      • Portable Flange Lathe (TDFI)
      • Portable lathe (TD CNC)
      • Portable flange lathe (TDF CNC)
    • Stationary lathes
      • Stationary Lathe (PDM)
      • Stationary Lathe (SPM)
    • Flange facers
      • OD mounted flange facer (TDF)
      • ID mounted flange facer (TDFI)
      • Flange lathe (TDF CNC)
    • CNC lathes
      • CNC controlled portable lathe (TD CNC)
      • CNC-controlled flange facer (TDF CNC)
      • CNC lathe (PDM)
      • CNC lathe (SPM)
  • Valve test benches
    • Horizontal test benches
      • PS-H200M to PS-H600M
      • PS-H10 valve test bench
      • PS-H10 UW Valve test bench
      • PS-H7.5 to PS-H1500 Valve test benches
    • Vertical test benches
      • Vacuum testing device for ball valves K-TEST
      • PS-T/SV-5 valve test bench
      • PS-T 10.03 valve test bench
      • PS-15M to PS-75M
      • PS-SV15M to PS-SV75M
      • PS-15 to PS-200 valve test benches
    • Custom made test benches
    • Accessories for test benches
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Lapping machines

  • Lapping machines

Lapping with EFCO lapping machines

EFCO lapping machines are designed for precision machining of safety valves, ball valves, valve discs of compressors, etc.. We are manufacturer of transportable and stationary lapping machines.

Lapping belongs to the fine machining processes, with which high surface qualities, extreme form accuracies as well as narrow dimensional tolerances can be achieved.

Lapping is defined according to DIN 8589 and means machining with loose grain distributed in a liquid or paste. This lapping mixture is located between the workpiece and a lapping wheel. Since there is usually no heating of the lapping piece during lapping, deformation is eliminated. Many of EFCO's grinding machines can be used with lapping accessories for the precise finishing of surfaces. They are supplemented by a range of special machines for lapping.

Modern and advanced solutions for grinding and lapping

The EFCO product range includes grinding and lapping machines for a wide variety of applications.
VALVA Series
Portable valve lapping machines for flat seats
SL Series
Portable gate valve lapping machines
TSV Series
Lapping machines for safety valves
SM series
Stationary lapping machines
FLM Series
Stationary surface lapping machines
ROTAGO
Ball lapping machine

Modern and advanced solutions for grinding and lapping

The EFCO product range includes grinding and lapping machines for a wide variety of applications.
The EFCO product range includes grinding and lapping machines for a wide variety of applications.
Do you have questions about our products?
Send inquiry
EFCO Maschinenbau GmbH
Otto-Brenner-Straße 5-7 52353 Düren Germany
+49 2421 9890
+49 2421 989119
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EFCO Maschinenbau GmbH
Otto-Brenner-Straße 5-7 52353 Düren Germany
+49 2421 9890
+49 2421 989119