4. Valves and valve actuation
  5. With means to increase head and seat contact pressure
  6. Spring

Walter Grau

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Ceramic-plate flow-control valve

Fluid handling – With cleaner – lubrication added to fluid or liquid sealing...
Patent

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Flow-control and shutofff valve

Valves and valve actuation – With means to increase head and seat contact pressure – Spring
Patent

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Process for the roller seam welding of tanks and roller seam res

Electric heating – Metal heating – For bonding with pressure
Patent

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Shut-off and control valve

Fluid handling – With repair – tapping – assembly – or disassembly means – Assembling – disassembling – or removing cartridge type valve
Patent

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Profile ID: LFUS-PAI-P-986576

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