LIAG® 2-Way Control Arc Valves

LAUFER 2-Way Control Arc Valves are designed for precise flow control in hygienic processing applications. With a smooth flow path and favorable flow characteristics, these valves are ideal for proportioning viscous or pasty products and sensitive media that may contain solid particles.

Engineered to meet 3-A and FDA standards, the valves ensure hygienic, product-saving performance while maintaining full cleanability. Depending on the process requirements, they can be supplied with different shutter qualities and linearization inserts to optimize flow control. Operation is managed via a standard 4–20 mA (0–10 V) electro-pneumatic actuator, allowing for accurate, repeatable adjustments.

Key Features

  • Available sizes: 1″ – 4″.
  • No dead pockets for full hygienic performance.
  • CIP/SIP capable for efficient in-place cleaning.
  • Product-saving proportioning and smooth flow characteristics.
  • Prevents buildup and sticking of solid particles.
  • Optional linearization inserts for precise control.
  • Minimal components and wear parts for easy maintenance.
  • Can be dismantled even when welded in place.
  • 3-A (51-01) and FDA compliant.
  • Identical wear and spare parts as LIAG® shutter valves.
  • CRN certified.
  • Constructed from 316L stainless steel with EPDM, FKM (Viton®), or PTFE seals.
custom arc valves

Industries

Why Choose LAUFER 2-Way Control Arc Valves?

  • Precise Flow Control: Designed for accurate proportioning of viscous and pasty media.
  • Hygienic and Efficient: Ensures product safety and full CIP/SIP cleanability.
  • Customizable Performance: Shutter options and linearization inserts match process needs.
  • Low Maintenance: Minimal parts and easy disassembly reduce service time.

Frequently Asked Questions

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