Multi turn lock (MTL)

The Multi Turn Lock (MTL) series provides secure interlocking for multi-turn valve applications such as Gate, Globe, Butterfly and Ball valves with gearboxes. Multi Turn Interlocks are essential for ensuring the hand wheel or gear operated valves are locked in either the open or closed position enhancing safety and operational control.

Salient Features:

  • Material: Manufactured from high-quality Stainless Steel (SS 316).
  • Mechanical Counter: Equipped with a mechanical counter for precise operation.
  • Hand wheel: Provided in various sizes to match existing hand wheel size provided by valve or gearbox manufacturer to meet torque requirement.
  • Design: Robust, reliable and simple design with minimal parts.
  • Key Insertion: One-directional linear key insertion for ease of use.
  • Operation: User-friendly and hassle-free.
  • Maintenance: Maintenance-free, ensuring long-term reliability.
  • Compatibility: Can be fitted to existing site valves without requiring plant shutdowns or valve modifications.
  • Ergonomics: Ergonomically designed key position.
  • Key Safety: Utilizes a Trapped Linear Key Concept with uniquely coded keys for enhanced system security. Key codes are recorded for easy replacement and to prevent the use of duplicate keys.
  • Additional Keys: Spare keys and master keys are available upon customer request.

Specifications

  • Models: Available in three Models: MTL-S, MTL-L and MTLS-S.
  • Operation: The MTL Interlock can be easily mounted on valves allowing them to be locked in either open or closed position by removing a key. This ensures the valve is securely locked in the desired position.
  • Field Adjustable Mechanism: The number of rotations varies for different valves. The MTL Interlock features a field adjustable counting mechanism to synchronize the opening and closing of the valve by adjusting interlock settings at site.

Installation:

  • Live Process Installation: Can be installed on the valve during live operations without needing to shut down the system. This process does not compromise the system’s certified pressure envelope.

Multi Turn Locks (MTL) provide a dependable solution for securing multi-turn valve positions in various industrial applications ensuring safety and efficiency without interrupting operational processes.

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