The Tognella FT 257/5-12 is an in-line single-acting flow control valve designed to regulate and, if necessary, shut off the flow in one direction while allowing free flow in the opposite direction. Key features include:

• Connection Size: G 1/2” BSPP female threads, suitable for standard hydraulic systems.

• Maximum Working Pressure: 400 Bar, accommodating high-pressure hydraulic applications.

• Flow Rate Adjustment: Adjustable oil flow rate from 0.5 to 200 liters per minute, depending on the valve size.

• Construction Material: Carbon steel body, ensuring durability and resistance to wear.

• Mounting Options: Suitable for in-line or panel mounting, providing flexibility in installation.

• Check Valve Setting: Integrated check valve set to 0.5 Bar, allowing free flow in the reverse direction.

• Design Features:

• Efficient metallic sealing for reliable operation.

• Linear flow control at the opening for precise adjustments.

• Stable positioning with a screw inside the knob to prevent unintended adjustments.

• Quick panel mounting capability; ring nuts are available upon request.

Tognella - FT 257/5-12 - In-Line Single-Acting Flow Control Valve, G 1/2”, 400 B