Hydrobar Flow Limiter

• RYL Hydrobar flow restrictor valves are fully hydraulically operated control valves, designed to maintain a constant flow rate regardless of upstream pressure variations. The device automatically limits the flow to a defined setpoint value. When the actual flow rate is below the set threshold, the valve opens fully to minimize pressure drop and ensure free flow.
• The valve is designed to reduce pressure drop, noise and cavitation-related damage. The RYL control valve is completely modular and can be used for a wide range of applications
• Epoxy coating according to FBT technology, color blue RAL 5005.
• Internal and external application with a minimum coating thickness of 250 μm.
• Epoxy coating, approved for drinking water, electrostatically applied according to DIN 3476-1.

Compliance with standards:

• Tested according to EN 12266.
• Face-to-face dimensions ISO 5752-1. 

Approval:

• ACS (Certificate of Health Conformity). 

Information for sizing:

• Upstream, downstream pressure and flow are necessary for correct sizing.
• The AC device is recommended against cavitation and in the event of low flow.
• A minimum length of 5 DN between the valve and the diaphragm and 3 DN downstream of this is recommended for best accuracy.

Flow driver adjustment:

• The diaphragm is calculated and machined according to the maximum flow rate. A range of value adjustment is possible according to the valve chart provided.

Conditions of use:

• Maximum temperature: 70°C.
• Minimum operating pressure: 1.2 bar.
• Maximum operating pressure: 25 bars.

Options:

• Linear position transmitter with mA output (RYL CSPL model).
• On-off linear position transmitter (RYL CSPO model).
• Pressure measurement kit.
• High filter self-cleaning capacity.

Applications:

• Water distribution networks
• Fire protection networks
• Irrigation networks