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Butterfly Valves

Manual isolation for heating and cooling applications

Frese Butterfly Valve serie is used in heating and cooling applications, for HVAC, Marine and Industry applications.

Frese Butterfly valve serie is used as manual isolation valve in connection with Frese OPTIMA Compact Pressure Independent Control Valves and Frese ALPHA or Frese SIGMA Dynamic Balancing Valves.

By applying On/Off electric or pneumatic actuators the fully opening and closing of the hydraulic system can be controlled.

The high quality materials and surface treatment outside the valve ensures long lifetime in harsh environments.

Benefits

• Easy to install with no need of special flanges for installation
• The valve body and actuator can be completely assembled before delivery
• Low torque required for closing of the valves
• Suitable for numerous kind of applications due to the high quality materials
• Can be supplied with a wide range of actuators for various applications
• Seat located in valve body, which prevents seat from moving and keeps a tight valve when mounted as lugged type servivce valve

Features

• Valve sizes from DN50 to DN600
• The butterfly valves can be delivered both as Wafer type and as Lug type
• Coated valve body
• High close-off pressure up to 16 Bar
• Two-way sealing ensures zero leakage when the valve is closed
• CE marked