ESBE VLE122 PN16 G2 1/4 DN40-25 regulating valve 21251100

Control valve for precise flow control

The ESBE VLE122 control valve is a reliable solution for heating and cooling systems, designed for mixing, switching, and regulating liquid flow. Made of high-quality bronze (Rg 5), it ensures durability and corrosion resistance, translating to a long service life even in demanding conditions. The VLE122 model with G 2 1/4" connections and a nominal diameter of DN40, with a Kvs coefficient of 25, allows for precise adjustment of the installation's operating parameters.

Construction and practical application

Valves in the VLE series are characterized by their versatility – they can be used in both two-way and three-way installations. They are ideal for handling liquid mixing, flow switching (with a pressure difference below 50 kPa), and smooth regulation. Thanks to the constant percentage flow characteristic, the valve reacts proportionally to the change in the position of the regulating element, ensuring stability and accuracy of operation. The stroke length of 20 mm allows for precise setting of the desired flow rate. The use of bronze as a construction material guarantees compatibility with various heating media, including water-glycol mixtures (up to 50%) and water-ethanol mixtures (up to 28%).

Key features and benefits

• Durability and reliability: Construction from Rg 5 bronze ensures corrosion resistance and long service life.
• Precise regulation: Constant percentage flow characteristic enables accurate adjustment of installation operating parameters.
• Versatility: Can be used in two-way and three-way installations – mixing, switching and flow regulation in one device.
• Compatibility: Works perfectly with ESBE actuators and controllers, creating an integrated control system.
• Low leakage level: Ensures minimal energy losses thanks to a low leakage coefficient (0.02% of the Kvs value).
• Safety: Pressure class PN 16 guarantees safe operation with a maximum differential pressure of 6 bar in the open position.
• Standard connections: External tapered threads (BSPP) facilitate installation and integration with existing infrastructure.

The ESBE VLE122 valve is a solid choice for both professional installers looking for a reliable component for building efficient heating systems, and for end-users who value comfort and precise temperature control in their home or company.