Control- and security valves
- For pressure, level and flow control
- Optimum corrosion protection thanks to EKB coating in accordance with GSK
- Own medium controlled or externally controlled
- Cavitation-optimized design
The task of ERHARD control valves is to regulate, hold, limit or convert pressure or flow rates and thus offer maximum safety and control when used in the network. A distinction is made between control valves with spring loading or control by the medium itself. The pilot valve made of stainless steel 1.4401 (up to DN 200) guarantees stability and durability. Even under difficult operating conditions, such as large differences between upstream and downstream pressure, the control valve offers performance and high reliability.
Based on decades of experience in the development and production of needle valves, the ERHARD RKV needle valve offers numerous advantages. ERHARD offers a wide range of control inserts for safe and reliable pressure reduction for every application to prevent cavitation damage: seat ring, vane ring, slotted cylinder, perforated cylinder and other special inserts. Optimized flow behaviour and sophisticated flow control for practical zeta values, lowest pressure losses at full opening. In addition to over 70 years of experience, ERHARD continuously carries out hydraulic tests and numerical fluid simulations to further optimize cavitation control. ERHARD confirms its expert position in mastering extreme applications. Numerous actuator options complement the portfolio and rightly give the piston valve the title "Customized Solution".