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Two types of control valves are used in power systems of energy boilers:
– minimum flow valves, intended for use in the recirculation circuits of pumps powering boilers,
– starting – feed check valves, designed to control the flow of water to boilers.
| Nominal sizes | DN50 ; 65 ; 80 ; 100 |
| Nominal pressure | • PN250, PN 320 |
| Plug characteristics and type | linear, modified, other |
| Leakage class | basic: class IV ; enhanced: class V ; tight (special) class VI |
| Flow direction | under the plug (FTO) |
| Body material | carbon steel, alloy steel, stainless steel, other |
- The design of the valve makes it resistant to cavitation as a result of the application of the multi-cage labyrinthinethrottiing (multi-way) and the selection of appropriate materials such as: full stellite in case of plug and seat,titanium in case of stem, highly hardened throttling cages, alloy cast steel in case of body
- special design enabling control of low flows in the conditions of high drops of pressure, as well as large flows inthe conditions of small drops of pressures
- high leaktighiness of the closure
- guaranteed leaktightness of outer seals, according to the requirements of the provisions of TA Luft, located inthe zone of low pressure
- easy access to internal components of the valve
- control or an-off function
- the possibility of applying electrical, hydraulic or pneumatic drives
- a wide range of assortments, the ability to adapt the valve to individual customers requirements in terms of connections, flow parameters, and other
- additional equipment: quick exhaust valve for pneumatic actuators (quick opening), spring shock absorber forhydraulic or electric actuators (flexible contact of the plug onto seat)
- hydraulic impact resistance (water hammer)
- high durability and reliability.
We can adjust the control valve according to your individual needs. In such cases, please contact our technical support specialist.