| Funktion | Safety valves |
|---|---|
| Industrie | Energy, Petroleum, chemical, Pharmaceutical, Plant engineering & construction, Steel, Sugar, starch, Water, waste water |
| Anwendung | High temperature, Hydropower, Low temperature/ cryogenic, Steam and energy, Water & waste water |
| Nenndruck | ANSI, 150, 300, PN, 10, 16, 25, 40 |
| Betriebstemperatur | Cyrogenic, High temperature, Low temperature, Standard temperature |
| Marken | ChemValve-Schmid |
The Erhard ball check valve offers backflow protection based on the ball check valve operating principle. In the open position, the sealing ball is pushed out of the flow cross-section by the medium. The Erhard ball check valves are particularly suitable for use in the waste water sector where there is a high risk of clogging.
Advantages:
Erhard ball check valves are resistant to dirt and are extremely maintenance-friendly as the valve works without mechanically moving parts. In addition, the ball check valve has low flow resistance in the open position.
ERHARD nozzle check valves are designed for universal use and are particularly economical check valves for untreated and potable water as well as purified waste water due to their design.
Special features include the ultra-low pressure loss due to optimised flow cross-sections, a flow-efficient valve disc and valve stem gasket, as well as optimum hydraulic behaviour with short closing travel to minimise pressure surges.
The ChemValve Schmid dual plate check valve has an eccentric disc and a wafer design.
The flow-friendly design reduces the pressure loss in the system and therefore the energy requirements of the plant.
Another advantage of this valve is that no gland is required due to the design and so it is impossible for the medium to escape.
The dual plate check valve is used in all industrial processes involving liquids, gases or steam.
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