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| Description | Ball valve DN25 ZA-welding face, with drive EE63, Stainless steel / PTFE FKM, spring return |
|---|---|
| Nominal size | DN025 |
| Body material | Stainless Steel |
| Function | single acting |
| Seals material | PTFE |
| Stem seals material | PTFE/FKM/Graphit |
| Operation | pneumatic - single acting |
| Connection type | Welding Connection DIN3239 |
| Connection size | 25 |
| Nominal pressure min. [bar] | 0 |
| Nominal pressure max. [bar] | 16 |
| Test pressure PT [bar] | 24 |
| Temperature range min. [°C] | -30 |
| Temperature range max. [°C] | +80 |
| Media temperature min. [°C] | -30 |
| Media temperature max. [°C] | +120 |
| Case design | 3-parts |
This DN25 ball valve with an EE63 drive is designed for precise control of inert gases and liquids. The valve features a stainless steel body (material code 1.4408) and uses PTFE seals with PTFE/FKM/graphite stem seals. It operates pneumatically with a single-acting mechanism and includes a spring return.
The valve’s body is constructed with a three-part screwed design and a full cylindrical bore, allowing for maintenance-free operation. It has a welding connection type per DIN3239. The actuator mounting is facilitated by a plate compliant with ISO 5211, which supports both direct and offset installation.
A twin-piston system within the actuator transfers force from counter-running pistons to a common pinion through two toothed racks, ensuring linear torque transmission throughout the valve’s stroke. The valve also includes a fire-safe certification, anti-static device, and meets AD approval standards, with TA-Luft approval currently being prepared.
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