Overview: The document is a technical catalog for PVC-U pressure retaining valves and pressure reducing valves, detailing their specifications, applications, and features. These valves are essential for maintaining constant back pressure in operating process systems and can also function as relief valves to reduce pressure peaks.
Specifications:- Nominal Pressure: PN 10 (15°C)
- Dimensions: DN 15 to DN 150
- Valve Material: Options include PVC, PP, and PVDF
- Diaphragm Material: EPDM or PTFE coated
- Temperature Range: Varies by material, e.g., PVC: -10°C to +60°C
- Coupling Standards: Solvent welded metric spigots
Key Features:- All parts in contact with the medium are made of highly resistant plastics.
- The set spring force presses the diaphragm onto the seal seat, opening the valve if system pressure exceeds operating pressure.
- Operating pressure is adjustable with a screw and secured with a lock nut; can be lead sealed if required.
- The housing shape assists flow, resulting in good flow values.
- No auxiliary energy is required to operate the valve.
- The valve is largely maintenance-free and can be installed in any position.
Applications: Suitable for high-purity water applications and a wide range of other applications due to the variety of available materials.
Additional Information: The document includes a disclaimer stating that all descriptions and illustrations are for guidance only and do not constitute a sale by description. Dimensions are nominal, and changes can be made without prior notice. The information is provided "as is" on the revision date stated.
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