Product details

CHECK VALVE - STEFFENINI

Steffenini check valves are high-quality industrial valves designed to allow flow in only one direction and prevent reverse flow. They are crucial components in piping systems, protecting pumps and equipment and ensuring safe operation.

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Basic Concept

Check Valve: A valve that automatically opens/closes by the pressure of the flow, without external actuation.
Steffenini: An Italian brand well-known in the industrial valve sector, supplying products for oil & gas, chemical, water treatment, and food industries.

Technical Specifications

Design: Swing check, lift check, or wafer check (depending on application)
Standards: API 6D, ASME B16.34, DIN, ANSI
Nominal Size: DN15 – DN1200
Working Pressure: PN10 – PN420 (Class 150 – 2500)
Body Material: Ductile iron, carbon steel, stainless steel (SS304/316), special alloys
Disc: Stainless steel or hardened coated steel, wear-resistant
Seat (Sealing Gasket): EPDM, NBR, PTFE, or metal
Working Temperature: -20 °C to 400 °C (depending on material)
Connection Types: Wafer, Lug, Flanged (DIN, ANSI, JIS)
Applications: Water supply and drainage systems, wastewater treatment, fire protection, HVAC, oil & gas, chemical, and food industries