Product details

GATE VALVE - STEFFENINI

Steffenini shut-off valves are a premium line of gate valves originating from Italy, manufactured by Steffenini – a company specializing in industrial valve equipment. These valves are used to completely open/close the flow in piping systems, typically made of forged steel or stainless steel, ensuring durability, tightness, and high pressure resistance.

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Basic Concept

Gate Valve: Also known as a sluice valve or shut-off valve. Its main function is to stop or allow the flow of fluid without affecting the flow rate or velocity.
Steffenini Gate Valve: Manufactured by Steffenini – Italy, a well-known company specializing in industrial valves, particularly for the oil & gas, chemical, and water treatment sectors.
Operating principle: The gate (disc) moves up and down perpendicular to the flow. When fully open, the flow passes through unobstructed; when closed, the gate presses tightly against the seat, ensuring high sealing performance.

Technical Specifications

Nominal size (DN): DN50 – DN1200 (depending on model)
Working pressure (PN): PN10 – PN40
Operating temperature: -10 °C to 400 °C (depending on seat and body material)
Valve body: Forged steel (WCB, LCB) or stainless steel (SS304/316)
Gate (disc): Forged steel or stainless steel, with wear-resistant coating
Stem: Alloy steel or stainless steel
Connection: Flanged according to UNI/DIN/BS/ANSI standards
Operation mechanism: Handwheel, gearbox, or electric/pneumatic actuator