LESER Compact Performance Safety Valve

Description

This is a Type 4594.2162 safety relief valve from LESER, a leading global manufacturer of high-quality safety valves. This valve is designed for compact installations and provides reliable protection against overpressure in a wide range of industrial applications. It is constructed from high-grade stainless steel (1.4404 / 316L) for excellent durability and corrosion resistance. This unit is new old stock from 2019 and is in excellent condition.

Specifications

• Manufacturer: LESER
• Type: 4594.2162
• Set Pressure: 250.00 bar / 3625.9 psi
• Inlet Size: G 1/2 inch (PN 250)
• Outlet Size: G 1 inch (PN 160)
• Body Material: 1.4404 / 316L Stainless Steel
• Flow Area: 63.6 mm2
• Lift: 2.1 mm
• Operating Temperature: 20 deg C / 68 deg F

Label Info

• Serial Number: 11639767
• LESER Job Number: 20434044/10
• Date of Manufacture: 12/2019

Application

This safety valve is suitable for protecting systems handling steam, gas, or liquids. Common applications include thermal expansion protection in closed circuits, pump protection, and pressure vessel safety in the chemical, petrochemical, and energy industries.

Country of Origin

Made in Germany.

CO2 Impact

Opting for this pre-owned safety valve instead of a new one prevents the emission of approximately 4.0 kg of CO2, which is associated with the manufacturing of a new unit. This choice supports a more sustainable industrial practice.

Availability

This item is in stock and ready for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

FAQ

This type of stainless steel offers excellent resistance to corrosion from a wide range of chemicals, acids, and chlorides. It makes the valve ideal for use in demanding environments such as chemical processing, pharmaceutical manufacturing, and the food and beverage industry.

No. Safety valves are precision instruments that are factory-set and sealed to a specific pressure to ensure system integrity and personnel safety. Any adjustment would require breaking the seal and must be performed and re-certified by an authorized and qualified service facility.

Yes, absolutely. The nameplate on the valve explicitly provides capacity ratings for Steam, Gas, and Liquid services according to ISO 4126 standards, confirming its versatility and suitability for saturated and superheated steam applications within its pressure and temperature limits.

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Last Update: Friday, March 13, 2026