Kromschroder VSBV 25R40-4 Safety Relief Valve

Description

This is a new-old-stock safety relief valve, model VSBV 25R40-4, manufactured by Kromschroder (now a Honeywell brand). It is designed to vent gas to the atmosphere if the pressure in the system exceeds the set value, thereby protecting downstream devices. This unit is unused and comes in its original packaging.

Specifications

• Manufacturer: Kromschroder
• Type: VSBV 25R40-4
• Part Number: 84583010
• Connection Size: DN25 (Rp 1 inch internal thread)
• Maximum Inlet Pressure (pe): 4 bar
• Set Relief Pressure (Pso): 100 mbar
• Material: Aluminum Body

Label Info

• Model: VSBV 25R40-4
• ID No: 84583010
• Serial No: 75441809
• CE Marking: CE-0085AP0101

Application

Ideal for use in industrial and commercial gas lines, burner management systems, and any application requiring overpressure protection for gaseous media.

Country of Origin

Made in Germany.

CO2 Impact

By purchasing this re-used part, you are helping to avoid 18.0 kg of CO2 emissions associated with the production of a new one. This is a sustainable choice for your operations.

Availability

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

FAQ

Question?

What is the setting range for the "-4" version of the VSBV valve?

The suffix "-4" in the model number VSBV 25R40-4 indicates a specific spring setting range, which is typically 50 to 150 mbar. This particular valve is factory set to 100 mbar, as stated on the label.

Can this valve be used for liquids, or is it only for specific gases?

This valve is specifically designed and certified for use with gases, including natural gas, town gas, LPG, and biologically produced methane, according to its technical documentation. It is not intended for use with liquids.

What do 'pe' and 'Pso' signify on the label?

'pe' refers to the maximum permissible inlet pressure, which is 4 bar for this model. 'Pso' (Pressure set opening) is the pressure at which the valve begins to open and relieve, which is set at 100 mbar for this unit.

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Last Update: Friday, March 13, 2026