Safety Relief Valve VSBV
- Safety relief valve for relieving brief pressure surges in control systems preventing the safety shut-off valve JSAV from being activated unintentionally.
- Gas types: natural gas, town gas, landfill gas, LPG (gaseous) and biologically produced methane (max. 0.02 %-by-vol. H2S)
- Inlet pressure range up to 60 psig (4 bar)
- Opening pressure range adjustable 8" WC to 8.0 psig / 20–500 mbar
- Free of nonferrous metal
- CE certified models available
- Required for use with Regulator JSAV Overpressure Shut-off valve
The safety relief valve VSBV reduces temporary pressure surges in the controlled system, especially upstream of burners, to avoid accidental actuation of the safety shut-off valve JSAV.
The safety relief valve prevents sudden pressure increases in case of gas leakages due to the gas governors not closing tightly. It is specified for gas pressure regulating plants with inlet pressures > 100 mbar, in conjunction with a JSAV acc. to the codes of practice G 491. It is suitable for air, technical combustion gas acc. to the DVGW G 260/I, biogas, and gas produced at trash plants.
The VSBV reduces temporary pressure surges caused by fluctuations in system operation downstream from the pressure reducing regulator. It is required for use with the Regulator JSAV Overpressure Shut-off Valve.
|FAQ: Kromschröder Product Labels and Type Codes (Blog Post)|
|Safety Relief Valve VSBV Brochure|
|Safety Relief Valve VSBV Operating Instructions|
|Safety Relief Valve VSBV Technical Information|
|Model and Description||Model||Connection||Max inlet pressure†||Price||Cart|
Connection: 1″ NPT internal thread; Maximum inlet pressure: 60 psig (4 bar)
|VSBV 25TN40-0||1″ NPT internal thread||60 psig (4 bar)|
†The VSBV is set at the factory to 1.5 psig (100 mbar).
|Model and Description||Price||Cart|
|VSBV SPRING 01
Spring 8-16 " w.c. (20-40 mbar), red
|VSBV SPRING 02
Spring 14-20 " w.c. (35-50 mbar), yellow
|VSBV SPRING 03
Spring 18-30 " w.c. (45-75 mbar), green
|VSBV SPRING 04†
Spring 1-2.5 psi (70-170 mbar), blue
|VSBV SPRING 05
Spring 2.5-4.8 psi (165-330 mbar), black
|VSBV SPRING 06
Spring 4.7-7.2 psi (320-500 mbar), white
†Comes standard with the purchase of the VSBV valve.
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