Kromschroeder 75438981 spring 100 - 160 mbar, negro/rojo

Adjusting spring Kromschroder 75438981 for gas regulator VGBF 50 (range 100–160 mbar). This is an original replacement spring from Kromschroder, designed for precise adjustment of gas outlet pressure in VGBF 50 series regulators. It is rated for a pressure range of 100 to 160 mbar and has a color marking "black/red", ensuring simple and error-free identification during service. If your gas regulator cannot provide the necessary pressure for the burner (too low or high), or when replacing an old, worn spring, this part will help quickly and accurately adjust the equipment. Technical specifications: Parameter Value Part numbers 75438981, 624.625.004 Manufacturer Kromschroder / Honeywell (Germany) Part type Adjusting spring (Druckfeder / Spring) Compatibility VGBF 50 (gas pressure regulator DN50) Outlet pressure range 100 – 160 mbar (10 – 16 kPa) Color marking Black / Red Weight 0.1 – 0.11 kg Application Natural gas, liquefied gas (propane-butane), biogas, air Compatibility This spring 75438981 is specially designed for Kromschroder VGBF 50 gas pressure regulators (size DN50). It is part of the factory range of replacement springs for precise adjustment of outlet pressure (see table below). Additionally, this spring is also suitable for VAR 50 differential pressure regulators and is used in repair kits for VGBF 50–100. Part number correspondence table for VGBF 50 (DN50) regulators from official documentation: Outlet pressure range (mbar) Color marking Spring part number 5 – 12.5 — 75422031 10 – 30 Red 75422041 25 – 45 Yellow 75422051 40 – 60 Green 75422061 55 – 75 Blue 75422071 70 – 90 Black 75422081 85 – 105 White 75422091 100 – 160