750.60 EURexcl. VAT · import VAT and duties on delivery
Kromschroder Adjusting spring (upper limit response) 03089065
SKU 03089065
Brand Kromschroder
Brand Kromschroder
Key specifications
| Factory setting | 120 mbar |
|---|---|
| Trip threshold | 120–220 mbar |
| Color | lilac / violet |
| Material | high-quality spring steel |
| Adjustment range | 120–220 mbar |
| Weight range | 0.025–0.03 kg |
| Spring function | determines the emergency threshold |
40.20EUR
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Description
Kromschroder Adjusting spring (upper limit response) 03089065 is a spare part for Kromschroder JSAV50, JSAV80, and JSAV100 safety shut-off valves. It determines the emergency threshold (upper pressure limit) at which the valve trips to shut off gas supply. The spring has a factory setting of 120 mbar and an adjustment range of 120–220 mbar. It is made of spring steel and has a lilac/violet color. The article numbers are 03089065 and 624. 625. 042, and it weighs 0. 025–0. 03 kg.
Further details
| Application | safety shut-off valves (SSV) of the JSAV 50, 80 and 100 series |
|---|---|
| Compatibility Series | JSAV 50, JSAV 80, JSAV 100 |
| Compatibility check | confirm that the spring is correct for the valve model and that the pressure setting can be adjusted within the stated range |
| Compatible valves | JSAV 50, JSAV 80, JSAV 100 (DN50, DN80, DN100) |
| Fatigue effect | a weakened spring will cause unstable pressure control |
| Gas type | natural gas, liquefied gas (propane-butane), biogas (max. 0.02% vol. h₂s), air |
| Inspection before install | inspect the spring for distortion or fatigue |
| Installation location | on gas trains (ramps) after the pressure regulator |
| Installation notes | ensure the spring seats properly in the regulator housing and that the adjusting screw or cap is free to move |
| Pressure range notes | the spring rate and preload define the pressure band |
| Replacement reason | if the valve trips too early (false lockouts), does not trip at dangerous pressure, or if protection needs to be adjusted to other gas network parameters |
Choosing and fitting
Parts of this type are selected by matching the valve model and the required pressure range. Before ordering, confirm the valve model (e.g., JSAV50, JSAV80, JSAV100) and the desired trip threshold within the adjustment range. Ensure the spring seats properly in the regulator housing and that the adjusting screw or cap is free to move. Inspect the spring for distortion or fatigue before installation.
Signs of failure
When springs of this kind weaken or fatigue, the valve may trip too early (false lockouts) or fail to trip at dangerous pressure, leading to potential overpressure damage downstream. Symptoms include unstable pressure control or the valve not shutting off when gas pressure exceeds the set limit. Check the spring for distortion, fatigue, or incorrect seating in the housing.
Fits equipment
Kromschroder JSAV50-JSAV100Kromschroder JSAV 50Kromschroder JSAV 80Kromschroder JSAV 100
All specifications
| Factory setting | 120 mbar |
|---|---|
| Trip threshold | 120–220 mbar |
| Color | lilac / violet |
| Material | high-quality spring steel |
| Adjustment range | 120–220 mbar |
| Weight range | 0.025–0.03 kg |
| Spring function | determines the emergency threshold |
Part numbers
| SKU | 03089065 |
|---|---|
| Additional article | 624.625.042 |
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