Kromschroder Gas solenoid valve VG25R02NT31D 85207030

SKU 85207030 Model VG25R02NT31D Brand Kromschroder
Kromschroder logo — Kromschroder spare parts for burners and boilers Brand Kromschroder
Buy Kromschroder Gas solenoid valve VG25R02NT31D 85207030

Key specifications

Nominal diameter (DN)25 mm
Connection threadRp 1/2
Class A according to EN 161class a
Flow adjustmentyes
Certificationcertified in the eu
all specifications (5) ↓

685.20EUR

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Description

Kromschroder Gas solenoid valve VG25R02NT31D (SKU 85207030) is a Class A gas valve according to EN 161, certified in the EU. It has a nominal diameter of 25 mm and a connection thread of Rp 1/2. The valve is designed for automatic gas supply control in industrial heating systems, burners, and boilers, and includes a flow adjustment feature.

Further details

Gas suitabilitynatural gas, town gas, liquefied gas (lpg) and air
Replacement verificationverify gas type, pressure range, and electrical supply compatibility
Typical failuresburnt-out coil, leaking seat, drifting outlet pressure, seized servo regulator

Choosing and fitting

Parts of this type are selected by connection size (typically Rp 1/2" to 2" or flanged), coil voltage (230 V or 24 V AC/DC), and function (e.g., single or double solenoid, slow opening, servo-regulated, or multiblock). Before ordering, verify the gas type, pressure range, and electrical supply compatibility. Installation involves standard threaded connections, and the coil is often replaceable separately from the valve body.

Signs of failure

Common failure modes include a burnt-out coil, leaking seat, drifting outlet pressure, or seized servo regulator. Symptoms may include the burner failing to ignite, gas flow continuing when it should stop, or inconsistent flame. Check the coil continuity, seat sealing, outlet pressure stability, and servo regulator movement.

All specifications

Nominal diameter (DN)25 mm
Connection threadRp 1/2
Class A according to EN 161class a
Flow adjustmentyes
Certificationcertified in the eu

Part numbers

SKU85207030
Additional article624.331.062
ModelVG25R02NT31D

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685.20 EUR 1