Optiflex Fill and drain ball valves

For filling and draining of heating and cooling systems, boilers, radiators and pipework.
With cap. Handle with stop. Hose fittings, if included, with soft seal.

Other fill and drain cocks

Based on DIN 3848. For fluids, vapour and treated heating water, e.g. district heating. Can be used up to 180 °C for short periods.
Re-adjustment of the fill and drain cocks to maintain tightness during operation may be necessary, e.g. during operation in the low temperature range, with extreme temperature changes or when using penetrating additives in heat transfer fluids.

Fill and drain cocks - Accessories and spare parts