EWO DN 7.4 Safety Coupling (411.501)
Manufactured in Germany by EWO, this rotatable safety coupling features a red push button and belongs to the pneumatic accessories category. It is built with an external thread G 1/4 a, a length of 70.5 mm, and a wrench size of 21 mm. The component operates within a pressure range of 1 to 16 bar, supporting a maximum operating pressure of 16 bar MOP. According to ISO 6358, the nominal flow rate is 1,957 l/min with a QN of 1,800 Nl/min. Materials consist of an anodized aluminum housing, galvanized steel for the connection piece, end piece, push button, and valve insert, alongside stainless steel springs and balls, plus NBR seals. Operating temperatures range from -20 °C to +100 °C. For installation, the preferred setup places the coupling before the plug in the flow direction, though flow direction itself is flexible.
Please note that exact pricing, current availability, and lead times for this spare part are exclusively confirmed through an official request for quotation (RFQ).
- Delivery of industrial parts and equipment across Europe via DHL Group.
- Prices and terms are confirmed exclusively in an individual quotation.
- Direct from stock and made to order.