CEL, CES Fittings (P21)

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CEL / CES (P21) FITTINGS ET - external metric thread

Straight hose fitting with external thread

Straight metric fitting with external thread - with a 24-degree internal cone (concave cone) manufactured according to PN-65/M-73140, PN-65/M-73141, DIN 3901, DIN 3902 standards. CEL/CES fittings are among the most popular metric fittings with external threads (hence sometimes marked as GZ). Fittings are suitable for connection with metric fittings with a nut, i.e. DKOL - after tightening, they form a leak-tight high-pressure connection. CEL fittings can be replaced with a DKOL fitting and a BB connector ( metric connector with external threads ) After tightening the DKOL fitting and the straight connector, you will obtain the same configuration as in the CEL fitting. This type of fitting is sometimes referred to as a hose nipple with an external thread. Our offer also includes fittings with inch external threads, i.e. AGR fittings

Division of fittings - light and heavy version

P21 fittings come in 2 versions: CEL - light version and CES - heavy version. CEL connects with DKOL and CES connects with DKOS. Thanks to their external thread design, they provide a solid and durable connection, guaranteeing high tightness and operational reliability in various conditions. We distinguish two main types of straight fittings in our offer: CEL (light version) – designed for systems with moderate load and pressure. CES (heavy version) – dedicated to systems operating under high pressure and heavy loads. The difference is that CEL fittings have different cone dimensions compared to CES fittings. The second difference is that CES fittings are intended for higher pressures.