DILO screw-in tube unions: Available in sizes DN3 to DN50 and Metric, Whitworth or NPT thread. Temperature-resistant from -270 °C up to +500 °C.

DILO's success story began in 1951, when we launched metal-to-metal seal high pressure tube unions. Today's product range includes weld-on tube unions and blocking valves, non-return valves, and high pressure hoses: all that is required for high pressure tube unions, guaranteeing maximum gas tightness.

DILO screw on tube fitting made of metal, available in straight, angled/t-shape. Metric screw, Whitworth or NPT. Temperature resistant up to 500°C.

Straight DILO tube unions are available with weld-on ends for applications where high vibration resistance is required. They are also available with weld-on end and screw-in thread. Different threads enable appropriate connections. On request, we also supply unions in materials with standing temperatu-res from -270 °C up to +500 °C. Per-

DILO’s high pressure tube unions can help! Our high pressure tube unions remain hermetically sealed even under critical operating conditions. The secret lies in the high-quality metal-to-metal sealing principle developed by DILO.

DILO special tube union fittings in various material combinations for customer specific applications. Double socket for a further connection possibility.

Here are DILO’s high pressure tube unions! Our high pressure tube unions remain hermetically sealed even under critical operating conditions. The secret lies in the high quality metal-to-metal sealing principle developed by DILO.

DILO material code letter 1.0460 P250GH 1022M A 1.4571 X6CrNiMoTi17-12-2 316 Ti C 1.7335 13CrMo4-5 A 182 D 1.4922 X20CrMoV11-1 --- Q 1.4903 X10CrMoVNb9-1 --- P91 1.4901 X10CrWMoVNb9-2 --- P92 Surface treatment and cleaning Before dispatching or storing the finished tube unions must be treated as follows: Dimensions of tube connections / Standards

Three-part union consisting of weld-on stub, clamping nut and screw-in stub C 2574-05 21 DN d 1 s d 3 d 4 d 7 L 2 l 2 i 2 a 2 s 2 s 3 Order number Material number 1.0460 1.4571 4 6 1,25 M 14x1,5 M 10x1 14 39 18 8 1,5 14 17 M1B 4 6 8 1,5 M 16x1,5 M 12x1,5 17 41 18 12 2 17 19 M1B 6 8 10 1,5 M 18x1,5 M 14x1,5 19 46 21 12 2 19 22 M1B 8

Straight DILO tube unions are available with weld-on ends for applications where high vibration resistance is required. They are also available with weld-on end and screw-in thread. Different …