Blog

Piping Technology Know-how

Practical knowledge on pipes, flanges, fittings, valves and gaskets – standards, materials and applications, clearly explained.

Plant Engineering

DN, PN and Schedule: pipe key figures simply explained

Nominal diameter, pressure rating and wall thickness – the three most important key figures of every pipeline, clearly explained.

20 July 2026
Flanges

Flanges to EN 1092-1: types, sealing faces and pressure ratings

Weld-neck, blind or loose flange? Designs, sealing faces and PN pressure ratings in piping construction.

10 July 2026
Pipe Accessories

Pipe bends to DIN 2605: types, radii and materials

3D or 5D, 90° or 45°, seamless or welded – how to choose the right pipe bend.

28 June 2026
Quality & Standards

Inspection certificate 3.1 or 2.2? Test certificates to EN 10204

What lies behind 2.1, 2.2, 3.1 and 3.2 – and which certificate you need for which application.

15 June 2026
Gaskets

Choosing gaskets correctly: flat, spiral wound and ring joint

Which gasket suits which flange connection? An overview by pressure, temperature and medium.

30 May 2026
Services

Site measurement & material take-off on site: how we plan your pipeline

Before the first metre of pipe is ordered: how we survey on site, design and calculate the budget.

15 May 2026
Power Plant Technology

Superheater coils and tube sheets: special parts for boiler & power plant

Bent boiler tubes and drilled tube sheets – how special parts for the three-pass boiler are produced.

28 April 2026
Fastening Technology

Bolts & stud bolts for flanges: grades 8.8, 10.9, A2 and A4

Which bolting suits the flange connection? Strength classes and materials at a glance.

12 April 2026