Wedge and knife gate valves - what are they made of and where are these parts used
Gate valve. Gate valve design. Varieties. Knife and wedge gate valve. Case material and drive types. Design features of gate valves.
Sewer and Gutters
The pipe is thermohydroinsulated (TGI) in polyurethane foam (PPU) in a cover from PE
Pipe TGI PPU PE: product features in PE, OTs shell, standardized dimensions and mass of TGI elements, characteristics of PE pipe-shells, product requirements, UEC system.
The better it is to insulate a metal pipe for a chimney: the main methods of insulation of chimneys
How to insulate a metal chimney pipe. The purpose of insulation of chimneys. The benefits of chimney insulation. Features and methods of warming metal chimney pipes.
Ventilation pipes: smooth and corrugated plastic for hoods
Plastic ventilation pipes for the hood: the properties of smooth and corrugated ducts, the main features of the connection and masking of the elements of the exhaust system.
Painting industrial and domestic pipelines: how and why this is done
Piping painting. How to paint pipes in accordance with GOST14202-69. Methods for applying marking paint. How to calculate the amount of paint. Painting gas pipes.
Knock, crackle and noise in the heating pipes of an apartment building or a private house
A knock in the heating pipes of a private house: features of noise, the causes of crackling, knocking and other noises in heating pipes, eliminating water drilling in radiators, water hammer as a source of noise.
Bell-shaped pipes: purpose, types, application practice
Bell-shaped pipes in construction and operation. Production and organization of pipelines, their capabilities and characteristics.
Metal and plastic square pipe: how not to make a mistake in choosing
Square pipe: the basics of the production of square pipes from metals and polymers, their properties and differences in applications, standardized sizes and technical indicators.
Ladder from a profile pipe: types and methods of manufacturing
Ladder from a profile pipe: spiral, mid-flight and straight. The main details and elements of the stairs. Advantages of profile pipes for mounting stairs. Phased installation.
Coupling for plastic pipes: what are the fittings
The coupling connecting for metalplastic pipes. Types of connections. What tool is needed for working with plastic pipes.Types of couplings and installation. Connection of pipes made of cast iron.