Blog

Choice of the spring check valve and the right seal 27/05/2016
Choice of the spring check valve and the right seal
In the dedicated section of the catalogue, we may find such a versatile and reliable product as the spring check valve (aurora model), a device to apply to plants through a threaded connection. The sizes are suitable to small diameter pipes and may reach up to a maximum value of [...]

Characteristics of the cast (austenitic) stainless steel CF8M 20/05/2016
Characteristics of the cast (austenitic) stainless steel CF8M
In the production of valves through the micro-fusion process, a method mainly used for the realization of bodies of valves, the material used in most instances is the cast stainless steel CF8M, an alloy that is part of the austenitic stainless family and is the equivalent of the more famous AISI [...]

Calcolulation of the tightening of flat face flanges 13/05/2016
Calcolulation of the tightening of flat face flanges
Connections between pipes or parts of installations, such as tanks, are usually realized with flat face flanges, useful to make the assembly modular and facilitate a possible maintenance. Among detachable connections, in fact, these are the most widely used and the most robust ones as [...]

Lower pressure drops with the 45º F-F elbow. 06/05/2016
Lower pressure drops with the 45º F-F elbow.
Threaded connections may be done with a wide variety of connectors, among them: elbows, 45º F-F elbow, tees, sleeves, nipples, realized in order to ensure sealed connections on the thread that are capable of challenging almost any type of fluid, in especially harsh environments. We said [...]

Dished ends in a variety of different materials 29/04/2016
Dished ends in a variety of different materials
Completing a plant is easy if we can use dished ends, conceived in order to be butt-wedded to the ends of the pipes themselves, thereby creating the possibility of their future removal and being able to proceed with the installation. Their purpose is also to distribute stresses, especially in [...]

ISO 5211 Flange in order to connect actuators to valves 22/04/2016
ISO 5211 Flange in order to connect actuators to valves
A useful detail we find on ball valves available in the INTERTUBI catalogue is the ISO 5211 flange which, governed by the relevant standard, enables the connection to the valve itself of electric, hydraulic or pneumatic actuators capable of controlling the opening and closing of the circuit, or of [...]

Swing check valves to get an almost total passage 15/04/2016
Swing check valves to get an almost total passage
In the dedicated section of the INTERTUBI catalogue, we may find two models of swing check valves, a wafer type version to assemble between two flanges, or a version with threaded ends. Both valves are realized in stainless steel. The use of swing check valves is usually recommended in the [...]

The tradition of the ISO 7 thread still endures 08/04/2016
The tradition of the ISO 7 thread still endures
When it comes to fittings, there is still the usage of defining a seal thread as ISO 7 thread, even though it has been replaced by the new EN 10266-1 European standard, which does not in any event alter the main characteristics and sizes. Despite that, the usage still endures, but the fact [...]

Range of Y filters realized for microfusion 01/04/2016
Range of Y filters realized for microfusion
In the INTERTUBI catalogue, we may find a Y filter suited to heavy duty applications, realized with flanged ends conforming to the DIN 2501 standard. The flanged part, like the rest of the filter, may withstand maximum pressures of up to 16 bar, suitable for most of the plants. The body of the [...]

The ISO 5752 standard and the ease of finding spare parts 25/03/2016
The ISO 5752 standard and the ease of finding spare parts
The international ISO 5752 standard has as its scope of application, which is the departure point of every rule, the definition of the face to face distances for two-way valves in flanged systems. This distance is defined as the one that is measured between two planes perpendicular to the axis [...]


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