Oleo Tecnica Socket-Weld Double Flanges

Description

Series 3000 and 6000 Specifications and Performance

Oleo Tecnica Socket-Weld Double Flanges represent a high-quality construction solution for connections in hydraulic systems subjected to heavy loads. The dimensional range is divided into two main architectures: Series 3000 and Series 6000. Series 3000 covers nominal diameters from 1/2″ up to 5″, operating with a maximum recommended working pressure ranging from 34 Kg/cm² (for the 5″ size) to 345 Kg/cm² (for compact sizes). Series 6000, designed to withstand higher pressure-stress cycles, is available in sizes from 1/2″ to 3″, handling maximum working pressures from 200 Kg/cm² up to 414 Kg/cm².

Materials and Construction Features

The hydraulic reliability and mechanical strength of these components are based on rigorous material selection. The assembly is available in two main materials to suit different chemical and mechanical environments: S355 carbon steel and AISI 316L stainless steel. The use of AISI 316L stainless steel helps prevent oxidation in circuits operating in corrosive environments, while S355 steel provides the strength and robustness required for standard industrial hydraulic circuits. Each supplied set includes the dedicated sealing ring (O-ring), with models ranging from code 4075 (for 1/2″ sections) up to 4537 (for 5″ sizes).

Working Pressure and Sizing

Technical system sizing requires an overall analysis of the circuit. The maximum recommended working pressure stated in the technical data is calculated exclusively on the basis of flange sealing characteristics. However, the maximum working pressure of the complete system is dependent on and limited by the wall thickness and material type of the welded steel pipe. The pitch (dimension C) and centre distances (dimensions E and F) vary proportionally with size, requiring the specific tolerances indicated in the mechanical machining data.

Fastening Systems and Ordering Designation

The coupling system of Socket-Weld Double Flanges uses complete installation kits. The standard order includes flange, counter flange and fastening set. Screw configurations can be specified with metric or UNC threads. UNC screw sets and screws intended for larger product codes (such as models DFS507S and DFS508S) are available exclusively in carbon steel.

For ordering, the technical designation is as follows:

• DFS prefix: Components in S355 steel.
• DFX prefix: Components in AISI 316L stainless steel.
• SM suffix: Supplied with metric screw set.
• SU suffix: Supplied with UNC screw set.

Summary technical table of the main characteristics of Oleo Tecnica Socket-Weld Double Flanges

Product Codes