Flanges and hygienic ends
Flanges and hygienic ends: scope, limits of use and technical checkpoints.
5 guides
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Identifying the series of hydraulic flange connections
In a hydraulic four-bolt flange, the hose flange head, clamp parts, O-ring, port face and bolts work together. Merely seeing the flange head diameter or four holes does not mean that the correct series and assembly have…
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How to distinguish Code 61 from Code 62
Code 61 and Code 62 are different series designations for hydraulic flange connections; the same nominal hose size does not show that they are interchangeable. The flange head, hole pattern, bolts, seal and the product'…
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Why PN and Class flange designations are not the same
PN and Class are designations used in different flange classification systems; Class 150 does not directly mean 150 psi. The permissible pressure is determined from the relevant standard table together with material and…
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Dimensional references for hygienic clamp connections
In a hygienic clamp connection, the clamp outside diameter, tube diameter and flow bore are different dimensions. For a correct match, the connection standard, series, ferrule geometry, gasket and clamp must be defined …
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Order information for DIN hygienic fittings
In a DIN 11851 type hygienic fitting, the nut, connection ends and seal together form a system. Ordering only by the round nut or the nominal diameter is not sufficient for correct geometry and cleanability.
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