ISO 7241 pdf download

ISO 7241 pdf download

ISO 7241 pdf download Hydraulic fluid power — Dimensions and requirements of quick-action couplings
This International Standard specifies the interface dimensions and basic performance requirementsfor two series of hydraulic quick-action couplings. Both series are in widespread use and have similartechnological advantages. Series A is used predominantly in Europe and is preferred worldwidefor agricultural and forestry machinery, and this International Standard also specifies additionarequirements for Series A for use in agricultural machinery applications covered in ISO 5675. Series B isused predominantly in North America and in the chemical industry.
2 Normative references
The following documents,in whole or in part, are referenced in this document and are indispensablefor its application. For dated references, only the edition cited applies. For undated references, the latestedition of the referenced document (including any amendments) applies.
ISO 2944, Fluid power systems and components – Nominal pressures
ISO 3448,Industrial liquid lubricants — SO viscosity classification
ISO 5598, Fluid power systems and components – Vocabulary
ISO 5675,Agricultural tractors and machinery – General purpose quick-action hydraulic couplers
ISO 6508-1, Metallic materials — Rockwell hardness test — Part 1: Test method (scales A, B, C, D, E, F, G, HK N T)
ISO 188691), Hydraulic fluid power — Test methods for couplings actuated with or without tools
3 Terms and definitions
For the purposes ofthis document, the terms and definitions given in ISO 5598 and the following apply.
coupling valve opening forcemaximum force required to fully open the hydraulic quick-action coupling valve when the pressureinside the coupling is at zero
female halfreceptacle portion of a quick-action coupling which normally includes the mechanism to lock the twohalves of quick-action coupling together
interfacethat portion of a coupling half that establishes and controls interchangeability
male half
probe portion of a quick-action coupling which fits and locks into the female half

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