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See Chinese contents: GB/T 14034.1-2023 GB/T 14034.1-2023: Connections for hydraulic fluid power - Metallic tube connectors - Part 1: 24° cone connectors
This document specifies the general design requirements, basic dimensions, performance requirements, qualification tests for 24° cone connectors, which are suitable for ferrule and O-ring seals. This type of connector is suitable for metal pipes, which have an outer diameter of 4 mm ~ 42 mm. The connectors specified in this document are suitable for transition connection between metal pipes or hose fittings and oil ports that comply with GB/T 2878.1, ISO 1179-1, ISO 9974-1 (see GB/T 9065.2 for relevant hose fitting specifications). Note 1: For new application designs, 9.6 gives relevant requirements. Where elastic seals are allowed, connector designs that comply with national standards and include elastic seals are preferred. Note 2: For use outside the specified pressure and temperature range, see 5.4. Note 3: This type of connector operates at the working pressure given in Table 1, to achieve full flow connection. Since many factors affect the pressure of normal operation of the system, these values cannot be used as minimum guaranteed values. For each application, both the supplier and the buyer need to conduct sufficient tests and check the results, to ensure that the connector meets the required performance level.
