GB/T 4982-2025 Active National standards

GB/T 4982-2025 Vacuum technology—Dimensions of clamped-type quick-release couplings

Publish Date: 2025-10-31 Implement Date: 2026-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 4982-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Vacuum technology and equipment

ICS Name: Vacuum technology

Publish Date: 2025-10-31

Implement Date: 2026-02-01

Pages: 16 pages

Scope

This document specifies the dimensions of clamp-type quick-release connectors commonly used in vacuum technology, as well as the dimensions of O-ring seals and their brackets, clamps, and blind plates that are compatible with clamp-type quick-release connectors.
Note: The internal diameter dimensions of clamp-type quick-release connectors are specified here to ensure that they match the corresponding vacuum flange dimensions in ISO 1609 [1].