BS EN 1281-1:1997

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Antistatic and electrically conductive connectors
5 Materials
6 Conical connectors made of metal
7 Conical connectors made of materials other than metal
8 Latching connectors of 22 mm size
9 Marking
10 Information to be supplied by the manufacturer
Annexes
A (informative) Plug and ring test gauges for conical
    connectors made of metal
B (normative) Plug and ring test gauges for conical
    connectors made of materials other than metal
C (normative) Method of test for security of engagement of
    latching connector of 22 mm size to male conical connector
D (normative) Method of test for leakage from latching
    connectors
E (normative) Drop procedure for latching connectors
F (informative) Suggested apparatus and methods for testing
    for security of engagement of latching connectors
G (informative) Bibliography
ZA (informative) Clauses of this European Standard addressing
    essential requirements or other provisions of EU
    directives

Defines dimensional and gauging requirements for cones and sockets, together with performance requirements for latching connectors to be used in medical devices, eg. breathing systems, anaesthetic gas scavenging systems and vaporizers.