BS 1963:1969
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for pressure operated relay valves for gas burning appliances
Hardcopy , PDF
08-31-1990
English
02-13-1970
Requirements for general purpose relay valves for use in 1st and 2nd family gas systems up to 30 bar and in 3rd family gas systems up to 45 bar, with connections from ¼ in to 6 in BSP, including materials, constructional requirements, standards of performance and gas soundness with appropriate tests.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.