BS 6283-3:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
15-10-2000
English
28-06-1991
Committees responsible
Foreword
Specification
Section 1. General
1.1 Scope
1.2 Definitions
1.3 Nominal size
1.4 Marking
Section 2. Materials
2.1 General
2.2 Bodies and associated parts
2.3 Sealing and diaphragm materials
2.4 Spring materials
Section 3. Design and construction
3.1 General
3.2 End connections and flow dimensions
3.3 Valve seat attachment
3.4 Guides and moving parts
3.5 Provision for deposits and drainage
3.6 Adjustment
3.7 Springs
3.8 Easing gear
Section 4. Performance
4.1 Production tests
4.2 Type tests
Appendices
A Information to be supplied by the purchaser
B Production tests
C Torque tests
D Back pressure test
E Opening and reseating temperature test
F Opening and reseating pressure test
G Discharge capacity test
H Water discharge test
J Endurance test
Tables
1 Nominal size of valve
2 Minimum dimensions of flow passages
3 Maximum value of dimension X as shown in figure 1
4 Torque
Figures
1 Typical arrangement of combined temperature and
pressure relief valves
2 Test arrangement for opening and reseating
temperatures and pressures
3 Test arrangement for discharge capacity
Important note : All end users must be registered with an Account prior to user licenses being assigned.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.