BS 1873:1975
Current
The latest, up-to-date edition.
Specification for steel globe and globe stop and check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries
Hardcopy , PDF
English
30-04-1975
Co-operating organizations
Foreword
Section 1 - General
1 Scope
2 References
3 Nomenclature
4 Pressure classification
5 Pressure/temperature ratings
6 Nominal sizes
7 Information to be supplied by the purchaser
Section 2 - Design
8 Body
9 Bonnet
10 Disk, disk nut and disk thrust plate
11 Yoke
12 Handwheel
13 Stem and yoke bushes
14 Stuffing box, packing and lantern ring
15 Bolting
16 Operation
17 Bypass
18 Soft seal rings
Section 3 - Materials
19 Shell
20 Body seat rings
21 Bonnet gasket
22 Disk
23 Yoke
24 Disk thrust plate
25 Handwheel or chainwheel
26 Handwheel or chainwheel nut
27 Yoke bush
28 Yoke bush retaining nut
29 Gland
30 Trim
31 Lantern ring
32 Stem packing
33 Bolting
34 Plugs
35 Nameplate
36 Soft seals
37 Special applications
Section 4 - Marking
38 Required markings
39 Body and nameplate markings
40 Body and bonnet markings
41 Nameplate markings
42 Additional markings
43 Body dividing wall marking
44 Omission of markings
Section 5 - Testing
45 Production pressure testing
Section 6 - Shipping
46 Preliminary
47 Preparation for despatch
48 Packaging
Appendix A - Particular dimensions for each
class of valve
Appendix B - Application to piping systems
with BS 4504 flanges
Publications referred to
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