BS 1414:1975

Superseded

View Superseded by

Specification for steel wedge gate valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries

Available format(s)

Hardcopy , PDF

Superseded date

30-07-2004

Language(s)

English

Published date

30-04-1975

Publisher

British Standards Institution

Co-operating organizations
Foreword
Specification
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 Wedge
11 Yoke
12 Handwheel and handwheel nut
13 Stem and yoke sleeve
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 Wedge
23 Yoke
24 Handwheel or chainwheel
25 Handwheel or chainwheel nut
26 Yoke sleeve
27 Yoke sleeve retaining nut
28 Gland
29 Trim
30 Lantern ring
31 Stem packing
32 Bolting
33 Plugs
34 Nameplates
35 Soft seals
36 Special applications
Section 4 - Marking
37 Required markings
38 Body and nameplate markings
39 Body and bonnet markings
40 Nameplate markings
41 Additional markings
42 Omission of markings
Section 5 - Testing
43 Production pressure testing
Section 6 - Shipping
44 Preliminary
45 Preparation for despatch
46 Packaging
Appendix A - Particular dimensions
for each class of valve
Appendix B - Application to piping
systems with BS 4504 flanges

Outside screw and yoke, solid wedge (plain or flexible) rising stem gate valves, with or without soft seals in nominal sizes within the range 25 to 600 mm (l to 24in) and Class 150 to 2500. Covers also carbon steel valves in nominal sizes 650 to 1050 mm (26 to 42 in) in Class 150 and 300 only.

Committee	PSE/18
DevelopmentNote	Supersedes 71/37781 DC, 87/71375 DC, 89/79941 DC. (07/2002)
DocumentType	Standard
Pages	28
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN ISO 10434:2004

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