BS EN ISO 10434:2020
Current
The latest, up-to-date edition.
Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries
Hardcopy , PDF
English
23-09-2020
This document specifies the requirements for a heavy-duty series of bolted bonnet steel gate valves for petroleum refinery and related applications where corrosion, erosion and other service conditions can indicate a need for full port openings, heavy wall sections and large stem diameters.
| Committee |
PSE/18/2
|
| DocumentType |
Standard
|
| ISBN |
9780539053241
|
| Pages |
0
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This document specifies the requirements for a heavy-duty series of bolted bonnet steel gate valves for petroleum refinery and related applications where corrosion, erosion and other service conditions can indicate a need for full port openings, heavy wall sections and large stem diameters.
This document sets forth the requirements for the following gate valve features:
-
bolted bonnet;
-
outside screw and yoke;
-
rising stems;
-
non-rising handwheels;
-
single or double gate;
-
wedge or parallel seating;
-
metallic seating surfaces;
-
flanged or butt-welding ends.
It covers valves of the nominal sizes DN:
-
25; 32; 40; 50; 65; 80; 100; 150; 200; 250; 300; 350; 400; 450; 500; 600;
corresponding to nominal pipe sizes NPS:
-
1; 1¼; 1½; 2; 2½; 3; 4; 6; 8; 10; 12; 14; 16; 18; 20; 24;
applies for pressure Class designations:
-
150; 300; 600; 900; 1500; 2500;
and applies for pressure PN designations:
-
16, 25, 40, 63, 100, 160, 250 and 400.
| Standards | Relationship |
| ISO 10434:2020 | Identical |
| EN ISO 10434:2020 | Identical |
| I.S. EN ISO 10434:2020 | Equivalent |
| DIN EN ISO 10434:2020-12 | Equivalent |
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