Globe Valves Β· Bellow Seal Globe Valves
Carbon Steel Bellow Seal Globe Valve
The carbon steel bellow seal globe valve is the carbon-steel-body execution of the bellow seal globe line: a WCB pressure boundary with A105+13Cr disc and seat ring, F6a stem, and an SS304+graphite gasket set behind a graphite packing seal. Design and manufacture follow DIN 3356 with DIN 3202 face-to-face and DIN 2543 flanging, sized DN15 to DN400 at PN16 to PN40 with flanged or buttweld ends.
Part of the Bellow Seal Globe Valves family
Last updated: 2026-11
Specifications
| body materials | Carbon Steel |
|---|---|
| body materials | Carbon Steel |
| disc materials | A105+13Cr |
| stem materials | F6a |
| seat ring materials | A105+13Cr |
| gasket materials | SS304+Graphite |
| packing materials | Graphite |
| gland materials | SS420 |
| gland flange materials | WCB |
| eyebolt materials | Carbon Steel |
| eyebolt nut materials | Carbon Steel |
| size range | DN15 to DN400 |
| pressure class | PN16 to PN40 |
| end connection | Flanged, Buttweld |
| operation | Handwheel Operated, Electric Actuated, Pneumatic Actuated |
| design standards | DIN3356 |
| face to face | DIN 3202 |
| flange end standard | DIN 2543 |
| inspection test | DIN 3230 |
Application & selection guidance
Select this execution where a WCB carbon steel body suits the line - steam, thermal oil and general industrial service - and a bellow seal is wanted to cut fugitive emissions at the stem. Confirm the PN16 to PN40 rating covers the operating pressure, pick flanged versus buttweld ends against the pipework, and match the per-size DIN 3202 face-to-face and bolting table to the mating flanges.
Frequently asked questions
What materials make up the carbon steel bellow seal globe valve?
The benchmark page lists body and bonnet in carbon steel, disc and seat ring in A105+13Cr, stem in F6a, gasket in SS304+graphite, graphite packing, an SS420 gland with WCB gland flange, and carbon steel eyebolts and nuts - a matched carbon-steel boundary and trim set.
Which standards govern this execution?
The benchmark page declares DIN 3356 for design and manufacture, DIN 3202 for face-to-face dimension, DIN 2543 for flange end dimension, and DIN 3230 for inspection and test, over DN15 to DN400 at PN16 to PN40.
What is needed to quote this valve?
Nominal size within DN15 to DN400, the PN16 to PN40 class against line rating, end connection (flanged or buttweld), and the actuation choice - handwheel, electric or pneumatic - from the operation line of the benchmark page.
Ordering & documentation
Documents
Ask for the documentation set you need with the inquiry β typical items for this execution (material certificates, test reports to the listed inspection standard, dimensional drawings) are confirmed and supplied with the quotation.
Quotation
A quotation-ready inquiry states: nominal size and pressure rating, body and seat material preference, end connection, operation, and the service medium with temperature. Typical values on this page are benchmark reference ranges; the binding values are confirmed at quotation.
Sample & supply
Supply terms, order quantities and lead time are agreed per order β state the destination country and required schedule with the inquiry.
Storage & shipping
Store valves with seats and seals protected from UV, ozone and deformation, keep end-face protectors on until installation, and for elastomer- or PTFE-seated executions avoid prolonged outdoor storage β seat compounds age fastest in direct sunlight and freezing conditions.
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