Gate Valves Β· Rising Stem Gate Valves
DIN Rising Stem Ductile Iron Gate Valves
DIN rising stem ductile iron gate valves pair the DIN 3352 F4/F5 rising-stem wedge design with a ductile iron body: the same visible position indication and F4/F5 face-to-face choice as the cast iron execution, on a tougher, more ductile body material that better survives handling, water hammer and mechanical stress. The benchmark page covers DN40 to DN600 at PN16 to PN420, DIN 3202 / ISO 5752 face-to-face, DIN 2501 flanges, flanged and butt-weld ends, and handwheel through pneumatic operation.
Part of the Rising Stem Gate Valves family
Last updated: 2026-11
Specifications
| size range | DN40 to DN600 |
|---|---|
| pressure class | PN16 to PN420 |
| body materials | Ductile Iron |
| body materials | Ductile iron |
| disc materials | Ductile Iron |
| stem materials | Stainless Steel |
| end connections | Flanged, Buttweld |
| operation | Handwheel, Gear Operated, Electric Actuated, Pneumatic Actuated |
| design standards | DIN3352 F4, DIN3352 F5 |
| testing standards | DIN3220 |
| face to face | DIN 3202, ISO5752 |
| flange standards | DIN2501 |
Application & selection guidance
Choose ductile iron over cast iron when the line sees pressure surges, traffic loading or rough handling - the same DIN envelope with a stronger body. The stainless stem on the benchmark page defines the wetted trim; the source page does not declare a seal-ring or seat material for this execution, so the seat compound must be confirmed at quotation rather than assumed. As with the cast iron execution, verify the per-size pressure rating for the larger bores before finalizing the class.
Frequently asked questions
Ductile iron vs cast iron gate valve - is the upgrade worth it?
Ductile iron has substantially higher tensile strength and elongation than grey cast iron, which shows up as better resistance to cracking from water hammer, ground movement and impact. For the same DIN 3352 envelope and connection dimensions, ductile iron is the conservative choice for pumping stations, buried mains under roads and any line with surge risk; grey cast iron remains economical for static, low-stress service.
What seat or seal does this valve close on?
The benchmark page declares body, bonnet, disc and stem materials but does not declare a seal-ring or seat material for the ductile iron execution - the cast iron sibling lists stainless steel and brass seal rings. Treat the seat compound as an open specification item: state the medium and temperature in the inquiry and have the seat material confirmed at quotation instead of assuming.
What information is needed to quote a DIN rising stem ductile iron gate valve?
Nominal diameter (DN40 to DN600 on the benchmark page), pressure rating, the F4 or F5 face-to-face series, flange drilling (DIN 2501), medium and temperature, operation (handwheel, gear, electric or pneumatic), and any coating requirement (fusion-bonded epoxy is common for water service). Ask for the seat material to be confirmed with the quotation.
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.
Knowledge: selection guides
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