Ductile Iron Gate Valve With Non-Rising Stem, Compliant With DIN 3352 Standard
Product Spotlights
As a professional valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to introduce our high-performance Ductile Iron Gate Valve with a Non-Rising Stem, meticulously engineered to comply with the DIN 3352 standard. Designed for reliability in demanding industrial environments, this valve offers robust flow control, exceptional sealing performance, and long-term durability. Our commitment to quality, backed by ISO9001 certification, ensures that every valve meets stringent manufacturing criteria, providing our global clients in markets from North America to Southeast Asia with a dependable solution for their pipeline systems.
This gate valve is engineered for applications requiring a compact design without external stem movement. The non-rising stem feature is ideal for installations with limited vertical space. Key features and advantages include:
- Superior Durability: The ductile iron body provides excellent strength and impact resistance, suitable for a wide range of pressures and temperatures.
- Reliable Sealing: Precision-machined seat and wedge ensure tight shut-off, minimizing leakage and enhancing system efficiency.
- Corrosion Resistance: Critical components like the stem are made from stainless steel, offering protection against rust and chemical attack.
- Low Maintenance: The robust design and high-quality packing materials (graphite or PTFE) reduce the need for frequent adjustments or replacements.
- Easy Operation: The handwheel design allows for smooth opening and closing, even after prolonged periods of inactivity.
- Broad Compatibility: Compliant with DIN 3352 and available in standard pressure ratings, it seamlessly integrates into existing international pipeline networks.
Technical Specifications:
The following table outlines the key technical parameters of our Ductile Iron Gate Valve:
| Parameter | Specification |
|---|---|
| Design & Manufacturing Standard | DIN 3352 F4 / F5 |
| Body Material | Ductile Iron (GGG40/500-7) |
| Stem Type | Non-Rising Stem (Inside Screw) |
| Nominal Pressure (PN) | PN10, PN16 |
| Nominal Diameter (DN) | DN40 to DN600 (customizable) |
| Connection Type | Flanged, DIN PN10/16 |
| Seat Ring Material | Bronze or Stainless Steel (Optional) |
| Stem Material | Stainless Steel (SS304/SS416) |
| Operating Temperature | -10°C to +120°C |
| Packing Material | Graphite or PTFE (Teflon) |
| Test Standards | Shell Test & Seat Test per DIN 3230 |
Benefits for Your Operations:
- Space-Saving Installation: The non-rising stem design is perfect for valve pits, underground installations, or areas with overhead obstructions, saving valuable space.
- Cost-Effective Performance: The combination of ductile iron and stainless steel offers a favorable balance between cost, strength, and corrosion resistance, providing long-term value.
- Enhanced Safety: Reliable shut-off capability ensures safe isolation of pipeline sections for maintenance or in case of emergencies.
- Global Compliance: Adherence to the DIN 3352 standard guarantees compatibility and performance acceptance in many international projects, particularly across Europe and other regions adopting DIN norms.
- Versatile Application: Suitable for water supply, wastewater treatment, oil and gas (non-critical), HVAC systems, and general industrial services.
Trust in a product backed by a manufacturer with a proven track record. Shanghai Zhibang Valve exports to over a dozen major markets worldwide, including North America, Europe, Southeast Asia, and Africa, with an annual export value ranging between US$1 Million and US$1.5 Million. Our ISO9001-certified quality management system underpins every stage of production, from raw material sourcing to final inspection. We offer flexible shipment options from key ports like Shanghai, Guangzhou, Hong Kong, and Beijing to ensure timely delivery. Choose our DIN 3352 Ductile Iron Gate Valve for a robust, reliable, and compliant solution that stands up to the demands of your critical applications. Contact us today for a quotation or to discuss your specific requirements.
Frequently Asked Questions (FAQ)
-
What is the main advantage of a non-rising stem design?
The primary advantage is its compact installation footprint. Since the stem does not rise above the handwheel during operation, it requires less vertical clearance. This makes it ideal for confined spaces, underground valve boxes, or applications where overhead space is limited. -
Can this valve be used for steam service?
The standard temperature range for this valve is up to 120°C. For steam service or higher temperature applications, specific material upgrades (e.g., different seat and packing materials) and design reviews would be necessary. Please consult with our engineering team for customized solutions. -
What are the available flange standards and face types?
The valve is supplied with flanges compliant with DIN PN10/16 standards. The flange face type is typically raised face (RF). Flanges conforming to other standards like ANSI/ASME can be provided as a customization option. -
Is the valve suitable for potable water applications?
Yes, it can be used for potable water. However, for direct potable water contact, we recommend specifying appropriate seat and packing materials (e.g., FDA-compliant materials) and can provide valves that meet relevant drinking water approvals upon request. -
How does the sealing mechanism work, and what is its expected lifespan?
Sealing is achieved through a precision-machined wedge (disc) that mates with two seat rings in the valve body. The stem rotates to move the wedge perpendicular to the flow, creating a metal-to-metal seal. With proper installation and use within specified limits, the sealing surfaces can last for many years. The graphite or PTFE packing around the stem provides a secondary seal and is also designed for longevity. -
What maintenance is required for this gate valve?
Routine maintenance is minimal. It primarily involves periodic checks for external leaks and ensuring the handwheel operates smoothly. The packing gland may occasionally require adjustment. Major maintenance, such as seat or wedge replacement, is infrequent and depends on service conditions. -
Do you offer actuated versions of this valve?
Yes, we can equip this valve with electric or pneumatic actuators for remote or automated operation. Actuator selection depends on torque requirements, available power source, and control needs. Please provide your specifications for a tailored proposal. -
What is your lead time for standard sizes?
For standard sizes within the DN40 to DN300 range, typical lead time is 4-6 weeks after order confirmation. Lead times for larger sizes or customized orders may vary. We maintain efficient logistics from multiple Chinese ports to expedite global shipping.
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