DIN 3352 Stainless Steel Gate Valve 304/316L, DN50 to DN300, PN16 to PN40
Product Spotlights
As a specialized manufacturer with a strong export presence, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our premium range of DIN 3352 Stainless Steel Gate Valves. Engineered for demanding industrial applications, these valves combine the superior corrosion resistance of 304/316L stainless steel with robust construction to ensure reliable shut-off and long service life. Our commitment to quality, backed by ISO9001 certification, ensures every valve meets stringent performance criteria, making it a trusted choice for fluid control systems worldwide. Designed for versatility, this gate valve series is suitable for a wide array of media, from water and steam to various oils and mild chemicals, providing a durable and maintenance-friendly solution for your pipeline needs.
Detailed Product Features and Technical Specifications:
Our DIN 3352 Gate Valves are meticulously crafted to offer exceptional performance. The key to their reliability lies in the design and material selection:
- Superior Material Integrity: The valve body, bonnet, and wedge are constructed from AISI 304 or 316L stainless steel. This material choice provides excellent resistance to corrosion, pitting, and oxidation, ensuring longevity even in challenging environments.
- Robust Pressure Containment: With pressure ratings from PN16 to PN40, these valves are built to handle significant system pressures. The body is designed with adequate wall thickness and reinforced structures to maintain integrity under pressure.
- Effective Sealing Mechanism: The valve features a flexible wedge design (standard) that ensures tight sealing even with minor distortions in the valve body or seat rings due to temperature or pipeline stress. A solid wedge option is available for specific applications.
- Smooth Operation: The rising stem design with an outside screw and yoke (OS&Y) allows for clear visual indication of the valve position (open or closed). The stem is made of stainless steel and is precision-machined for smooth, low-torque operation.
- Versatile End Connections: Valves come with flanged ends compliant with DIN EN 1092-1 Form B1 (PN16/PN25) or Form B2 (PN40), ensuring easy and leak-proof integration into existing DIN-standard piping systems.
- Extended Service Life: Critical wearing parts, such as seat rings, are often made from or surfaced with harder materials or can be supplied in fully stainless steel construction, minimizing wear and extending maintenance intervals.
Technical Data Table:
| Parameter | Specification |
| Design & Manufacturing Standard | DIN 3352 F1/F4/F5 |
| Nominal Diameter (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300 |
| Nominal Pressure (PN) | 16, 25, 40 |
| Body & Trim Material | CF8 (AISI 304) / CF8M (AISI 316L) |
| Stem Material | Stainless Steel (304/316L) |
| Seat/Wedge Material | Stainless Steel (Standard) or Optional Hard-faced |
| Gasket Material | Graphite/Stainless Steel Spiral Wound (Standard) |
| Test Standards | Shell Test: 1.5 x PN; Seat Test: 1.1 x PN |
| Operation Temperature | -20°C to +200°C (Standard Packing) |
Benefits for Your Operations:
- Reduced Downtime: The durable stainless steel construction and reliable design minimize failures and the need for frequent replacements, keeping your processes running smoothly.
- Low Maintenance Costs: The robust design and quality materials lead to extended service intervals. When maintenance is required, the standardized design allows for easy disassembly and part replacement.
- Enhanced System Safety: The positive shut-off capability and pressure-rated design contribute to the overall safety and integrity of your piping system, preventing leaks and potential hazards.
- Broad Compatibility: Conforming to the widely recognized DIN 3352 standard, these valves ensure compatibility with a vast range of existing equipment and piping in international markets, simplifying procurement and installation.
- Corrosion Resistance for Diverse Media: The 304/316L stainless steel body makes the valve suitable for handling water, sea water, steam, air, oil, and many non-aggressive chemicals, offering great application flexibility.
With an established track record since 2016 and an annual export value ranging between US$1 Million and US$1.5 Million, Shanghai Zhibang has built a reputation for reliability across diverse markets including North America, Europe, Southeast Asia, and the Middle East. Our ISO9001 certified manufacturing processes guarantee consistent quality that meets international expectations. We support our global clientele with efficient logistics, shipping from major ports like Shanghai, Guangzhou, and Hong Kong. Choosing our DIN 3352 Stainless Steel Gate Valve means investing in a component that delivers performance, durability, and value. It is a solution engineered to withstand the test of time and operational demands. Contact us today to discuss your specific requirements, request a detailed quotation, or learn more about how our valves can enhance your fluid control systems.
Frequently Asked Questions (FAQ):
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Q: What is the main difference between the 304 and 316L stainless steel options for this valve?
A: The primary difference lies in corrosion resistance. AISI 316L contains molybdenum, which provides significantly better resistance to chlorides and acidic environments (like those containing salt or certain chemicals) compared to AISI 304. For standard water, steam, or mild chemical services, 304 is often sufficient and cost-effective. For marine, coastal, or more aggressive chemical applications, 316L is the recommended choice. -
Q: Can this valve be used for throttling or flow control purposes?
A: Gate valves are primarily designed for isolation (fully open or fully closed service). Using them for throttling or frequent partial opening can cause erosion of the seating surfaces and the wedge, leading to premature leakage. For flow control, we recommend using globe valves or control valves specifically designed for that function. -
Q: Is the valve suitable for steam service, and up to what temperature?
A: Yes, this DIN 3352 gate valve is suitable for steam service. With the standard graphite/spiral wound gasket packing, it is rated for temperatures from -20°C to +200°C. For higher temperature steam applications, please consult with our technical team for specific material and packing recommendations. -
Q: What type of flange facing is provided on these valves?
A: The valves are supplied with raised face (RF) flanges as standard, in accordance with DIN EN 1092-1. This is the most common flange facing for the specified pressure classes (PN16 to PN40). Other facing types, such as flat face (FF), may be available upon request for specific project requirements. -
Q: Do you offer actuated versions of this gate valve?
A: Yes, while the standard configuration is manual operation via a handwheel, we can provide electric actuators, pneumatic actuators, or gear operators as optional accessories. Please specify your actuation requirements (torque, voltage, control signal) when inquiring for a complete automated solution. -
Q: What documentation is provided with the valve shipment?
A: Standard documentation includes a Material Test Certificate (MTC) for the body material, a pressure test certificate confirming shell and seat tests were performed, a general product datasheet, and packing list. Additional certifications, such as a 3.1 material certificate, can be arranged upon request. -
Q: How is the valve tested before shipment?
A: Every valve undergoes 100% pressure testing. This includes a shell test (hydrostatic test at 1.5 times the nominal pressure) to check the body and bonnet integrity, and a seat leakage test (at 1.1 times the nominal pressure) to ensure the sealing performance of the wedge and seats meets acceptable standards. -
Q: What is the typical delivery lead time for an order?
A: Lead time depends on the order quantity, size, material grade, and any special requirements. For standard sizes (DN50-DN300) in 304/316L with PN16/PN40 ratings, we generally maintain stock or can offer competitive production lead times. Please contact us with your specific list for an accurate delivery schedule.
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