EN 1074 OS&Y Rising Stem Gate Valve EPDM Sealed Ductile Iron for Water Supply
Compliant with EN 1074, this gate valve offers reliable shut-off with fully encapsulated EPDM wedge for water distribution systems.
Product Summary
This EN 1074 OS&Y rising stem gate valve is designed for water supply and distribution systems. It features an outside screw and yoke (OS&Y) structure for easy operation and visual position indication. The valve body is constructed from QT500-7 or GGG50 ductile iron, and the wedge is fully wrapped with EPDM rubber for bubble-tight shut-off. Available in sizes DN50-DN800 with pressure ratings PN10/PN16, it is suitable for municipal water supply, water treatment, and irrigation networks across Europe and globally.
Key Selling Points
EN 1074 Compliance: Meets the European standard for water supply valves, ensuring compatibility with EU projects.
EPDM Fully Wrapped Wedge: Provides excellent sealing and corrosion resistance, minimizing leakage and maintenance.
OS&Y Rising Stem Design: Enables clear visual indication of open/closed status and smooth, reliable operation.
Ductile Iron Strength: QT500-7/GGG50 material offers high mechanical strength and durability for long service life.
Versatile Size Range: DN50 to DN800 caters to a wide range of pipeline diameters.
Technical Specifications
Parameter
Value
Design Standard
EN 1074
Structure
OS&Y / Rising Stem
Sealing
Full Wrapped EPDM Rubber
Material
QT500-7 / GGG50 Ductile Iron
Pressure Rating
PN10 / PN16
Size Range
DN50 - DN800
Models and Options
Available in sizes DN50 to DN800, with different pressure ratings and end connections. Options include flanged ends, extended spindles for underground use, and various actuator types (manual, electric, pneumatic) as per project requirements.
Materials and Structure
Body: Ductile Iron QT500-7 / GGG50
Wedge: Ductile Iron with fully wrapped EPDM
Stem: Not specified (please inquire)
Seat: EPDM
Applications
Primarily used in water supply and distribution networks, water treatment plants, and fire protection systems. Suitable for European as well as global water infrastructure projects.
Customization
Custom sizes, pressure ratings, and special coatings (e.g., fusion bonded epoxy) can be provided. Extended stems for buried service and electric/pneumatic actuation options are available on request.
Case Study
Philippines Government Project: 200 units were supplied for an urban water supply network. The valves were delivered with fast lead time and on-site installation guidance, resulting in zero leakage and high customer satisfaction over 3 years.
FAQ
1. Does this valve meet EN 1074 requirements?
Yes, it is designed to EN 1074 standard.
2. What is the maximum size available?
We offer sizes up to DN800.
3. Is the wedge fully coated with EPDM?
Yes, the wedge is fully wrapped with EPDM rubber for optimal sealing.
4. Can I get an extended spindle for underground installation?
Yes, extended spindles are available as an option.
5. What is the lead time?
Lead time varies; please contact us for current schedules.
6. Do you offer WRAS approval?
WRAS approval is not mentioned in the provided data; please contact us for certification details.
7. What is the minimum order quantity?
MOQ is not specified; please contact sales.
8. Can the valve be operated by electric actuator?
Yes, it can be fitted with electric or pneumatic actuators as per project requirements.
Inquiry Information
Contact Anna at contact@weizidom.com or +86 17319732766 for quotes and technical documentation.
