The DIN F4 flange resilient gate valve is designed for reliable shut-off in water supply, drainage, and irrigation systems. With a ductile iron body (GGG50/QT500-7) and fully encapsulated EPDM wedge, it ensures zero leakage and long service life. Available in sizes DN40-DN1200 and pressure ratings PN10/PN16.
Ductile iron body (GGG50/QT500-7) - Offers high strength and corrosion resistance, ideal for underground installation.
NRS (Non-Rising Stem) structure - Suitable for limited vertical space installations.
DIN 3352 F4 design standard - Compliant with European standards, ensuring interchangeability.
Wide size range DN40-DN1200 - Covers various pipeline requirements, from municipal to industrial.
Technical Specifications
Design Standard
DIN 3352 F4
Size Range
DN40 - DN1200
Pressure Rating
PN10 / PN16
Structure
NRS (Non-Rising Stem)
Sealing
EPDM / NBR
Body Material
Ductile Iron (GGG50 / QT500-7)
Models and Options
This valve is available in various sizes and pressure ratings. Optional extended spindles for underground operation and electric/pneumatic actuators for remote control.
Materials and Structure
The valve body and bonnet are made of ductile iron with fusion bonded epoxy coating (FBE) ≥250μm for corrosion protection. The wedge is fully encapsulated in EPDM for tight sealing. The NRS design reduces height.
Applications
Water Supply and Drainage
Agricultural Irrigation
Wastewater Treatment
Case Study
A water utility company in Colombia used 30 units of this valve for city potable water supply. The extended stem design facilitated ground-level operation for deeply buried pipelines, resulting in low maintenance costs.
FAQ
What is the temperature range of this valve?
The valve is suitable for temperatures from -10°C to +70°C, depending on the sealing material.
Can the valve be used for potable water?
Yes, the EPDM sealing is suitable for potable water applications.
What is the lead time for large diameter valves?
Typical lead time is 30-45 days after deposit, subject to order quantity.
Do you provide custom coatings?
Yes, we offer FBE coating ≥250μm as standard, other coatings on request.
Are electric actuators available?
Yes, we can supply valves with electric or pneumatic actuators.
What is the minimum order quantity?
MOQ is generally 10 units, but smaller quantities are possible for samples.
Inquiry Information
Contact Anna for pricing and availability: +86 17319732766 or contact@weizidom.com
