The VAG HADE Flap Valve PTK-BS is engineered for efficient non-return flow control, preventing backflow in sewage, stormwater, and industrial discharge pipelines. It is available in various configurations for wall, pipe, and flange mounting and designed for both horizontal and vertical installations. The valve ensures reliable performance even under low backpressure conditions.
DN 100–DN 1800
Up to PN 10
Custom depending on mounting type
Cast iron or ductile iron, optionally with coatings suitable for aggressive media
Wall-mounted, flange-mounted, pipe-mounted
Epoxy or similar corrosion-resistant layers
EPDM or NBR for different media resistances
Horizontal or vertical
Designed as per DIN/EN requirements
• Municipal wastewater treatment plants
• Drainage systems in stormwater and rainwater collection
• Industrial effluent pipelines
• Infrastructure and urban sewage networks
• Flood control systems
• Hydropower and water management systems
• Wastewater
• Stormwater
• Sewage
• Industrial effluents
• Slightly aggressive or contaminated liquids (depending on seal material)
• Full design and customization support through Metaval’s global engineering team
• Local stock and fast lead times supported by Metaval’s supply chain
• Corrosion-resistant coatings suitable for marine and high-moisture environments
• Available with accessories for easy installation and maintenance
• Mounting brackets
• Flange adaptors
• Anti-corrosion protective caps
• Extended hinges and lifting lugs for larger sizes
From forging and casting to machining, assembly, and testing — every step is managed under one roof to ensure consistent quality, faster lead times, and zero compromise.
Get in touch with our team for additional information on product pricing, technical data, project support and more.
