PPDA - FOR SOCKET WELDING
Polypropylene Encapsulated Ductile Iron Flange (Socket Welding)
Stu Piping manufactures and supplies the PPDA flange for socket welding applications, combining a ductile iron core with 30% glass fibre reinforced polypropylene encapsulation. Designed for PE, PP, and PVDF stub ends, this corrosion-resistant flange is trusted across water, gas, mining, marine, and aquaculture industries.
Ideal Applications for the PPDA Socket Welding Flange
- Aquaculture / fish farm piping systems
- Water infrastructure and treatment
- Mining piping systems
- Gas piping applications
- Marine piping installations
Benefits:
- I-beam cross section for reliable structural support
- 50% lighter than conventional flange backing rings
- Convoluted design maintains bolt tension, reducing re-torqueing needs
- Available from d20mm up to d1000mm
- Safety factor of 2 for dependable pressure performance
- Compatible with both steel and thermoplastic piping systems
- Lower embodied carbon footprint than heavier conventional flanges
- Compatible with both steel and thermoplastic piping systems
Ongoing engineering improvements may affect published technical data. Download the full submittal below for current specifications.
For further information, please email us with your requirements
Polypropylene encapsulated ductile iron(PP/Steel)
STU-P is the most trusted name in the industry, having helped thousands of customers worldwide reduce costs and increase the performance and safety of their flanging systems
PPDA-Flanges (for socket welding)
Utilisation
PE, PP, PVDF socket welding stub ends
Materials
Glass-reinforced polypropylene (black) over ductile iron insert (GGG 40, DIN 1693)
Connecting
Drilled to EN 1092, DIN 2501 PN 10/16
Dimensions
DA 20 – 630: PN10/16; > 630 PN10
Info
Connecting dimensions (PN) and maximum operating pressure (bar) are not directly linked. Stu Piping recommends the use of washers below the screw head and nut.
Ongoing engineering design efforts may affect the technical information listed in our publications. Please click “Download Submittal” below to view product information and dimensions.
For further information, please email us with your requirements
Download our
latest brochure