Description
Male Socket 20×1/2″
Brass male Adaptor (threaded) pn 25 for HVAC and hot and cold water supply Male Socket 20×1/2″ supplier contact 0322-3540656
What is Male Socket 20×1/2″ DADEX PPRc ?
The Male Socket 20×1/2″ DADEX PPRc PN 25 serves as a male threaded adapter fitting in the Dadex Polydex system, connecting 20mm PPRc pipes to 1/2-inch female threaded components for HVAC and water systems.
Description
This fitting features a polypropylene random copolymer (PPRc) socket on one end for fusion welding to 20mm pipes and a 1/2″ male NPT/BSP thread on the other, typically in green color for hot water identification. It facilitates transitions between plastic PPRc lines and metal or threaded fixtures in plumbing setups.
Specifications
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Size: 20mm (PPRc socket) x 1/2″ (male thread)
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Pressure Rating: PN 25 (up to 25 bar at 20°C, derates at higher temperatures)
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Standards: Fittings per DIN 16962 (“EK” marked for compatibility); pipes per DIN 8077/8078
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Material: Type 3 PPRc, resistant to corrosion, abrasion, low thermal conductivity, frost-tolerant
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Temperature Range: 0–95°C, ideal for 20–70°C hot water applications
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Other Sizes: Includes 20×3/4″, 25×1/2″, up to larger variants
Applications
Suitable for HVAC hot/chilled water circuits, potable hot/cold water distribution, compressed air lines, rainwater systems, and pools in residential, commercial, or industrial buildings. It ensures hygienic, scale-free, energy-efficient fluid transport.
Installation and Usage
Socket fusion weld the PPRc pipe end: heat both pipe and socket to 260°C for 8–12 seconds (for 20mm), push together firmly, hold 10 seconds, and cool for 30 minutes before testing. Screw the male thread into female fittings using PTFE tape; torque gently to avoid damage. Use with PN25-rated Polydex pipes, derate pressure above 20°C per Dadex charts.
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