Description
Female Socket 32×3/4″
Brass Female Adaptor (threaded) RAKtherm PPRc Food graded third generation . from 25mm to 110mm diameter. Distributor contact 0322-3540656
What is Female Socket 32×3/4″ RAKtherm PPRc ?
the RAKtherm PPR-C Female Socket ($32 \times 3/4″$, PN25), designed for high-performance HVAC and hot/cold water supply solutions.
1. Product Overview & Description
Hashim Industry in the UAE manufactures the premium-grade RAKtherm PPR-C Female Socket ($32 × 3/4″$). This fitting seamlessly transitions a $32\text{ mm}$ PPR-C pipeline into a $3/4\text{ inch}$ male threaded metal connection, suitable for brass valves, faucets, pressure gauges, and HVAC equipment threads.
Rated at PN25, this fitting boasts a thicker wall structure designed to withstand high pressures and temperatures, ensuring exceptional reliability for both domestic plumbing and demanding commercial HVAC applications.
2. Technical Specifications Female Socket 32×3/4″ RAKtherm PPRc
| Parameter | Specification Details |
| Brand | RAKtherm (Premium UAE Import) |
| Material | Polypropylene Random Copolymer (PPR-C Type 3) + High-grade Brass Insert |
| Size (PPR-C Connection) | $32\text{ mm}$ (Socket fusion end) |
| Size (Threaded Connection) | $3/4\text{ inch}$ Female BSP / NPT (Metal Insert) |
| Pressure Rating | PN25 (Capable of handling up to $25\text{ bar}$ or approx. $362\text{ PSI}$ at nominal temperatures) |
| Temperature Resistance | Continuous: up to $70^\circ\text{C}$ | Peak/Short-term: up to $$95^\circ\text{C$ |
| Standard Compliance | DIN 8077/8078, EN ISO 15874, BS standards |
| Color | Standard RAKtherm Green (with distinct branding) |
3. Key Applications & Usage
This high-pressure transition fitting is ideal for a variety of demanding fluid-distribution environments:
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HVAC Systems: Frequently used to connect PPR-C main/branch lines to fan coil units (FCUs), chillers, pumps, and heat exchangers requiring a secure $3/4″$ thread.
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Hot & Cold Water Supply: Perfect for main distribution lines in residential and commercial buildings where water temperatures fluctuate.
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High-Pressure Loops: The PN25 rating makes it the go-to choice for risers or areas closest to booster pumps where pressure peaks occur.
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Industrial Piping: Used in compressed air lines or chemical transport where PPR-C’s corrosion resistance is required alongside threaded mechanical equipment.
4. Installation Guidelines
To ensure a lifetime leak-free joint, standard PPR-C socket fusion protocols must be followed.
Preparation & Cutting
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Cut the $32\text{ mm}$ RAKtherm pipe squarely using a sharp pipe cutter.
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Clean both the pipe end and the internal $32\text{ mm}$ socket of the female adapter with a lint-free cloth to remove moisture, dust, or grease.
Heating (Socket Fusion)
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Turn on your PPR welding machine and ensure it has reached the standard welding temperature of $260^\circ\text{C}$ ($500^\circ\text{F}$).
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Push the $32\text{ mm}$ pipe end and the $32\text{ mm}$ plastic side of the female socket simultaneously into the heating welding dies.
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Heating Time: Hold them on the matrix for exactly 8 seconds (standard for $32\text{ mm}$ PN25). Do not twist the pipe or fitting while heating.
Joining & Cooling
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Remove the pipe and fitting from the heating elements and smoothly push the pipe straight into the socket until it reaches the depth line.
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Crucial: Do not rotate/twist the fitting during the insertion. Hold the joint firmly for about 6 seconds to let the plastic fuse.
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Allow it to cool completely for at least 4 minutes before subjecting it to mechanical stress or water pressure tests.
Threaded Connection
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When screwing the $3/4″$ male metal component into the female brass insert, wrap a suitable amount of Teflon (PTFE) tape or thread sealant onto the male thread.
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Tighten firmly using a wrench, but avoid overtightening to prevent cracking the surrounding PPR-C housing or stripping the brass threads.



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