Description
Elbow Female 32×3/4″ Brass
DADEX PPRc pipes and fittings local ,, Food Grade, Plumbing Materials, Dealer Suppliers in Islamabad Pakistan Contact 0322-3540656
What is Elbow Female 32×3/4″ Brass DADEX PPRc ?
An Elbow Female 32 mm × 3/4″ Brass DADEX PPRc PN25 is a pipe fitting that:
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Connects a 32 mm PPRc pipe (Polypropylene Random Copolymer) from one direction,
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To a 3/4″ threaded metal component (e.g., valve, tap, pump inlet),
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At a 90° angle (right angle elbow),
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And features a brass female threaded insert for the metal connection.
This type of fitting combines plastic and metal to allow a smooth transition between plastic piping and standard metal plumbing fixtures.
📐 Description & Specifications Elbow Female 32×3/4″ Brass DADEX PPRc
| Attribute | Details |
|---|---|
| Name | Elbow Female 32×3/4″ Brass DADEX PPRc PN25 |
| Material (Body) | PPRc – Polypropylene Random Copolymer (food-grade, corrosion resistant) |
| Threaded Insert Material | Brass (durable, corrosion-resistant) |
| Pipe Side Connection | 32 mm PPRc socket (for heat-fusion welding to PPR pipe) |
| Threaded Side | 3/4″ internal (female) BSP (British Standard Pipe) thread (for male-thread plumbing elements) |
| Angle | 90° elbow |
| Pressure Rating | PN25 – Rated up to ~25 bar (high pressure) |
| Temperature | Usually –20 °C to +95 °C (suitable for hot/cold water) |
| Standards | Typically DIN8077/8078, ISO15874 standards for PPR fittings |
| Color | Commonly green grey (brand DADEX or similar) |
| Suitable Systems | Hot & cold potable water, HVAC chilled & heating lines, plumbing fixtures |
🛠️ Where & Why It’s Used
This fitting is commonly used in plumbing and heating systems where a plastic PPR pipe network needs to transition to metal components that have standard threaded connections:
🚰 Hot & Cold Water Systems
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Connects plastic PPR lines to valves, faucets, taps, or appliances with a 3/4″ male thread.
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Suitable for residential, commercial, and industrial hot and cold water distribution.
❄️ HVAC (Heating, Ventilation & Cooling)
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Joins PPR loops in heating or chilled water circuits to heat pumps, manifolds, glycol pumps, etc.
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Works where corrosion resistance and long-term durability are needed, especially in water loop systems.
📦 Connection to Metal Devices
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Brass female thread makes it easy to connect metal valves, gauges, flow meters, filters, etc.
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Brass threads resist corrosion and wear much better than plastic threads.
🔩 Installation Overview
The installation involves two different connection methods:
1. PPR Side (32 mm) – Heat Fusion
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A PPR welding tool with 32 mm socket & pipe dies is used.
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Heat both the pipe and the fitting socket to proper fusion temperature.
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Insert the pipe into the fitting straight and without rotation until it seats fully.
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Hold until the joint cools — this forms a permanent, leak-proof joint.
👉 This is the standard method for PPR systems and results in a joint where the plastic melts into one.
2. Brass Threaded Side (3/4″)
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Clean the male threaded counterpart (e.g., valve or tap).
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Wrap the male thread with PTFE tape or apply thread sealant to ensure leak-proof joining.
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Carefully hand-tighten and then wrench-fit — avoid over-tightening to protect the brass thread.
📍 Tips for Correct Usage
Ensure Compatibility
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Confirm pipe OD 32 mm PPRc matches the fitting.
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The threaded side fits 3/4″ BSP male threads (standard plumbing size).
Use Correct Tools
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Use a dedicated PPR fusion welding kit for reliable joints.
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Thread seal tape (PTFE) prevents leaks with threaded connections.
Positioning & Orientation
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Plan the orientation before welding — PPR joints are permanent.
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The elbow should align the threaded outlet toward the fixture location.
Pressure & Temperature Limits
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Although PN25 rating supports high pressure, pressure capacity reduces at higher temperatures — typical for hot water systems.
🔎 Advantages
Strong and Durable: PPRc body resists corrosion and chemicals; brass thread provides secure metal connection.
High Pressure: PN25 rating is good for most plumbing and HVAC needs.
Hygienic: Suitable for potable water systems.
Easy Transition: Easy way to connect plastic piping to metal valves or instruments.





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