Description
PPRC Reducer Socket 75x50mm
Coupling Reducing PPRC RAKtherm Food graded third generation . Sizes ranging from 25mm to 110mm diameter. Distributor contact 0322-3540656
What is Reducer Socket 75x50mm RAKtherm PPRc ?
The RAKtherm Reducer Socket 75×50mm PN 25 is a PPR-C (Polypropylene Random Copolymer) fitting designed to connect two different pipe sizes in a hot and cold water distribution system. It reduces the pipe diameter from 75 mm to 50 mm while maintaining a strong, leak-proof, and pressure-resistant connection through heat fusion welding. The 75×50 mm size is part of the RAKtherm reducer socket range.
Description Reducer Socket 75x50mm RAKtherm PPRc
A reducer socket is used when a larger pipeline must transition to a smaller pipeline. In this case:
- Inlet side: 75 mm PPR pipe
- Outlet side: 50 mm PPR pipe
- Material: Food-grade PPR-C
- Jointing method: Socket fusion (heat welding)
- Application: Hot water, cold water, HVAC, and industrial piping systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Reducer Socket |
| Brand | RAKtherm |
| Material | PPR-C Type 3 (Polypropylene Random Copolymer) |
| Size | 75 × 50 mm |
| Pressure Rating | PN 25 |
| Connection Type | Socket Fusion |
| Color | Green |
| Temperature Range | Approximately -20°C to +95°C |
| Standards | ISO 15874, DIN 8077/8078, DIN 16962 (typical PPR standards) |
| Corrosion Resistance | Excellent |
| Drinking Water Suitable | Yes (Food Grade) |
| Origin | UAE Imported |
Key Features
- Reduces pipeline size from 75 mm to 50 mm.
- Leak-proof homogeneous fusion joint.
- High pressure resistance up to PN 25 class.
- Corrosion, rust, and scale resistant.
- Smooth internal surface minimizes friction losses.
- Suitable for potable water systems.
- Lightweight and easy to handle.
- Long service life exceeding 50 years under proper operating conditions.
Installation Procedure
1. Pipe Preparation
- Cut both 75 mm and 50 mm pipes squarely.
- Remove burrs and clean pipe ends.
2. Heating
- Heat the fitting and pipe simultaneously using a calibrated PPR fusion welding machine.
- Typical welding temperature: 260–280°C.
3. Fusion
- Insert the heated pipes into the reducer socket without twisting.
- Hold firmly until the joint cools.
4. Cooling
- Allow adequate cooling time before handling or pressurizing the system.
5. Testing
- Perform hydrostatic pressure testing at approximately 1.5 times the operating pressure before commissioning.
HVAC Applications
The 75×50 mm reducer socket is commonly used in:
- Chilled water distribution systems.
- Air Handling Unit (AHU) piping.
- Fan Coil Unit (FCU) branch connections.
- Condenser water systems.
- Heating and cooling circulation networks.
- Commercial and industrial HVAC installations.
Hot & Cold Water Supply Applications
- Residential plumbing systems.
- High-rise buildings.
- Hotels and hospitals.
- Educational institutions.
- Industrial process water lines.
- Potable drinking water distribution networks.
Advantages
- Hygienic and food-grade material.
- Excellent thermal insulation properties.
- No rusting or internal corrosion.
- Reduced maintenance requirements.
- High resistance to chemicals and scaling.
- Lightweight compared with metal fittings.
- Durable performance under high temperature and pressure conditions.
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