PPR Female adaptor hexagonal
The brass hexagon in front of the female thread lets the installer hold the fitting with a spanner, so the tightening torque is taken by the brass and not by the bond between metal and PP-R. On these large diameters, the fitting is always held on the hexagon, never on the plastic body.
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Description and application
The THERMALINO PPR female socket is a PP-R adaptor that is fusion-welded onto a PP-R pipe on one side and takes a male-threaded pipe, valve or appliance connection on the other through a CW617N brass BSP parallel female thread. It is rated PN25, conforms to EN ISO 15874-3 and comes in sizes from Ø40×1 1/4" to Ø90×3", with a brass hexagon for spanner tightening.
The PPR female socket, listed as the PPR female adaptor hexagonal in the Eternal line, is a transition fitting between a PP-R pipeline and threaded metal components. One end is a socket that is fusion-welded onto the PP-R pipe; the other is a brass female thread that accepts a male-threaded pipe, valve, pump or appliance connection. It is available in five sizes from Ø40×1 1/4" to Ø90×3", in white. The body is moulded from polypropylene random copolymer (PP-R, type 3) and is designed for socket fusion with THERMALINO PP-R pipes, giving a homogeneous welded joint. The threaded insert is CW617N brass with a lead content below 2.2%, with a BSP parallel (G) thread. The fitting is rated PN25 and conforms to EN ISO 15874-3, with an operating temperature of 70 °C and a maximum temperature of 95 °C. Permissible pressures at each temperature are given in the technical data sheet. This adaptor is used in hot and cold water supply and heating installations wherever a PP-R line meets metal: at valves, meters, pumps, water heaters and manifolds, or where an existing galvanised steel line is extended in plastic. In front of the thread, a brass hexagon lets the installer hold the fitting with a spanner and apply high tightening torque to the metal without loading the bond between brass and plastic, which matters most on the larger diameters. The PP-R end is joined with a socket fusion welding tool, using the heating and joining times for the pipe diameter. The threaded joint is sealed with a sealant suited to the medium and temperature, and the finished installation is pressure-tested before it is put into service.
- Hot and cold drinking water installations in residential and commercial buildings
- Hotels, hospitals, schools and office buildings
- Central heating and radiator circuits, within the fitting's pressure and temperature limits
- Connections to valves, meters, pumps, water heaters and manifolds with male threads
- Transitions from existing galvanised steel or other threaded metal pipework to PP-R
- Chilled water and industrial cooling water lines
- Compressed air lines, subject to the pressure and temperature limits in the technical data sheet
- Irrigation, agricultural and process lines, subject to the chemical resistance of PP-R and brass given in the technical data sheet
Technical summary
- SKU
- THL-E-PPR-0026
- Origin
- Made in Türkiye
- HS code
- 3917.40
- Size range
- Ø40 – Ø90
- Material
- PP-R
- Nominal pressure
- PN25
- Operating temperature
- 70 °C
- Max. temperature
- 95 °C
- Connection
- Socket fusion × Female thread
- Thread type
- BSP parallel (G)
- Insert material
- Brass (CW617N)
- Standard
- EN ISO 15874-3
Questions
- Which fitting should I use to join an existing galvanised steel pipe with a male thread to a new PP-R plastic water line?
- The PPR female adaptor hexagonal is the fitting used to join a male-threaded galvanised steel pipe to a PP-R line: the steel end screws into its brass female thread and the PP-R pipe is fusion-welded into its socket. The thread is BSP parallel (G) in CW617N brass, so the installer checks that the thread on the steel pipe matches before fitting it. The joint is sealed with a thread sealant suited to the medium and held on the brass hexagon while tightening. Because the line is under pressure, the connection is made and pressure-tested by a qualified installer.
- Which PPR female socket size do I need to connect a 63 mm PP-R pipe to a valve with a 2 inch male thread?
- The PPR female socket Ø63×2" is the size for a 63 mm PP-R pipe and a valve with a 2" male thread. The range pairs the PP-R pipe diameter with the thread size as follows: Ø40×1 1/4", Ø50×1 1/2", Ø63×2", Ø75×2 1/2" and Ø90×3". The first figure is the outside diameter of the PP-R pipe in millimetres and the second is the BSP thread size in inches, so the two numbers are not direct conversions of each other.
- Can the PPR female socket be used on a central heating or domestic hot water line in an apartment building?
- The PPR female socket is suitable for central heating and domestic hot water lines, with an operating temperature of 70 °C and a maximum temperature of 95 °C. It is rated PN25 and conforms to EN ISO 15874-3, the standard for PP-R hot and cold water installations. The pressure the fitting may carry falls as temperature and service life rise, so the permissible pressure for the planned conditions is taken from the table in the technical data sheet.
- How is a PPR female adaptor installed on a PP-R pipe, and how should the threaded end be tightened on large diameters?
- The PPR female adaptor is joined to the PP-R pipe by socket fusion, and its threaded end is tightened while the fitting is held with a spanner on the brass hexagon. Socket fusion uses a welding tool that heats the pipe end and the fitting socket together, with heating and joining times set by the pipe diameter. Holding the hexagon keeps the tightening torque on the brass rather than on the bond between brass and PP-R, which is important on the Ø40 to Ø90 sizes. The work is done by a qualified installer and the system is pressure-tested before use.
- What is a PPR female adaptor used for in a home plumbing system, for example at a water heater or main stop valve?
- A PPR female adaptor connects a plastic PP-R water pipe to any part with a male thread, such as a water heater connection, a stop valve, a water meter or an older metal pipe. One side is welded to the PP-R pipe and the other has a brass internal thread that the metal part screws into. This version, with sizes from Ø40×1 1/4" to Ø90×3", is mainly used on larger supply and distribution lines, and it is fitted by a qualified installer.
Range
| Size | White | Variant codes |
|---|---|---|
| Ø40x1.1/4"✓ White | ✓ | |
| Ø50x1.1/2"✓ White | ✓ | |
| Ø63x2"✓ White | ✓ | |
| Ø75x2.1/2"✓ White | ✓ | |
| Ø90x3"✓ White | ✓ |
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This product is listed under PPR Fittings With Brass.
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