Sockets + Transitions
In this category you will find 54 PVC sockets and transitions, including glue sockets as well as variants with external and internal threads. They are ideal for connecting and transitioning between different pipe diameters and connection types in sanitary and irrigation technology.
Buying Sockets and Adapters — Guide & Tips
In the category Sockets and Adapters you will find 54 items specifically designed for connecting PVC pipes in sanitary and irrigation systems. A socket connects two pipes of the same diameter – usually by gluing or screwing. An adapter, on the other hand, changes the connection system, for example from PVC to a metal thread or to another pipe material. The most common variants are PVC-U glue sockets (for permanent, tight connections), adapters with external thread (for connecting fittings) and Transitions with internal thread (for hose connections or measuring devices).
What should you look out for? The crucial factor is the correct dimension: The outer diameter (DN/OD) is measured in millimeters – common sizes are 20, 25, 32, 40, 50, 63, 75, 90 and 110 mm. Only when the pipe and socket fit exactly together does a pressure-tight connection result. Also check the pressure rating (PN6, PN10, PN16) – for garden irrigation, PN6 is usually sufficient; for household installations, PN10 or PN16 is recommended. Glue sockets require a suitable PVC glue and cleaner; thread transitions should be sealed with Teflon tape or hemp. When it comes to transitions, pay attention to the material of the mating part: brass or stainless steel are compatible with PVC, copper requires additional corrosion protection.
Typical applications are garden irrigation (main lines, drip hoses), house installation (rainwater pipe, wastewater) and the technical area (pressure pipes in agriculture, pond filters). For repairs and confined spaces, flexible fittings, that do not require adhesive – they are listed in the "Popular Sockets + Transitions" section below. Those looking for a clean pipe termination will find suitable end caps in the sibling categories "Caps + Plugs".
Popular Sockets + Transitions
These three products are representative of the flexible fittings that are particularly in demand in the "Sockets + Transitions" category. They are especially suitable for repairs to existing lines, for tight installation situations, and for temporary connections that need to be loosened again later. The end cap serves as a clean termination of a pipe end – for example, in garden irrigation, to temporarily close a line. The flexible coupling and the reducing coupling connect pipes of different diameters without requiring glue or tools. When purchasing, ensure that the rubber seal matches the pipe surface – smooth PVC pipes are ideal; with profiled pipes, the sealing effect may diminish.
Frequently Asked Questions
What is the difference between a socket and a transition?
A socket connects two pipes of the same outer diameter – usually by gluing or screwing – thus extending the pipeline. A Transition changes the connection system, for example from a PVC solvent weld socket to an external thread (metric or imperial) or to another pipe material such as brass or stainless steel. Transitions are used when you want to connect a PVC line to a fitting (e.g., a ball valve) or to a hose. While the socket remains within the PVC system, the transition opens the path to other components.
What sizes are common for sockets and transitions?
The most common outer diameters (DN/OD) for PVC pipes are 20, 25, 32, 40, 50, 63, 75, 90 and 110 mm. Sockets and transitions are offered exactly to these sizes. For threaded transitions, the nominal sizes 1/2", 3/4", 1", 1 1/4", 1 1/2" and 2" (inch) are the most common. Note that the thread can be either cylindrical (e.g., G1) or conical (R1) – for PVC fittings, cylindrical thread is usually used.Reducers help when you want to connect two different pipe diameters.
Can I also use PVC sockets for drinking water?
Not all PVC fittings are approved for drinking water. Pay attention to the marking "PVC-U" (unplasticized rigid PVC) and a DVGW approval or a corresponding national release. Pure irrigation fittings without drinking water approval may contain plasticizers or additives that are harmful to health. If you are installing a line for service water (garden, rainwater harvesting), standard PVC-U fittings are sufficient. For drinking water inside the house, you should only use approved products – if in doubt, ask the manufacturer.
How do I properly install a glue socket?
Installing a glue socket requires clean, grease-free surfaces. Lightly sand both pipe ends, apply PVC cleaner to degrease the bonding surface, and let it flash off briefly. Then evenlyPVC adhesive apply to the pipe end (not too much), push the pipe into the socket and give it a half turn to distribute the adhesive evenly. Hold the connection fixed for 10–15 seconds. The curing time is 30 minutes to 2 hours depending on temperature before the line can be loaded. Clamps, adhesive and cleaner can be found in the sister category of the same name.
Other categories
The matching accessories for sockets and transitions can be found in neighboring categories. The Parent category “PVC Fittings + Connectors” bundles all components for your pipe system – from elbows to tees to valves. Specifically for size changes, the Reducers are an ideal solution when two pipes of different diameters need to be connected. For a clean line termination – for example at the end of an irrigation line – Caps + Plugs are the right choice. And if you want to realize flexible hose connections, use PVC hose nozzles – these connect PVC pipes with garden hoses or other flexible lines.
Before purchasing, consider whether you only need a straight connection (coupling) or a system change (adapter). In many cases, it is worthwhile to take a look at the sibling categories to cover the entire fitting set – this saves later reorders and ensures consistent compatibility.
In short
In the category "Sockets + Transitions" with 54 items, you can choose between sockets for permanent, tight connections and threaded transitions for connecting to fittings or hoses. The decisive factors are the appropriate pipe diameter (DN/OD), the pressure rating, and the material (PVC-U). Flexible fittings make repairs easier without glue. Don't forget the necessary tools such as PVC cleaner, glue, and sealants – they are available in the sibling categories "Clamps + Adhesives + Cleaners." If you need to change the dimension, you will find the right solution among the reducers. Caps and plugs ensure a clean pipe termination.