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Push-in fittings

A push-in fitting holds your air line without a clamp, tape or tools. You push the tube in until it stops. A steel gripper ring bites the outside and a lip seal closes around it. To release, press the ring and pull the tube straight back out.They come in two flavours. Nickel-plated brass takes 20 bar and 80 degrees. Plastic is lighter and cheaper, but stops at 10 bar and 60 degrees. For a workshop ring main, brass is the choice you never revisit.

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69 products
Assembly drift for press-in cartridge, Aignep
Plugs and fitting accessories

Assembly drift for press-in cartridge, Aignep

from €404.82

6 variants

1-3
Release tool for push-in fittings 14 to 4 mm
Plugs and fitting accessories

Release tool for push-in fittings 14 to 4 mm

€2.85
1-3
Straight push-in union, CDC
Straight fittings

Straight push-in union, CDC

from €1.91

6 variants

1-3
Straight push-in union, Aignep
Straight fittings

Straight push-in union, Aignep

from €4.43

7 variants

1-3
Straight female adaptor female thread, Aignep
Straight fittings

Straight female adaptor female thread, Aignep

from €3.38

14 variants

1-3
Straight female adaptor BSPP female thread, CDC
Straight fittings

Straight female adaptor BSPP female thread, CDC

from €2.13

14 variants

1-3
Straight male adaptor BSPP male thread, Aignep
Straight fittings

Straight male adaptor BSPP male thread, Aignep

from €2.74

21 variants

1-3
Straight male adaptor BSPP male thread, CDC
Straight fittings

Straight male adaptor BSPP male thread, CDC

from €1.27

20 variants

1-3
Straight male adaptor BSPT male thread, Aignep
Straight fittings

Straight male adaptor BSPT male thread, Aignep

from €2.37

18 variants

1-3
Straight male adaptor BSPT male thread, CDC
Straight fittings

Straight male adaptor BSPT male thread, CDC

from €1.22

18 variants

1-3
Straight male adaptor BSPT male thread, compact with hex socket, Aignep
Straight fittings

Straight male adaptor BSPT male thread, compact with hex socket, Aignep

from €2.28

8 variants

1-3
Straight push-in check valve fitting BSPP male thread, CDC
Valve fittings

Straight push-in check valve fitting BSPP male thread, CDC

from €8.39

10 variants

1-3
Straight reducing union, Aignep
Straight fittings

Straight reducing union, Aignep

from €4.54

4 variants

1-3
Straight reducing union, CDC
Straight fittings

Straight reducing union, CDC

from €2.01

5 variants

1-3
Straight self-sealing stop fitting BSPP male thread, CDC
Valve fittings

Straight self-sealing stop fitting BSPP male thread, CDC

from €7.75

10 variants

1-3
Straight plug-in male adaptor BSPP male thread, Aignep
Plug-in fittings

Straight plug-in male adaptor BSPP male thread, Aignep

from €1.32

14 variants

1-3
Straight plug-in reducer, Aignep
Plug-in fittings

Straight plug-in reducer, Aignep

from €2.74

9 variants

1-3
Straight plug-in reducer, CDC
Plug-in fittings

Straight plug-in reducer, CDC

from €1.22

7 variants

1-3
Bulkhead union female thread, with nut, CDC
Bulkhead fittings

Bulkhead union female thread, with nut, CDC

from €4.14

11 variants

1-3
Bulkhead union with nut, CDC
Bulkhead fittings

Bulkhead union with nut, CDC

from €3.45

5 variants

1-3
Bulkhead union with nut, Aignep
Bulkhead fittings

Bulkhead union with nut, Aignep

from €6.81

7 variants

1-3
Bulkhead union, plastic with nut, CDC
Bulkhead fittings

Bulkhead union, plastic with nut, CDC

from €3.18

5 variants

1-3
Straight check valve BSPP male x female, CDC
Valve fittings

Straight check valve BSPP male x female, CDC

from €10.14

4 variants

1-3
Tee push-in union, CDC
Tee fittings

Tee push-in union, CDC

from €3.03

6 variants

1-3

Frequently asked questions about Push-in fittings

Answers to the most common questions from our customers

The size on the fitting is the outside diameter of the tube, not the bore. A 6 mm fitting takes a tube measuring 6 mm on the outside. Check the tube itself: it usually reads 6x4, and 6 is the number you need.
BSPT is tapered. That thread seals itself in the port. BSPP is parallel and seals on an O-ring or washer against the face around the port. They screw together mechanically, but a BSPP thread in a tapered port will leak.
Yes. Press the release ring and pull the tube straight out. Trim the last centimetre off the tube before you push it back in, because the gripper ring leaves scratches where the seal has to run.
Nearly always because the tube was cut at an angle or is not pushed in far enough. Cut it square with a tube cutter, not with pliers, and push until you feel the stop. A damaged or oval tube will never seal.
Swivel means the top rotates freely once the thread is tight. That lets you aim the tube exactly where you want it. On a fixed fitting the thread decides the angle, so you are stuck with wherever it happens to end up.