Pneumatic connection technology

Push-in fittings for pipes PQ

Festo PQ push-in fittings for pipes are designed for rigid plastic and metal pipes with outside diameters of 12, 15, 18 and 22 mm. Unlike tube fittings, the CQ system's gripping teeth engage positively with the pipe wall, providing a pressure-tight, vibration-resistant connection without threaded sleeves. The range includes straight fittings (CQ), T-connectors (CQT), reducers, fluid separators (CQA), blanking plugs (CQC), manifolds (CQD), push-in sleeves (CQH), release tools (CQO) and locking rings (CQSR).

  • 20 items
  • 1 manufacturer
  • Net prices plus VAT
View as Grid view List view

20 Items

Set Descending Direction
per page
  1. Push-In Connector CQ-18H-15 - Festo 177702
    €8.65

Buying guide

How to choose Push-in fittings for pipes PQ

What matters when choosing: properties, comparison and typical applications.

Technical features

⚙ Rigid pipe OD 12, 15, 18, 22 mm - positive grip without deforming the pipe
✓ Thread connections 1/2" and 3/8" BSP - CQ-1/2-12H, CQ-3/8-12H, CQ-3/8-15H for threaded ports
⬡ Fluid separator CQA - for OD 22 and 28 mm, separates media at junction points
🛡 Blanking plug CQC - pressure-tight port seal for 12, 15, 18, 22 mm pipe openings
✦ Release tool CQO and locking ring CQSR - accessories for controlled pipe removal and position locking

CQ series type overview

TypeFunctionPipe ODConnection
CQ-1/2-12H, -18HStraight fitting12, 18 mm1/2" BSP
CQ-3/8-12H, -15HStraight fitting12, 15 mm3/8" BSP
CQ-18H-15, CQ-22H-15, CQ-22H-18Pipe-to-pipe reducer15/18, 15/22, 18/22 mmThreadless
CQT-18T-connector18 mmThreadless
CQA-22, CQA-28Fluid separator22, 28 mmThreadless
CQC-12H to CQC-22HBlanking plug12, 15, 18, 22 mmThreadless
CQD-12/15/18/22Manifold12-22 mmThreadless
CQH-15, -18, -22Push-in sleeveQS 12, 16, 16 mmPipe connection

Typical applications

Typical applications: Compressed air distribution networks with rigid pipework in production halls, vacuum systems with PA or metal pipes, pneumatic ring mains with branch points, and connections between rigid pipe and flexible tubing via push-in sleeves (CQH).