# PG Straight Reducer Pneumatic Fitting Air Tube Connector Date: 2026-07-11 Categories: Pneumatic Fittings URL: https://homipneu.com/pg-pneumatic-straight-reducer.html ## Product Summary PG pneumatic fittings are **straight reducer push-to-connect connectors** designed for connecting two pneumatic tubes of different diameters in compressed air systems. With a reducer structure, PG fittings allow smooth transition between different tube sizes, helping optimize airflow and adapt to mixed tubing systems in automation equipment and industrial pipelines. The push-to-connect design enables fast installation without tools, ensuring secure connection and leak-free performance. **OEM and ODM customization services are available** for tube sizes, material, sealing structure, and branding requirements. ### Specification Parameters **Operating Fluid** Air **Type** Pneumatic Fittings **Proof Pressure** 1.32 MPa (13.5 kgf/cm²) **Max. Operating Pressure** 0~0.9 MPa (0~9.2 kgf/cm²) **Ambient & Fluid Temperature** 0~60°C **Applicable Tubing** PU Tube, Nylon Tube ![PG pneumatic straight reducer push to connect air tube connector](https://homipneu.com/wp-content/uploads/2026/04/20260429120130645915-800x400.webp) **Model** **ØD1** **ØD2** **B** **ØP ×2** PG6-4 6 4 35 13 PG8-6 8 6 37.5 15 PG8-4 8 4 37 15 PG10-8 10 8 44 18.5 PG10-6 10 6 43.5 18.5 PG12-10 12 10 47.5 21 PG12-8 12 8 46.5 21 PG12-6 12 6 46 21 PG14-12 14 12 48 23 PG14-10 14 10 48 23 PG16-14 16 14 52.5 25.5 PG16-12 16 12 52 25.5 ### Color options available: [![PG pneumatic straight reducer push to connect air tube connector](https://homipneu.com/wp-content/uploads/2026/04/20260429120143277276.webp)](https://homipneu.com/wp-content/uploads/2026/04/20260429120143277276.webp) [![PG pneumatic straight reducer push to connect air tube connector](https://homipneu.com/wp-content/uploads/2026/05/20260502060513126937.webp)](https://homipneu.com/wp-content/uploads/2026/05/20260502060513126937.webp) [![PG pneumatic straight reducer push to connect air tube connector](https://homipneu.com/wp-content/uploads/2026/05/20260502060512302651.webp)](https://homipneu.com/wp-content/uploads/2026/05/20260502060512302651.webp) ![PG pneumatic straight reducer push to connect air tube connector](https://homipneu.com/wp-content/uploads/2026/04/20260429120143277276.webp) ![PG pneumatic straight reducer push to connect air tube connector](https://homipneu.com/wp-content/uploads/2026/05/20260502060513126937.webp) ![PG pneumatic straight reducer push to connect air tube connector](https://homipneu.com/wp-content/uploads/2026/05/20260502060512302651.webp) ### Key Features - Straight reducer (different diameter connection) - Push-to-connect quick installation - Smooth airflow transition between tube sizes - Leak-proof sealing with O-ring - Suitable for PU and nylon tubing ### Applications - Pneumatic automation systems - Air compressor pipelines - Industrial machinery - Tube size conversion systems - Maintenance and retrofit pipelines Widely used in pneumatic systems requiring **tube size conversion, flexible pipeline design, and stable airflow transition**. ### Product Function PG fittings are designed to **connect two tubes of different diameters inline**, enabling smooth transition between different pipe sizes in pneumatic circuits. ### Product Structure & Size Range - PG6-4 / PG8-4 / PG8-6 / PG10-6 / PG10-8 / PG12-8 / PG12-10 - Tube sizes: 4mm → 16mm - Different diameter connection (A ≠ B) - Inline straight structure ### Why Choose Our Pneumatic Fittings - Professional **PG pneumatic fitting manufacturer** with full reducer size range - OEM / ODM customization for **straight reducer push to connect fitting projects** - Reliable **pneumatic tube adapter for automation and compressed air systems** - High-quality **air fitting factory China with strict QC system** - Durable **push-in reducer fitting for stable airflow transition** - Fast delivery and global B2B supply support ### FAQ **Q1: What is a PG pneumatic fitting?**It is a straight reducer push-to-connect fitting used to connect two tubes of different sizes. **Q2: What is a pneumatic reducer used for?**It is used to adapt different tube diameters within a pneumatic system. **Q3: How does a push-to-connect reducer fitting work?**The tube is inserted into each end and sealed by an O-ring with internal locking. **Q4: What tubing is compatible with PG fittings?**They are compatible with PU, nylon, and PE tubing. **Q5: Can PG fittings be customized?**Yes, OEM/ODM customization is available for size combinations, material, and design. ### CTA Looking for reliable pneumatic reducer fittings for your system?Contact us now for **OEM/ODM solutions, bulk pricing, and fast delivery**.