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 |

| Model | ØD1 | ØD2 | B | E | M | H1 | H2 | ØP |
| PLM-4 | 4 | 4 | 36.5 | 18 | M12×1 | 14 | 14 | 11 |
| PLM-6 | 6 | 6 | 40.5 | 20 | M14×1 | 17 | 15 | 13 |
| PLM-8 | 8 | 8 | 43.5 | 22 | M16×1 | 19 | 17 | 15 |
| PLM-10 | 10 | 10 | 48.5 | 26 | M20 × 1 | 24 | 21 | 18.5 |
| PLM-12 | 12 | 12 | 50.5 | 28 | M22× 1 | 27 | 24 | 21 |
Key Features
- 90° elbow + bulkhead combined structure
- Tube routing through panel with direction change
- Push-to-connect quick installation
- Secure panel mounting with locking nut
- Leak-proof sealing with O-ring
Applications
- Pneumatic control panels
- Industrial automation systems
- Air distribution pipelines
- Machinery equipment
- Robotics and assembly lines
Widely used in pneumatic systems requiring panel-through installation, 90-degree tube routing, and compact layout optimization.
Product Function
PLM fittings are designed to route pneumatic tubing through panels while simultaneously changing direction by 90°, reducing the need for additional fittings and simplifying system layout.
👉 Simple comparison:
- PC = straight male fitting
- PM = bulkhead straight union
- PL = elbow fitting
- PLM = bulkhead + elbow (combined function)
👉 Elbow fittings are commonly used to connect pipes at angles (e.g., 90°) in fluid or air systems
Product Structure & Size Range
- PLM4 / PLM6 / PLM8 / PLM10 / PLM12
- Tube sizes: 4mm → 12mm
- Panel mount with locking nut
- 90° elbow connection
Why Choose Our Pneumatic Fittings
- Professional PLM pneumatic fitting manufacturer with full size range
- OEM / ODM customization for bulkhead elbow push to connect fitting projects
- Reliable pneumatic elbow connector for panel-mounted air systems
- High-quality push-in air fitting factory China with strict QC system
- Durable 90° bulkhead pneumatic fitting for compact installations
- Fast delivery and global B2B supply support
FAQ
Q1: What is a PLM pneumatic fitting?
It is a bulkhead elbow push-to-connect fitting used to route tubing through panels at a 90-degree angle.
Q2: What is the advantage of a bulkhead elbow fitting?
It combines panel mounting and direction change, reducing installation complexity.
Q3: What is the difference between PM and PLM fittings?
PM is a straight bulkhead fitting, while PLM is a bulkhead elbow fitting.
Q4: What tubing is compatible with PLM fittings?
They are compatible with PU tube and nylon tube.
Q5: Can PLM fittings be customized?
Yes, OEM/ODM customization is available for size, material, and design.


