Air Bulkhead
- Easy assembly, simple to use
- Brass fitting options also available upon request
- Vast collection of fittings to suit all tube sizes
- Adjustable bleed connectors available upon request
Herga Airswitch Accessories
Complete Pneumatic Connectivity for Every Application
The Herga Airswitch Accessories range provides the essential components that complete any pneumatic switching system. Designed for Herga airswitches, bellows, hand controls, and foot pedals, this extensive accessory family includes tubes, connectors, reducers, and bulkhead fittings — all engineered for durability, compatibility, and easy integration.
Whether for medical, industrial, spa, or assistive technology systems, these accessories ensure reliable, leak-free, and precise pneumatic operation.
Key Advantages
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Complete range of pneumatic fittings, tubes, reducers, and connectors
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Available in multiple materials – brass, nylon, silicone, and polyurethane
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Compatible with all Herga airswitches and hand control models
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Easy assembly and secure sealing for maintenance-free performance
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Wide range of diameters – supports 2 mm and 4 mm spouts
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Adjustable bleed connectors and filters available for air damping and fine flow control
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Operating temperature: −10°C to +40°C
🔹 Tubing Options
| Type | Part No. | Material | Bore Ø (mm) | Outer Ø (mm) | For Spout Ø | Description |
|---|---|---|---|---|---|---|
| Single Tube | 2311-38 | Clear PU | 3.0 | 6.0 | 4.0 | Transparent tube for all pneumatic or vacuum switches |
| 2311-39 | Black PU | 3.0 | 6.0 | 4.0 | Black version for low-pressure airswitch systems | |
| 2311-03 | Black PU | 1.5 | 3.2 | 2.1–2.5 | Microbore tubing for compact air circuits | |
| Twin Tube | 2311-09 | Black PU | — | 2 × 6.0 | 4.0 | Dual air channels for twin-switch systems |
| 2311-15 | Grey PU | 1.5 | — | 4.0 | Flat twin tube for hand controls and foot bellows | |
| 2311-14 | Grey PU | 1.5 | — | 4.0 | Coiled twin tube (2.4 m stretched) for flexible installations |
🔹 Bulkhead Connectors
| Model | Panel Thickness | Cut-out Ø | Spout IN/OUT | Material | Mounting | Description |
|---|---|---|---|---|---|---|
| 6418-00 | 1–7 mm | 11 mm | 4 mm / 4 mm | Black nylon | Spire fix | Compact low-cost connector for 3 mm I/D tubes |
| 6419-00 | 1–5 mm | 10 mm | 4 mm in / 5 mm out | Black nylon | Flange nut | Locking collar version for higher retention |
| 6419-0010 | 0.5–4 mm | 13 mm | Twin 2.1 mm brass spouts | Nylon & PU | Flange mount | Connector for twin 1.5 mm I/D tubes |
🔹 Internal Bellows
| Model | Material | Spout Ø | Description |
|---|---|---|---|
| 6444-03 | TPU | 4 mm | Internal flexible bellows for compact assemblies |
| 6444-04 | TPU | 4 mm | Similar to 6444-03 with alternative mounting geometry |
| 6435-01 | Silicone | 2 mm | Sensitive and soft-touch bellows for delicate actuation |
🔹 Connectors & Reducers
| Model | Material | Ø (mm) | For Tube I/D | Description |
|---|---|---|---|---|
| 6420-00 / 6421-00 | Translucent nylon | 5 mm | 3 mm | Standard in-line connectors for general pneumatic systems |
| 3612-04 / 3420-20 | Brass | 2.0–2.1 mm | 1.5 mm | High-durability brass connectors for reliable sealing |
| 3420-28 | Brass | 4 → 2 mm | 3 → 1.5 mm | Reducing connector for mixed-diameter tubing |
| 3321-07 | Soft black PVC | 4 → 4 mm | 3 mm | Flexible in-line reducer for PVC tube transitions |
| 6422-00 / 6422-0001 | Translucent nylon | 5 mm | 3 mm | Y-connectors for splitting air circuits; version 0001 includes porous bleed filter for air damping (0.1–0.4 L/min @ 8.5 PSI) |
Typical Applications
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Medical and rehabilitation equipment – connecting foot and hand controls to airswitches
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Spa, hydrotherapy, and wellness systems – reliable waterproof tubing and connectors
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Industrial automation – pneumatic signal routing and system integration
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Assistive technology – air-operated control interfaces for limited-mobility users
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OEM manufacturing – full pneumatic sub-system assembly with Herga switches
Why Choose Herga Accessories
The Herga Airswitch Accessories range provides everything needed to build a complete pneumatic system — from air lines to connectors and reducers.
Each part is engineered for compatibility, long-term reliability, and easy installation, enabling integrators and manufacturers to design robust and precise pneumatic control solutions.