Flexible Twistable Waveguide
Description
Product Overview
Penn Engineering’s Flexible Twistable Waveguide is engineered for RF and microwave transmission systems that require routing through tight spaces, angular offsets, or installations where mechanical vibration isolation is critical. The twistable design allows the waveguide to absorb rotational displacement between two fixed flanged connection points without compromising signal integrity, making it ideal for radar, satellite, defense, and telecommunications applications.
Available in a wide range of EIA standard waveguide sizes, two alloy materials, multiple flange configurations, and a choice of protective jacket finishes, this product is fully configurable to meet the demands of your specific system architecture.
Key Features
- Designed for flexible and twistable RF/microwave signal routing
- Absorbs vibration and rotational misalignment between connection points
- Available in 14 standard EIA waveguide sizes (WR-28 through WR-284)
- Choice of Aluminum or Brass alloy construction
- Five compatible flange types for each end connection
- Custom lengths up to two decimal places of precision
- Six jacket finish options to suit environmental and installation requirements
- Compatible with existing Penn Engineering straight section and bend configurations
| Attribute | Options |
| Waveguide Sizes | WR-28, WR-34, WR-42, WR-51, WR-62, WR-75, WR-90, WR-102, WR-112, WR-137, WR-159, WR-187, WR-229, WR-284 |
| Alloy | Aluminum (A), Brass (B) |
| Flange Type — End 1 | Cover (1), Choke (2), CMR (3), CPRG (4), CPRF (5) |
| Flange Type — End 2 | Cover (1), Choke (2), CMR (3), CPRG (4), CPRF (5) |
| Length | Custom — unlimited, specified to two decimal places (inches) |
| Jacket Type | Silicone Molded (E), Black Paint (K), Neoprene Molded (N), Brush-On Silicone (S), No Jacket (U), Brush-On Vinyl (V) |
Part Number Structure
Part numbers are automatically generated based on your configuration selections. The structure follows the format below:
| Segment | Meaning |
| 47 | Base part number — Flexible Twistable Waveguide |
| Size Code | Two-digit waveguide size code (e.g., 42 = WR-90, 56 = WR-284) |
| – | Separator |
| Flange 1 Code | Single digit for End 1 flange type (1–5) |
| Flange 2 Code | Single digit for End 2 flange type (1–5) |
| Alloy Code | A = Aluminum, B = Brass |
| Length Code | Length in inches (up to 2 decimal places) |
| Jacket Code | E, K, N, S, U, or V |
Additional information
| Waveguide Size | 284, 229, 187, 159, 137, 112, 102, 90, 75, 62, 51, 42, 34, 28 |
|---|---|
| Flange Type 1 | Cover, Choke, CMR, CPRG, CPRF |
| Flange Type 2 | Cover, Choke, CMR, CPRG, CPRF |
| Alloy | Aluminum, Brass |
| Jacket Type | Silicone(Molded), Black Paint, Neoprene(molded), Brush-On Silicone, No Jacket, Brush-on Vinyl |