This Ermeto product leaflet lists specifications, pressure ratings, dimensions and ordering information for the DG101‑DG108 and DVGE/DVWE rotary fittings.
About this manual
The Ermeto rotary fittings catalogue provides detailed data for a range of ball‑bearing and plain‑bearing couplings used to connect fixed points to rotating, swinging or moving machine parts. Applications include hydraulic systems where torsion must be avoided and hose radii kept small.
Construction details, material options, pressure and temperature limits, torque values and recommended installation practices are presented. Order‑code suffixes allow selection of thread type (BSPP, metric) and sealing material (NBR, FKM). Port‑tapping dimensions for plain‑bearing versions are also included.
What's inside
- Catalogue Overview
- Ball Bearing Rotary Fittings
- Plain Bearing Rotary Fittings
- Order Code Suffixes
- Pressure and Temperature Ratings
- Construction Materials
- Assembly Instructions
- Port Tapping
Specifications
| Maximum working pressure | 250 bar |
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| Temperature range | -25 °C to +80 °C |
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| Body material | Steel, zinc plated, Cr(VI)-free |
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| Recommended hose length | ≈5 × hose O.D. |
Frequently asked questions
What hose length is recommended for these fittings?
Short, straight hose lines with a free length of about five times the hose outer diameter are recommended.
What are the pressure limits for the ball bearing rotary fittings?
Ball bearing rotary fittings are rated for working pressures up to 250 bar, with higher pressures available on request.