Gas-blocking closures MVB-RWD

The MVB gas-blocking closures are designed to block the air in the cable line, preventing its exit through the cable termination. They are installed on symmetrical high-frequency cables laid in the road bed of railways or cable structures.

The closure set includes:

  1. Polyethylene body;
  2. Shield connectors;
  3. Shield wire;
  4. Shield bus;
  5. Mastic tape;
  6. Spring rings;
  7. P3F sleeve;
  8. PVC tape;
  9. ArmorCast reinforcing tape;
  10. Compound.

Technical performance

The closures consist of a white polyethylene body consisting of a cylinder with conical parts, compound and a set of additional materials.

Design features

  • The body of the closure and the used sealing materials are resistant to aggressive media, possible all-weather conditions and ultraviolet, which makes the closure reliable and durable;
  • The closure is not subject to destruction by stray currents of alternating current electric traction;
  • The closure provides galvanic contact of the sheath with the cable armor;
  • For sealing the closure, no fire is required;
  • Positive air pressure is supplied to the cable 24 hours after the installation of the closure.

Ordering table

Cable capacity, quads
Closure МВБ-40/4-7-КГ 4х4