TVVKu Explosion-Proof Cable Glands for Cables in Conduit Connection with Sealing Rings

TVVKu explosion-proof cable glands are intended for the entry of cables in conduit connection in the enclosures of explosion-proof electrical equipment installed indoors or outdoors, as well as on offshore platforms and port terminals, in hazardous areas with explosive atmospheres or combustible dust.
Technical Specifications
| Explosion Protection Markings: | |
| Gas Markings: | 1Ex d IIC Gb X, 1Ex e II Gb X, 2Ex nR IIC Gc X |
| Dust Markings: | Ex ta IIIC Da X |
| Ingress Protection: | IP66/67/68 |
| Permissible Ambient Temperature: | -60 to +130ºС |
| Climatic Design: | NF1 by default; other options (MU1, U1, W1) on request |
| Material: | nickel-plated brass, plain brass, aluminium, stainless steel |





| Code | M-Thread Type (Metric, Standard) | G-, K-Thread Type (Pipe, Optional) | Cable Ø, mm | Across Flats Sw | Thread Length L for M-Thread, mm | Thread Length L for G-, K-Threads, mm | Total Length TL for M-Thread |
| TVVKu-16 | M16 | 3/8” | 4-10 | 24 | 15 | 15 | 61 |
| TVVKu-16 M20 | M20 | 1/2” | 4-10 | 24 | 15 | 15 | 61 |
| TVVKu-20 | M20 | 1/2” | 5,5-14 | 32 | 15 | 16 | 62 |
| TVVKu-20 M25 | M25 | 3/4” | 5,5-14 | 32 | 15 | 16 | 62 |
| TVVKu-25 | M25 | 3/4” | 8-18 | 36 | 15 | 16 | 62 |
| TVVKu-32 | M32 | 1” | 13-24 | 45 | 15 | 20,5 | 76 |
| TVVKu-40 | M40 | 1 1/4” | 21-30 | 50 | 15 | 20,5 | 76 |
| TVVKu-50 | M50 | 1 1/2” | 24-36 | 59 | 15 | 20,5 | 76 |
| TVVKu-63 | M63 | 2” | 36-45 | 70 | 15 | 20,5 | 76 |
EXEL Х1 VVK Х2 – Х3 – Х4 – Х5 where
| EXEL | А | VVK | u | N | 20 | M20х1.5 |
| Х1 | Х2 | Х3 | Х4 | Х5 |
Here:
Х1 – entering cable type: non-armoured (default, no marking), "T" – conduit connection;
VVK – product designation: "VVK" – explosion-proof cable glands;
Х2 – design of the gland sealing ring (u – set of O-rings);
Х3 – gland material: nickel-plated brass (default, no marking), N – stainless steel, L – bare brass, S – steel, SO – galvanized steel, A – aluminium. Similar materials may also be used;
Х4 – cable gland size;
Х5 – entry thread (metric thread M is indicated by default);
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