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VVKgm Explosion-Proof Cable Glands for Non-Armoured Heating Cables

VVKgm explosion-proof cable glands are intended for the entry of non-armoured heating cables into the enclosures of explosion-proof electrical devices 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:1ExdIICGb X, 1ExeIIGb X, 2ExnRIICGc X
Dust Markings:ExtaIIICDa X
Ingress Protection:IP 66/67/68
Permissible Ambient Temperature:-60….+130 С
-80….+250 С (special design)
Gland MaterialNickel-plated brass (by default)/
Stainless steel (-N)
Aluminium (-А)
Sealing Ring MaterialSilicone
Sealing TypeCompression dynamic seal

Order

Code

Thread Type M (Standard)

Thread Type G, K (Optional)

Cable Ø, mm

Across Flats Sw

Total Length TL

Thread Length L, mm for M (G, K) Types

VVKgm-20

M20

1/2”

9х5-12х8

27

36

15/16/17

Order

Х1 VVK Х2 – Х3 – Х4 – Х5 where

 

VVKg

m

N

20

M20х1.5

Х1

Х2

Х3

Х4

Х5

Here:

 Х1 – entering cable type: non-armoured (default, no marking);

VVK – product designation: "VVKg" – explosion-proof cable glands for heating cables;

Х2 – type of cable gland sealing ring (m – one special elastic ring suitable for the entire cable diameter range)

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);