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SVVKGm Explosion-Proof Cable Glands for Heating Cables in Flexible Metallic Conduit

SVVKGm explosion-proof cable glands are intended for the entry of non-armoured heating cables in flexible metallic conduit 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.

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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

Code

Thread Type M

Thread Type G, K (Optional)

Cable Ø, mm

Flexible Metallic Conduit Diameter

Type of Flexible Metallic Conduit*

Across Flats Sw

Total Length TL

Thread Length L, mm for M / G / NPT Types

SVVKgm-20m (MR15) ShG

M20

1/2”

9х5-12х8

5,9/9

RZ TsKh 15 MRPI 15, GERDA-MG-15, GERDA-MG-16

27

59

15 / 16 /17

SVVKgm-20 (MR15) ShG

7,8/12,5

SVVKgm-20 (MR18) ShG

9,1/15

RZ TsKh 18 MRPI 18

SVVKgm-20 (MR20) ShG

10,9/18

RZ TsKh 20 MRPI 20, RZ TsKh 22 MRPI 22, GERDA-MG-22, GERDA-MG-22

*Cable glands for other cable and armour diameters, as well as with alternative thread types, are available on request.

Х1 VVK Х2 – Х3 – Х4 – Х5 where

С

VVKg

m

N

20

M20х1.5

Х1

Х2

Х3

Х4

Х5

Here:

 X1 – entering cable type (conduit connection (C);

VVK – product designation: "VVK" – explosion-proof cable glands;

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);

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