Explosion-proof distribution and pull-through boxes of the SKV series

Explosion-proof distribution and pull-through boxes of the SKV series - image 3

Explosion-proof distribution and pull-through boxes of the SKV series - image 4

Product Description

SKV are explosion-proof boxes with 1–4 entry ports, designed for pulling and branching cables and wires in conduit wiring systems in hazardous areas. The housing is made of corrosion-resistant aluminum alloy with alloying modifiers, allowing the boxes to be used in aggressive environments, including marine environments.

Advantages

Can be mounted on both walls and ceilings, which is especially important when installing in confined spaces or complex load-bearing structures
Certified equipment ensuring safety and uninterrupted operation.
The aluminum housing shell combines exceptional mechanical strength, corrosion resistance and efficient heat dissipation

Frequently bought together

SKVE Junction Boxes

TEG1 Pull Fittings

NVN Explosion-Proof Nipples

NVV Thread Adapters

TUG Elbow Fittings

Compliance with standards

GOST 14254-96 (IEC 529-89)

GOST R IEC 60079-0-2011

GOST 30852.0-2002 (IEC 60079-0:1998)

GOST 30852.1-2002 (IEC 60079-1:1998)

GOST R IEC 60079-31-2010

GOST 30852.8-2002 (IEC 60079-0:1998)

GOST 22782.3-77

GOST 30852.10-2002 (IEC 60079-11:1999)

GOST IEC 61241-1-1-2011

GOST 24754-2013

TR CU 012/2011

TR CU 004/2011

Chapter 7.3 of the Electrical Installation Code

Chapter 7.4 of the Electrical Installation Code

RD 5.2-093-2004

GOST 30852.20-2002

Certificates

EAEU RU C-RU.NA67.B.00778/25

EAEU RU C-RU.AA87.B.01061/22

EAEU N RU D-RU.RA02.V.05658/26

EAEU RU S-RU.ML02.V.00308/21

ROSS RU C-RU.MY62.V.00094/23

Maritime Register STO No. 23.44.01.09129.120

RU.OC BCCT 0230-10.2026

TU 27.33.13-033-72453807-2017

TU 27.12.40-032-72453807-2017

GOST R ISO 9001-2015

Markings

Explosion protection marking

1Ex db IIC T6...T4 Gb

1Ex db eb IIC T6...T4 Gb

1Ex ia IIC T6...T4 Gb

1Ex db ib IIC T6...T4 Gb

Ex tb IIIC T85°C...T135°C Db

Housing (EX component):

Ex db IIC Gb U

Ex ia IIC Gb U

Ex e IIC Gb U

Ex ia IIIС Da U

Ex tb IIIС Db U

Marking of mining equipment

RN1/RN2

Degree of protection

IP66/IP67/IP68
IK10

Installation

Category II for gas subgroups IIA, IIB, IIC, zones 1, 2;
Category III for dust, explosive dust atmospheres containing volatile particles, non-conductive and conductive dust;
Underground workings that are not hazardous for gas (methane) and coal dust;
Non-hazardous zone of surface structures and open areas

Technical data

Ambient temperature, °C

-60...+40 (T6/T85°C)
-60...+60 (T5/T100°C)
-60...+85 (T4/T135°C)
-60…+85 (for PH2 version)
-60...+150 (for Ex-components)

Maximum voltage, V

750

Maximum current, A

175

Thread

Metric GOST 24705-2004 (other threads upon agreement)

Coating

Antistatic polymer-epoxy coating, friction-proof, spark-proof, resistant to working environments and ionizing radiation. Color RAL 7035

Material

Aluminum alloy with alloying modifiers

Climatic category

NF1 (as required NF2, NF3, NF4, NF5, HL1, HL2, HL3, HL5, T1, T2, T3, T5, MU1, MU2, MU3, MU4, W2.1 , W5 )

Explosion-proof distribution and junction boxes SKV

Type	Number of inlet holes, pcs./Diameter F, mm	Drawing	Lid diameter, mm	H	A1	A2	B	C	X	Weight, kg
SKV-O90M1	1 x M20x1.5		90	75,5	114	122	-			0,6
SKV-O90M2	1 x M25x1.5									0,6
SKV-O90M3	1 x M32x1.5									0,6
SKV-O144M1	1 x M20x1.5		144	115	175	-	-			2,5
SKV-O144M2	1 x M25x1.5									2,4
SKV-O144M3	1 x M32x1.5									2,3
SKV-O144M4	1 x M40x1.5									2,2
SKV-O144M5	1 x M50x1.5									2,1
SKV-O144M6	1 x M63x1.5									2
SKV-P90M1	2 x M20x1.5		90	75,5	106	122	-			0,5
SKV-P90M2	2 x M25x1.5									0,5
SKV-P90M3	2 x M32x1.5									0,5
SKV-P144M1	2 x M20x1.5		144	119	175	-	-			2,4
SKV-P144M2	2 x M25x1.5									2,3
SKV-P144M3	2 x M32x1.5									2,2
SKV-P144M4	2 x M40x1.5									2,1
SKV-P144M5	2 x M50x1.5									2
SKV-P144M6	2 x M63x1.5									1,9
SKV-U90M1	2 x M20x1.5		90	75,5	114	114	-			0,5
SKV-U90M2	2 x M25x1.5									0,5
SKV-U90M3	2 x M32x1.5									0,5
SKV-U144M1	2 x M20x1.5		144	115	175	-	-			2,4
SKV-U144M2	2 x M25x1.5									2,3
SKV-U144M3	2 x M32x1.5									2,2
SKV-U144M4	2 x M40x1.5									2,1
SKV-U144M5	2 x M50x1.5									2
SKV-U144M6	2 x M63x1.5									1,9
SKV-T90M1	3 x M20x1.5		90	75,5	106	114	-			0,5
SKV-T90M2	3 x M25x1.5									0,5
SKV-T90M3	3 x M32x1.5									0,5
SKV-T144M1	3 x M20x1.5		144	115	175	-	-			2,3
SKV-T144M2	3 x M25x1.5									2,2
SKV-T144M3	3 x M32x1.5									2,1
SKV-T144M4	3 x M40x1.5									2
SKV-T144M5	3 x M50x1.5									1,9
SKV-T144M6	3 x M63x1.5									1,8
SKV-K90M1	4 x M20x1.5		90	75,5	106	-	-			0,6
SKV-K90M2	4 x M25x1.5									0,6
SKV-K90M3	4 x M32x1.5									0,5
SKV-K144M1	4 x M20x1.5		144	115	175	-	-			2,3
SKV-K144M2	4 x M25x1.5									2,2
SKV-K144M3	4 x M32x1.5									2,1
SKV-K144M4	4 x M40x1.5									2
SKV-K144M5	4 x M50x1.5									1,9
SKV-K144M6	4 x M63x1.5									1,7
SKV-OS90M1	1 x M20x1.5		90	75,5	114	122	130	-	109	0,6
SKV-OS90M2	1 x M25x1.5									0,6
SKV-OS90M3	1 x M32x1.5									0,6
SKV-OC144M1	1 x M20x1.5		144	119	175	-	190	-	170	2,7
SKV-OC144M2	1 x M25x1.5									2,6
SKV-OC144M3	1 x M32x1.5									2,5
SKV-OC144M4	1 x M40x1.5									2,4
SKV-OC144M5	1 x M50x1.5									2,3
SKV-OC144M6	1 x M63x1.5									2,2
SKV-PS90M1	2 x M20x1.5		90	75,5	106	122	130	-	109	0,6
SKV-PS90M2	2 x M25x1.5									0,6
SKV-PS90M3	2 x M32x1.5									0,6
SKV-PS144M1	2 x M20x1.5		144	119	175	-	190	-	170	2,6
SKV-PS144M2	2 x M25x1.5									2,5
SKV-PS144M3	2 x M32x1.5									2,4
SKV-PS144M4	2 x M40x1.5									2,3
SKV-PS144M5	2 x M50x1.5									2,2
SKV-PS144M6	2 x M63x1.5									2,2
SKV-US90M1	2 x M20x1.5		90	75,5	114	114	130	-	109	0,6
SKV-US90M2	2 x M25x1.5									0,6
SKV-US90M3	2 x M32x1.5									0,6
SKV-US144M1	2 x M20x1.5		144	119	175	-	190	-	170	2,6
SKV-US144M2	2 x M25x1.5									2,5
SKV-US144M3	2 x M32x1.5									2,4
SKV-US144M4	2 x M40x1.5									2,3
SKV-US144M5	2 x M50x1.5									2,2
SKV-US144M6	2 x M63x1.5									2,1
SKV-TS90M1	3 x M20x1.5		90	75,5	106	114	130	-	109	0,6
SKV-TS90M2	3 x M25x1.5									0,6
SKV-TS90M3	3 x M32x1.5									0,6
SKV-TC144M1	3 x M20x1.5		144	119	175	-	190	-	170	2,5
SKV-TC144M2	3 x M25x1.5									2,4
SKV-TC144M3	3 x M32x1.5									2,3
SKV-TC144M4	3 x M40x1.5									2,2
SKV-TC144M5	3 x M50x1.5									2,1
SKV-TC144M6	3 x M63x1.5									2
SKV-KS90M1	4 x M20x1.5		90	75,5	106	106	130	-	109	0,7
SKV-KS90M2	4 x M25x1.5									0,7
SKV-KS90M3	4 x M32x1.5									0,6
SKV-KS144M1	4 x M20x1.5		144	119	175	-	190	-	170	2,5
SKV-KS144M2	4 x M25x1.5									2,4
SKV-KS144M3	4 x M32x1.5									2,3
SKV-KS144M4	4 x M40x1.5									2,2
SKV-KS144M5	4 x M50x1.5									2,1
SKV-KS144M6	4 x M63x1.5									1,9
SKV-TSG90M1	3 x M20x1.5		90	75,5	106	-	125	121	111	0,7
SKV-TSG90M2	3 x M25x1.5									0,7
SKV-TSG90M3	3 x M32x1.5									0,6
SKV-TSG144M1	3 x M20x1.5		144	120	175	-	160	186	130	3,4
SKV-TSG144M2	3 x M25x1.5									3,3
SKV-TSG144M3	3 x M32x1.5									3,2
SKV-TSG144M4	3 x M40x1.5									3,1
SKV-TSG144M5	3 x M50x1.5									3
SKV-TSG144M6	3 x M63x1.5									2,9

Options

Options, accessories and versions

Marking

Painting the outer surface in the color according to the customer's requirements

/RAL (code)

Anti-condensation coating

/AP

Non-explosion-proof design

/PROM

Mining normal design

/RN

Stainless steel lid chain

/CHAIN

3D models

STP models

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**Main characteristics of the installed terminal cluminaires**
TERMINAL TYPE	NOMINAL CROSS-SECTION, MM²	RATED CURRENT, A	MAXIMUM VOLTAGE, V	OVERALL DIMENSIONS, MM
TERMINAL TYPE	NOMINAL CROSS-SECTION, MM²	RATED CURRENT, A	MAXIMUM VOLTAGE, V	A	IN	WITH
WDU2.5	2,5	24	800	5	60	47
WDU4	6	32	800	6	60	47
WDU6	10	41	800	8	60	47
WDU10	16	57	800	10	60	47
WDU16	25	76	10000	12	60	63
WDU35	50	125	10000	16	60	63

**The maximum permissible number of installed small-sized terminals AKZ**
Nominal cross-section of wire, mm²	Number of terminals
Nominal cross-section of wire, mm²	1,5	2,5	4
SKV-K90	6	5	5
SKV-K144	15	14	12

**Maximum allowed number of installed WDU terminals**
Nominal cross-section of wire, mm²	Number of terminals
Nominal cross-section of wire, mm²	2,5	4	6	10	16	35
SKV-K144	14	12	9	7	5	-

*This number of terminal blocks is indicated without taking into account the installation of cable glands

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Model Breakdown

SKV - 1X 2X 3X / 4X – TU 27.33.13-033-72453807-2017

1X - Hole Location

2X - Size code

3X - Thread code and size

4X - Options, accessories and versions

Please note:

To determine the thread equivalent, see the table of thread types produced by ZAVOD GORELTEX CO. LTD.
To order distribution boxes with terminal blocks, you must specify in the order form the quantity and type of terminal blocks, as well as the quantity, type and side of the cable glands.
The default thread in the box holes is metric GOST 24705-2004.
To find out the maximum number of terminal blocks of different cross-sections that can be installed in boxes, see the table "Maximum number of installed terminal cluminaires"
For the type and order code of the terminal cluminaires, see the table "Main characteristics of the installed terminal cluminaires"