SB 474 Cable Gland

Application

Outdoor or indoor use.
For particular use with:-
a) Cables that are not effectively filled, compact and/or circular, have tape bedding or have hygroscopic fillers.
b) Cables that exhibit ‘cold flow’ characteristics.
c) Enclosures for gas group IIC, under 2 litres in volume and containing an ignition source.
d) Enclosures for gas groups IIA or IIB, which are greater than 2 litres in volume and contain an ignition source.

Features

Provides a barrier seal between the individual insulated cores within the cable and prevents entry of the products of an explosion into the cable.
The required number of holes for the cores are punched in the seal by means of a special tool to suit the core size.
Provides female running coupler for cable gland or conduit entry.

Materials & Finishes

The SB 474 cable gland is manufactured in Brass (standard), Nickel PlatedBrass, 316 Stainless Steel or Aluminium.
Brass NPT entries are nickel plated as standard.

Technical Data

Flameproof Exd and Increased Safety Exe II 2 GD ExtD A21.
Baseefa Certificate No. Baseefa06ATEX0056X.
IECEx Certificate No. IECEx BAS 06.0013X.
Suitable for use in Zone 1, Zone 2, Zone 21 and Zone 22.
Suitable for use in Gas Groups IIA, IIB and IIC.
Construction and Test Standards: IEC/EN 60079-0, IEC/EN 60079-1, IEC/EN 60079-7, IEC/EN 61241-0 and IEC/EN 61241-1.
Ingress Protection: IP66, IP67 and IP 68 (30 metres for 7 days) to IEC/EN 60529 and NEMA 4X.
Deluge protection to DTS01.
Operating Temperature Range: -60°C to +80°C.
Alternative certification options available:
GOST R-Exe IIU.
Exd IIC/Exe II.
GOST K - Approved for use in Kazakhstan.

SB 474 Cable Gland

CABLE GLAND SELECTION TABLE
Size Ref.	Male Entry Thread Size			Female Entry Thread Size		‘G’ Compressed Length	Hexagon Dimensions
	Metric	NPT *		Metric	NPT #		Across Flats	Across Corners
		Standard	Option
A	M20	¾"	½"	M20	-	63.9	30.0	32.5
B	M25	1"	¾"	M25	-	52.8	30.0	39.5
C	M32	1¼"	1"	M32	-	69.5	46.0	50.5
All dimensions in millimetres (except * where dimensions are in inches). Metric entry threads are 1.5mm pitch as standard. # NPT female thread sizes equivalent to those shown in the table for the male thread size are available. Hexagon dimensions as shown may alter.

CABLE GLAND SIZE FOR CORE SIZE & NUMBER
Maximum No. Of Cores	Cores Cross Sectional Area mm²
	1.5	2.5	4.0	6.0	10.0
7	A & B	A & B	B & C	C	C
4	-	-	-	B	-
3	-	-	-	-	B

PUNCH TOOL SIZE DETAILS
Punch Ref.	No.1	No.2	No.3
Core C.S.A. mm2	1.5 - 2.5	4.0 - 6.0	10.0

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