Document of Conformity

SCHEDULE

EU-TYPE EXAMINATION CERTIFICATE Sira 05ATEX1288X

Issue 5

This certificate and its schedules may only be

reproduced in its entirety and without change

CSA Group Netherlands B.V.

Utrechseweg 310,

6812 AR, Arnhem Netherlands

DQD 544.11 Rev 2018-04-20 Page 2 of 9

13 DESCRIPTION OF EQUIPMENT

The KUB, KB, KBOS and KSB Barrier Cable Glands and Stopper Boxes are metallic and are intended for

use with differing cables or conductors dependant on their type. They allow the entry of the cable or

conductors into flameproof enclosures without compromising the explosion protection provided by the

enclosure, in accordance with relevant codes of practice. All types comprise of various entry thread

sizes, which are dependent upon gland size and their cable sealing ability range.

The KUB, KB, KBOS and KSB Barrier Cable Glands and Stopper Boxes, when installed with the silicone

‘O’ ring provided by the manufacturer, have an ingress protection rating of IP66 and IP68 (tested at a

depth of 100 m for 7 days).

Design Options

Entry component and KSB conduit nut internal thread forms:

ISO Metric to BS3643:1981 6g fit (male) 6H (female)

NPT to ANSI/ASME B1.20.1:1983, gauging to clause 8

NPSM to ANSI/ASME B1.20.1:1983, gauging to clause 9

BSPT to BS 21:1985 (ISO 7/1) standard threads only clause 5.4, gauging to clause 5A, system A

BSPP to BS 2779:1986 (ISO 228/1) class A full form external threads

PG to DIN 40430:1971

ET to BS 31:1940 (1979) Table A

All entry and conduit threads are within the dimensional parameters of the gland body and comply with

clause 5.3 of EN 60079-1:2014 and Clause C.2.2..

Alternative metallic materials of manufacture (the asterisk in the type number is replaced with a

letter designation for one of the above material types):

Brass to BS 2874:1986 grades CZ121 (3Pb), or CZ121 (4Pb) or CZ122

Stainless Steel to BS 970:Part 1:1991 grades 316S11, 316S31, 303 or 304

Additionally, all metallic materials may be surface coated to limit electrolytic reaction between dissimilar

materials, providing the coating does not alter the dimensions of the component part.

The KBOS Range of Barrier Cable Glands are suitable for use with circular, unarmoured cables; they

comprise:

 a threaded entry body to tighten into an associated enclosure; this is fitted with a silicone O-ring and

internally coated with a release agent

 a ferrule, fitted with an external nitrile O-ring, which fits into the entry body to make a part chamber

into which a two-part epoxy putty setting compound is applied to provide an inner seal around the

conductors

 a union nut that couples the entry body and ferrule together

 a seal housing, enclosing a white silicone, elastomeric, cable outer sheath seal and a plastic skid

washer, that is screwed and secured into the ferrule with Loctite 2701 adhesive

 a back nut that screws into the seal housing to compress the outer sheath seal