EX STOPPING PLUG (DOME HEAD TYPE)

Description

Ex Stopping Plug is designed to provide a permanent or temporary means of blanking unused cable entry holes in Flameproof, Increased Safety & Dust Ignition Protection Enclosures, enabling the equipment to be safely deployed in the hazardous area. These plugs are produced with a Dome Head as standard, and is equipped with an Alley Key recess making it impossible to remove without a standard spanner or wrench.

Technical Data
Type Ex Stopping Plug Dome Head
Design Specification BS 6121: Part 1:1989, IEC 62444 : 2010 & EN 62444 : 2013
Enclosure Protection IK10 to IEC 62262 (20 Joule) Brass & Stainless Steel Only
Standard Size M16 to M100 (1/2″ NPT to 4″ NPT)
Optional Size Other sizes avilable on request
Operating Temperature -55°C to + 175°C*** / -40°C to + 100°C**
Ingress Protection Rating IP 66 / IP 68** when fitted with ‘O’ Ring or Entry Thread sealing Washer
Standard Material Brass (BS EN 12164 / Grade CuZn39Pb3)
Optional Material Brass Nickel Plated, Stainless Steel (SS316 & SS316L).
Standard Thread ISO Metric / NPT
Global Certification
Compliance Standards EN/IEC 60079-0, 1, 7, 31
ATEX Certificate DNV 22ATEX16409X
Code of Protection  | M2  || 2G 1D  2460, IP 66 / IP 68
IECEX Certificate IECEx DNV 22.0004X
Code of Protection (Metric) Ex db | Mb Ex eb | Mb, Ex db || C Gb Ex eb || C Gb, Ex ta ||| C Da (NPT) Ex eb | Mb, Ex eb || C Gb, Ex ta ||| C Da
EAC Certificate Applied for Certificate
DNV GL Certificate Applied for Certificate
ABS Certificate Applied for Certificate
PESO Certificate A/P/HQ/GJ/104/6054 (P568143)
***When fitted with Silicon O Ring / ****When fitted with Nylon Washer **IP 68 : Tested at 30m depth for 7 days (Alternate depth & duration can be provided upon request)

Ex Stopping Plug (Dome Head Type) Selection Table

METRIC NPT
Thread Size Head Length Head Diameter Allen Key Size Thread Size* Head Length Head Diameter Allen Key Size
L A A/F L A A/F
M16 X 1.5 4.00 24.00 8.00 1/2″ 4.00 28.00 10.00
M20 X 1.5 4.00 28.00 10.00 3/4″ 4.00 34.00 10.00
M25 X 1.5 4.00 34.00 10.00 1″ 4.00 44.00 10.00
M32 X 1.5 4.00 44.00 10.00 1-1/4″ 5.00 52.00 10.00
M40 X 1.5 5.00 52.00 10.00 1-1/2″ 6.00 62.00 10.00
M50 X 1.5 6.00 62.00 10.00 2″ 7.00 75.00 10.00
M63 X 1.5 7.00 75.00 10.00 2-1/2″ 8.00 88.00 10.00
M75 X 1.5 8.00 88.00 10.00 3″ 8.00 105.00 12.00
M80 X 2.0 8.00 95.00 12.00 3-1/2″ 8.00 115.00 12.00
M85 X 2.0 8.00 100.00 12.00 4″ 8.00 130.00 12.00
M90 X 2.0 8.00 105.00 12.00
M100 X 2.0 8.00 125.00 12.00