767 Series Stopper Plugs

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Stopper Plug Type 767 with Flameproof Ex d I, Ex IIC & Increased Safety Ex e I, Ex e II forms of protection.


The CMP Type 767 range of Stopper Plugs is designed to provide a permanent or temporary means of blanking unused cable entry holes in Flameproof and Increased Safety enclosures, enabling the equipment to be safely deployed in the hazardous area. The 767 range of Stopper Plugs is produces with a Dome Head as standard, and is equipped with an Allen Key recess making it impossible to remove with a standard spanner or wrench.

A General Purpose Industrial Version is also available.

The CMP Type 767 Stopper Plug design allows for the addition of an entry thread sealing washer, which is available as an optional extra. Alternatively, this is also available with an optional Integral Entry Thread "O" Ring seal.

CMP Type 767 Stopper Plugs are available in Brass, Aluminium, Stainless Steel or Nylon (Ex e), can be supplied for both Industrial and Hazardous Area applications, can be supplied in a variety of thread forms and sizes. Please refer to Table “D” on the Ordering Definitions page detailed.

767 Series Stopper Plugs Table

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Ordering Reference Thread Size Minimum Thread Length Head Diameter "A" Protrusion Length "B" Allen Key Size A/F
767DM1 M16 X 1.5 15.0 22.0 5.5 M8
767DM2 M20 X 1.5 15.0 27.0 5.5 M10
767DM3 M25 X 1.5 15.0 30.0 5.5 M10
767DM4 M32 X 1.5 15.0 36.0 5.5 M10
767DM5 M40 X 1.5 15.0 46.0 5.5 M10
767DM6 M50 X 1.5 15.0 55.0 5.5 M10
767DM7 M63 X 1.5 15.0 65.0 5.5 M14
767DM8 M75 X 1.5 15.0 80.0 5.5 M14
767DM9 M90 X 2.0 15.0 95.0 5.5 M14
767DM10 M100 x 2.0 15.0 108.0 5.5 M14
Dimensions are displayed in millimetres unless otherwise stated

Note: Marked with Group I and II ATEX, IECEx and cCSAus certification details as standard. Other Thread Variations are available on request. Please refer to ordering guide tables in Ordering Definitions.

Ordering Reference Thread Size Minimum Thread Length Head Diameter "A" Protrusion Length "B" Allen Key Size A/F
767DM1 M16 X 0.059 0.591 0.866 0.217 M8
767DM2 M20 X 0.059 0.591 1.063 0.217 M10
767DM3 M25 X 0.059 0.591 1.181 0.217 M10
767DM4 M32 X 0.059 0.591 1.417 0.217 M10
767DM5 M40 X 0.059 0.591 1.811 0.217 M10
767DM6 M50 X 0.059 0.591 2.165 0.217 M10
767DM7 M63 X 0.059 0.591 2.559 0.217 M14
767DM8 M75 X 0.059 0.591 3.150 0.217 M14
767DM9 M90 X 0.079 0.591 3.740 0.217 M14
767DM10 M100 x 0.079 0.591 4.252 0.217 M14
Dimensions are displayed in inches unless otherwise stated

Note: Marked with Group I and II ATEX, IECEx and cCSAus certification details as standard. Other Thread Variations are available on request. Please refer to ordering guide tables in Ordering Definitions.

TECHNICAL DATA
Please click a logo to display it's certification information
cCSAus Approval Certificate No. 1055233
cCSAus Code of Protection Category Ex de II; Class I, Groups A, B, C and D; Class I, Zone 1, AEx de II; IP66, 67, and 68, Enclosure Type 4X.
cCSAus Compliance Standards C22.2 No. 0.5-M1982, C22.2 No. 30-M1986, C22.2 No. 94-M1991,CAN/CSA E60079-0:07, CAN/CSA E60079-1:07,CAN/CSA E60079-7:02, UL Standard 50, Eleventh Edition, UL Standard 1203, Fourth Edition, UL 60079-0, Fourth Edition, UL 60079-1, Fifth Edition, UL 60079-7, First Edition
GOST R Certificate Number POCC GB.HO06.B00207
GOST R Code of Protection Category Ex d IIC / Ex e II / DIP A21
GOST R Compliance Standards ГOCT P 52350.0-2005, ГOCT P 52350.1-2005,
ГOCT P 52350.7-2005, ГOCT MЭK 61241-1-1-99
GOST GGTN Permit PPC 00-40706
GOST K Certificate Number KZ 75000361 01 01 14761
RoK Permit For Use Number 19-02-UL-1957
Lloyds Approval No. 01/00173
ABS Approval No. 01-LD234401C/1-PDA
INMETRO Approval Certificate Number. TUV 12.1333 X
INMETRO Code of Protection Category BR-Ex d IIC / BR-Ex e II
INMETRO Compliance Standards ABNT NBR IEC 60079-0:2006, IEC 60079-1:2007 e IEC 60079-2007:2001
NEPSI Certificate Number GYJ091017X
NEPSI Code of Protection Category Ex d IIC / Ex e II
NEPSI Compliance Standards GB3836.1-2000, GB3836.2-2003, GB3836.3-2000
RETIE Approval Number 03866
Type 767
Design Specification BS 6121:Part 1:1989, EN 50262:1999
ATEX Certification Detail SIRA01ATEX1284U, SIRA02ATEX1003X
ATEX Code of Protection Category ATEX ATEX Approved II 2GD Ex d IIC & Ex e II ATEX Approved I M2 Ex d I & Ex e I
ATEX Compliance Standards EN 60079-0, 1, 7, EN 61241-0,1
IEC Ex Certification Detail IEC Ex SIRA07.0056X
IEC Ex Code of Protection Category Ex d I / Ex e I / Ex d IIC / Ex e II / Ex tD A21 IP6X
IEC Ex Compliance Standards IEC 60079-0, 1,8, IEC 61231-0,1
Continuous Operating Temperature -60°C to +200°C (Metallic), -20°C to +60°C (Nylon)
Ingress Protection Rating IP66 or IP68 when fitted with a CMP “O” Ring or Entry Thread Seal
Material Brass, Electroless Nickel Plated Brass, Aluminium, Stainless Steel, Nylon
Accessories Locknut, Serrated Washer, Earth Tag, Entry Thread Seal

Note: How to order - e.g. 767DM24 = Dual Certified Ex d & Ex e - M20 - Stainless Steel

For Integral Entry Thread "O" Ring Seal option please use the letter "R" after the form of protection in the Ordering Reference list below.

Additional information

CMP WP 767_0311