757 Series Stopper Plugs

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Stopper Plug Type 757 with Flameproof Ex d IIC & Increased Safety Ex e II forms of protection.

The CMP Type 757 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 757 range of Stopper Plugs is produced with a Hexagon Head, making it possible to install or remove with either an open ended or ring type spanner or wrench.

A General Purpose Industrial version is also available.

The CMP Type 757 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 757 Stopper Plugs are available in Brass, Aluminium, Stainless Steel or Nylon (Ex e), and can be supplied for both Industrial and Hazardous Area applications, in a variety of thread forms and sizes. Please refer to Table “D” on the Ordering Definitions page.

757 Series Stopper Plugs Table

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Ordering Reference Thread Size Minimum Thread Length Across Flats "A" Across Corners "B" Protrusion Length "C"
757DM1 M16 X 1.5 15.0 22.0 23.5 9.0
757DM2 M20 X 1.5 15.0 24.0 25.9 9.0
757DM3 M25 X 1.5 15.0 30.0 32.4 9.0
757DM4 M32 X 1.5 15.0 36.0 38.9 9.0
757DM5 M40 X 1.5 15.0 46.0 49.4 9.0
757DM6 M50 X 1.5 15.0 55.0 59.1 9.0
757DM7 M63 X 1.5 15.0 65.0 69.9 9.0
757DM8 M75 X 1.5 15.0 80.0 86.1 9.0
757DM9 M90 X 2.0 15.0 95.0 102.3 9.0
757DM10 M100 x 2.0 15.0 108.0 116.3 9.0
Dimensions are displayed in millimetres unless otherwise stated

Note: Marked with 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 Across Flats "A" Across Corners "B" Protrusion Length "C"
757DM1 M16 X 0.059 0.394 0.867 0.926 0.354
757DM2 M20 X 0.059 0.394 0.945 0.941 0.354
757DM3 M25 X 0.059 0.394 1.181 1.276 0.354
757DM4 M32 X 0.059 0.394 1.417 1.531 0.354
757DM5 M40 X 0.059 0.394 1.811 1.946 0.354
757DM6 M50 X 0.059 0.394 2.165 2.329 0.354
757DM7 M63 X 0.059 0.394 2.561 2.754 0.354
757DM8 M75 X 0.059 0.394 3.150 3.392 0.354
757DM9 M90 X 0.079 0.394 3.740 4.031 0.354
757DM10 M100 x 0.079 0.394 4.255 4.582 0.354
Dimensions are displayed in inches unless otherwise stated

Note: Marked with 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 e II, Class I, Zone 1, AEx e 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
DNV Approval No. E-10496
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 757
ATEX Certification Detail SIRA01ATEX1284U, SIRA02ATEX1003X
ATEX Code of Protection Category ATEX Approved II 2 GD Ex d IIC & Ex e II - Component & Equipment, Zone 1, Zone 2, Zone 21, & Zone 22 - Gas Groups IIA, IIB, IIC, ATEX ATEX Approved IM2 Ex d I, Ex e I, (ATEX ATEX Approved II 2 GD Ex e II only on Nylon Version)
ATEX Compliance Standards EN 60079-0, 1,7, EN 61241-0,1
IEC Ex Certification Detail IEC Ex SIR07.0056X
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, IEC 60079-1, IEC 60079-7, IEC 61241-0, IEC 61241-1
cCSAus Certificate 1055233

Code of Protection

Ex e II, Class I, Zone 1, AEx e II; IP66, 67, and 68; Enclosure Type 4X

Compliance Standards

C22.2 No. 0.5, 30,94,CAN/CSA E60079-0,1,7, UL50 Edition 11, UL1203 Edition 4, UL 60079-0, 1, 7

UL Certificate

E214221

Code of Protection

Class I Groups A,B,C,D; Class II Groups E,F,G; Class III

Compliance Standards

UL 1203

GOST R Certificate

POCC GB.HO06.B00207

Code of Protection

Ex d IIC / Ex e II / DIP A21

Compliance Standards

ГOCT P 52350.0,1,7, ГOCT MЭK 61241-1-1-99

GGTN Permit

PPC 00-40706

GOST K Certificate

KZ 75000361 01 01 25266

RoK Permit For Use

19-02-UL-1957

NEPSI Certificate

GYJ13.1143X

Code of Protection

Ex d IIC Gb / Ex e IIC Gb

Compliance Standards

GB3836.1,2,3

INMETRO Approval

TÜV 12.1333X

Code of Protection

Ex d IIC Gb / Ex e IIC Gb

Compliance Standards

ABNT NBR IEC 60079-0:2006, IEC 60079-1:2007 e IEC 60079-2007:2001

RETIE Approval

03866

Marine Approvals

LRS: 01/00173, DNV: E-10496,

ABS: 01-LD234401C/1-PDA, RMRS:011-6.11.4-5149

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
Optional Accessories Locknut, Serrated Washer, Earth Tag, Entry Thread Seal

Note: How to order - e.g. 757EM25 = Ex e - M20 - Nickel Plated Brass

For Integral Entry Thread "O" Ring Seal option please add the letter "R" after the form of protection in the ordering reference list, e.g. 757ERM3. Other thread variations available on request, please refer to the ordering guide tables detailed in the file Ordering Definitions.

Additional information

CMP WP 757_0311