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781E
781D
Breather / Drain Plug, Globally Approved, Explosive Atmosphere Cable / Conduit Accessory
• 781E for Ex e use
• 781D for Ex d use
• Drains equipment susceptible to moisture collection
• Enables equipment to breathe
• General purpose / industrial version available
• Nylon Ex e only version available (-20˚C to +60˚C)
• -60˚C to 130˚C (metallic versions)
• Globally marked, IECEx, ATEX & cCSAus
HOW TO ORDER
e.g. 781 – D – M – 3 = Ex d – M25 e.g. 781 – E – M – 3 = Ex e – M25 Other Thread Variations are available on request. For further information on ordering please refer to page 150. The CMP 781E range of Increased Safety type ‘e’ breather / drain plugs have been tested together with CMP serrated washers to ensure that in areas that are subject to vibration the plug does not suffer from self-loosening and in advertently fall out of the enclosure. Serrated washers are not included as standard but can be ordered separately
| BS 6121:Part 1:1989, IEC 62444, EN 62444 | |
| IK10 to IEC 62262 (20 joules) Brass & Stainless Steel Only | |
| SIRA 10 ATEX 1307U |
|
| 781D: II 2G Ex d IIC Gb, II 1D Ex ta IIIC Da 781E: II 2G Ex e IIC Gb, II 1D Ex ta IIIC Da |
|
| EN 60079-0,1,7,31 | |
| IECEx CML 18.0187U | |
| 781D: Ex d IIC Gb, Ex ta IIIC Da 781E: Ex e IIC Gb, Ex ta IIIC Da |
|
| IEC 60079-0,1,7,31 | |
| 1055233 | |
| 781D: Ex d IIC, Class I, Zone 1 AEx d IIC; Class I Div 1, Groups A,B,C,D IP66, Enclosure Type 4X 781E: Ex e II, Class I, Zone 1, AEx e II IP66, Enclosure Type 4X |
|
| CSA C22.2 No 0-10, 0.5, 30, 94; e 60079-0,1,7, E61241-1-1, UL50, 1203, UL60079-0,1,7 | |
| E253914 | |
| 781D: Class I, Zone 1 AEx d IIB; Zone 20 AEx ta IIIC 781E: Class I, Zone 1, AEx e IIC; |
|
| TC RU C-GB.AA87.B.00487 | |
| P444949 | |
| TÜV 12.133OU | |
| GYJ13.1139X (781D), GYJ13.1138X (781E) | |
| 03866 | |
| LRS: 01/00173 | |
| 781D: -60°C to +130°C 781E: -60°C to +130°C (-20°C to +60°C Nylon) |
|
| 781D: IP66 (when fitted with CMP sealing accessories) 781E: IP66 |
|
| Brass, Nickel Plated Brass, Aluminium, Stainless Steel, Nylon (781E only) | |
| Integral Entry Thread equipment interface ‘O’ ring seal, Castellated Locknut |
The 781D can be used with enclosures up to 30 litres for group IIB gases and enclosures up to 2.5 litres for group IIC gases
** When CMP installation accessories are used (781E). Refer to Maintaining a Seal for further information.
| 订货编号 (781D) | 订货编号 (781E) | 螺纹尺寸 | 最小螺纹长度 | 名义安装长度F | 对边直径 | 对角直径 | 最大安装力矩(Nm) |
| 781DM2 | 781EM2 | M20 x 1.5 | 0.59 | 0.50 | 1.18 | 1.30 | 7 |
| 781DM3 | 781EM3 | M25 x 1.5 | 0.59 | 0.50 | 1.42 | 1.56 | 10 |
| 781DT1 | 781ET1 | ½ NPT | 0.78 | 0.50 | 1.18 | 1.30 | 7 |
| 781DT2 | 781ET2 | ¾ NPT | 0.80 | 0.50 | 1.42 | 1.56 | 10 |
| 显示的所有尺寸都按英寸计，除非另有规定。 | |||||||
| 订货编号 (781D) | 订货编号 (781E) | 螺纹尺寸 | 最小螺纹长度 | 名义安装长度F | 对边直径 | 对角直径 | 最大安装力矩(Nm) |
| 781DM2 | 781EM2 | M20 x 1.5 | 15.0 | 12.7 | 30.0 | 33.0 | 7 |
| 781DM3 | 781EM3 | M25 x 1.5 | 15.0 | 12.7 | 36.0 | 39.6 | 10 |
| 781DT1 | 781ET1 | ½ NPT | 19.9 | 12.7 | 30.0 | 33.0 | 7 |
| 781DT2 | 781ET2 | ¾ NPT | 20.2 | 12.7 | 36.0 | 39.6 | 10 |
| 如无特殊备注，所有尺寸单位均为毫米 | |||||||
