• 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 A guide on how to order Breather Plug & Drain Plugs from CMP:
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 how to order. The CMP 781E range of Increased Safety type ‘e’ breather plug / drain plugs have been tested together with CMP serrated washers to ensure that in areas that are subject to vibration, the breather plug / drain plugs do 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.
If you require further information, please contact EPIN AUTOMATION
CERTIFICATES
PRODUCT SELECTION TABLE
CMP防爆格蘭代理商: 上海頤品自動化科技有限公司
Ordering Reference
(781D)
Ordering Reference
(781E)
Thread Size
Minimum Thread Length
Protrusion Length 'F'
Across Flats Dimension
Across Corners Dimensions
Max Installation Torque (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
Dimensions displayed in millimeters unless otherwise stated
CMP防爆呼吸閥（CMP 781 Breather / Drain Plug）
Hazardous Area Cable Glands-ATEX IECEX，Exe，Exd Group II
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